2024-03-29T12:41:56Z
https://jppp.journals.ekb.eg/?_action=export&rf=summon&issue=13200
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
APPLICATION OF SALICYLIC ACID AND SOME FUNGICIDES AS SEED TREATMENT FOR CONTROLLING DAMPING-OFF AND ROOT ROT DISEASES OF SQUASH AND CANTALOUPE PLANTS UNDER FIELD CONDITIONS.
Gehad
Mohamed
Saida
Amer
The effect of salicylic acid (SA) individually or/and in combinations with three standard fungicides named Flutolanil (Moncut WP 30%), Telcolofos-methyl/thiram (Rhizolex 50%WP) and Carboxin-Thiram (Vitavax 200 WP) was studied for the field control of damping-off and root rot diseases of cantaloupe (Cucumis melo var. cantaloupensis) and squash (Cucurbita pepo), cvs Askandarany and Mera, respectively. The experiments were carried out in the years 2012 and 2013.
In vitro studies the effect of the aforementioned fungicides and salicylic acid on growth of Rhizoctonia solani and Fusarium solani was determined. The effective concentration was found to range from 50 to 200 ppm, and the higher concentration the greater inhibitory effect. The combination of salicylic and vitavax 200 and salicylic acid and Rizolex at 200 ppm showed the highest effect on R. solani and F. solani with the averages of 84.75, 86.79, 71.25 and 87.13%, respectively.
In field trials, soaking seeds in salicylic acid, either single or in combination with the fungicides in concern, significantly decreased both damping-off and root rot of squash and cantaloupe. In addition to increasing the numbers of survived plants, the used treatments increased shoot length as well as fresh and dry weights. The results showed that mixed salicylic acid application with fungicides to seeds of squash and cantaloupe significantly decreased disease symptoms by 70.32 and 64.07% for vitavax 200 and rhizolex treatments, respectively, for squash. The corresponding figures for cantaloupe were 62.89 and 55.90%, respectively in the second season 2013. Moreover, the treatments in concern increased the activities of peroxidase and polyphenoloxidase. It is noticed, however, a negative correlation between disease incidence and activities of both peroxidase and polyphenoloxidase in either squash or cantaloupe plants. Meanwhile, the treatments in concern increased the contents of Mn and Fe but decreased Zn of both tested crops
In general, the results indicated that especially the combined SA and standard fungicides showed a better response to fight damping-off and root rot diseases than the treatment alone. Thus the present study shows that the induction of defense related enzymes may be enhance resistance in squash and cantaloupe plants.
2014
12
01
1025
1043
https://jppp.journals.ekb.eg/article_88024_244d6aa9b9964d5aaf66f639e8ef39f1.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
FEEDING CAPACITY AND HOST PREFERENCE OF Chrysoperla carnea (Stephens) (Neuroptera: chrysopidae) ON THREE DIFFERENT INSECT PREY UNDER LABORATORY CONDITIONS.
K.
Hassan
Laboratory trials of feeding potential of Chrysoperla carnea (Steph.) (No choice) were estimated at (25 ± 2 °C, 65± 5% R. H.). Data revealed that the larval stage of C. carnea (Steph.) fed on egg masses of Corcyra cephalonica (St.) Pectinophora gossypiella (Saund.) and Sitotroga cerealella (Oliv.) consuming all over its 3 larval instars an average of 493.6±50.32, 654.3±32.54and 673.9±31.52 eggs (total consumed) for the three prey species, respectively, with total larval corresponding periods 8.7 ± 0.94, 9.5 ± 0.97 and 9.6 ± 1.17 days. Statistical analysis of the obtained data obviously cleared that there were significance differences between the mean numbers of consumed C. cephalonica eggs and that of P. gossypiella and S. cerealella; on the other hand there was no significance of C. carnea total larval period when feeding upon each of the three preys. In addition, host preference (Free Choice) revealed that C. cephalonica was the most preferred host to C. carnea. The predator consumed (13.2 ± 6.01, 77.9 ± 31. 14 and 264.1 ± 68.8 eggs of C. cephalonica for the 1st, 2nd and 3rd predator larval instars, respectively). S. cerealella was the least preferred host, whereas the respective predator larval instars consumed (0.8 ± 1.75, 27.9 ± 24.56 and 63.3 ± 47.2 eggs). Also, numbers of attacked eggs by the predator was recorded. Eggs of Rice moth were the highest attacked with Green Lacewing larvae while eggs of Angoumois grain moth were the least. This result needs more experimental efforts to earn its advantage in certain predacious performance.
green lacewing
Chrysoperla carnea
insect preys
host preference
choice
PBW
Pectinophora gossypiella
Rice moth
Corcyra cephalonica
Angoumois grain moth
Sitotroga cerealella
2014
12
01
1045
1051
https://jppp.journals.ekb.eg/article_88025_2119b5bba6b6f7bd4c989fe7e5490c3d.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
ROLE OF GLYCINE IN PROTECTING PECTINOPHORA GOSSYPIELLA (SAUND.) AGAINST STRONG PROTEIN-DENATURING ACTIVITY OF PHENOLIC COMPOUNDS IN COTTON PLANTS
Dina
Ahmed
Manal
El-Sharkawy
K.
Hassan
Souad
Shairra
To test the possibility that the free glycine has a role related to the resistance of the pink bollworm larvae to phenolic compounds (PCs), newly hatched larvae were fed on artificial diets containing different concentrations of the selected two PCs (pyrocatechol and resorcinol). Data indicated that the PCs have a great efficacy against pink bollworm larvae. Mortality percentages had a positive relationship with both the concentration and the period after treatment (r= 0.72 ± 0.13). Based on the LC50 values, pyrochatechol was the most potent extract after two hours of treatment (toxicity index (Ti) = 100.0%). Two days after treatment, resorcinol became the most effective extract (Ti= 100.0%), as it had the lowest LC50 value (0.73 g/100 g diet). Seven days following treatment, the efficacy of the tested PCs follows the same trend as previously observed after 2 hours of treatment.LC50 values reached 0.70 and 1.06 g/100 g diet with Ti of 100.0 and 65.91% for pyrochatechol and resorcinol, respectively.
Also, we determined and compared the glycine content as well as free amino acids in the total body homogenate of 4th instar larvae of PBW treated as newly hatched larvae with LC50 of pyrochatechol and resorcinol and the untreated ones. Results showed that the PCs caused a reduction in the amino acid contents; the most obvious was in resorcinol (the most toxic compound). With audited look for glycine and lysine contents, it could be noted that the pyrochatechol caused an increased while resorcinol caused a lost in the glycine content by 18.56, 6.53%, respectively. The loss in the concentration of lysine by resorcinol (9.09%) was less than that induced by pyrochatechol (13.40%). So, the amount of free glycine in PBW appears to have a clear correlation with the detoxification activity of the PCs, especially for the resorcinol. Further study on this phenomenon will give us a chemical basis for understanding how plant-herbivore relationships have evolved.
Pectinophora gossypiella
PBW
lysine
Glycine
protein-denaturing
Phenolic compounds
PCs
cotton plants
2014
12
01
1053
1063
https://jppp.journals.ekb.eg/article_88026_683a32972956a3598cd7f2a1ea7bfc8f.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
NOVEL PESTECIDES FOR DESERT LOCUST Schistocerca gregaria (Forskal) CONTROL
Gehan
Mohamed.
Hala.
Ibrahim
G.
Abd-Elatef
The effect of Abamectin and D-limonene was evaluated against desert locust nymphs under laboratory and field conditions, as well as the combined effect of both insecticides with the fungus Metarhizium anisopliae var. acridum, also the stability of Abamectin and D-limonene was assessed under different enveronmental condition. The obtained results revealed that both Abamectin and D-limonene could be used to control desert locust, where the reduction in 5th nymphal instar under the laboratory condition reached to 67.5 % after three days post treatment with 40% Abamectine. Whereas under field condition the reduction among young nymphs three days post treatment were 83.33 and 66.66 % in case of 40 % Abamectin and D- limonene, respectively. Moreover the combined effect of 10% Abamectin or D- limonene with M. anisopliae var. acridum caused significant increase in the toxic effect of the fungi, reached to 58.33 and 51.66 % , respectively.
Schistocerca gregaria
Metarhizium anisopliae var. acridum
Abamectin
D-limonene
field
laboratory
nympal instar
2014
12
01
1065
1071
https://jppp.journals.ekb.eg/article_88028_8216d087c1a10627d2abbccd10a2eebf.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
FIELD AND LABORATORY EVALUATION OF SPINOSAD AND SPINETORAM AGAINST HOUSEFLY, Musca domestica L. (DIPTERA: MUSCIDAE)
T.
Abo-Elmaged
Two spinosyn compounds, spinosad 12% SC and spinetoram 12% SC were evaluated against housefly under laboratory and field conditions. In field study, the two compounds showed high reduction in fly population especially at the highest rate used (2.4 ml/m2). According to LT50 value spinosad showed relatively higher activity than spinetoram. This indicated that females were more tolerant two spinosyn products than males.
In laboratory study the toxicity of spinosad against 1st and 3rd instars was higher than spinetoram. The third instar larvae were more tolerant to the two compounds, than the first instar larvae. Against pupae, spinosad showed slightly high toxicity as compared with spinetoram.
Housefly
Musca domestica
Spinosyn products
Animal husbandry
2014
12
01
1073
1080
https://jppp.journals.ekb.eg/article_88030_d562f3b81a00605f1dd64ddaa4097c9e.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
BIOLOGICAL ASPECTS AND PREDATION EFFICACY OF CORANUS AEGYPTIUS (F.) ON THE SECOND LARVAL INSTAR, SPODOPTERA LITTORALIS (BOISD.) UNDER THE LABORATORY CONDITIONS
M.
El-Maghraby
Sh.
Ali
A.
Saleh
Laboratory experiments were carried out in plant protection research Institute, Sharkia Branch, to study, some biological aspects and predation efficacy of the predator, Coranus aegyptius (Fabricius) (Hemiptera: Reduviidae) which recorded last decades on several economic and wild plants in El-Khattara district, Sharkia Governorate, Egypt, during 2012 and 2013 years. Some biological aspects and predation of this predator was investigated using the second larval instar of the cotton leaf worm, Spodoptera littoralis (Boisd.) as restricted prey under the conditions of 30 + 1ºC and 65 + 5% R.H. Egg stage incubation period lasted 7.30 days for the male and female. The five nymphal instars were recorded. The total developmental period and adult longevity were shorter in case of male 36.86 and 21.2 days, respectively than in case female, it were 38.85 and 61.2 days, respectively. Pre, oviposition and post ovipostion periods were 4.4, 50.7 and 6.6 days, respectively. The feeding capacity of nymphal stage and adult were 219.15 and 744.3 S. littoralis, larvae respectively for female. Its were 200.0 and 236.7 larvae respectively in case of male. The total number of deposited eggs were 220.5 + 11. 69 eggs, throughout an ovipositional period of 50.7 + 3.93 days. These results showed that C. aegyptius can play an important role in biological control of cotton leaf worm S. littoralis in the field in economic crops in Egypt.
2014
12
01
1081
1087
https://jppp.journals.ekb.eg/article_88032_68356a64e1615c9a5ad1f6b10901a3db.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
ROLE OF INSECT GROWTH REGULATORS (IGRs) FOR COTTON LEAFWORM; Spodoptera Littoralis BOISD. AND CONSERVING TO SOME PREDATORS IN SUGAR BEET FIELDS
Amira
Ibrahim
The cotton leafworm, Spodoptera littoralis Boisd. is considered the most dangerous insect pest which threat the early sugar beet plantations. Because the conventional insecticides lead to much hazards to natural enemies, it has been important to find out other alternative safe technique. The current investigation was conducted at sugar beet fields in 2013 and 2014 seasons at Shenno village (Kafr El-Sheikh Governorate) for evaluating the effect of one conventional compared to insect growth regulators (anti-moulting) on larval mortality of S. littoralis and their side effects on certain predators mainly (Chrysoperla carnea Setphens and true spiders). Field tests proved that the insect growth regulators caused high reductions in larvae populations, ranging between 93.39 and 94.98% where are almost the same with conventional one (94.88%) . The insect growth regulators caused a low reduction in Chrysoperla carnea and true spiders populations (35.54 – 40.51%), while the conventional insecticide caused a high reduction in these predators by 93.39%. This investigation show that the insect growth regulators were efficient in reducing the larvae populations of S. littoralis, and in the same time caused a low reduction on predators in comparison with the conventional one.
2014
12
01
1089
1096
https://jppp.journals.ekb.eg/article_88033_2b14f49ef83ce80d79f1a2e28a2a684e.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
VARIATIONS IN THE QUALITY OF VIRGIN QUEENS OF HONEY BEE THAT PRODUCED COMMERCIALLY FROM DIFFERENT SOURCES IN EGYPT DURING TWO SEASONS.
A.
Moustafa,
M.
Abdel-Rahman
M.
Ali
Zeinab
Hamza.
For investigating the quality of virgin queens of honey bee that produced commercially in Egypt, that purchased form four large commercial queen producers located at Assiut, Elgharbya and Menoufiya through two seasons (March and August). Forty virgin queens for each were purchased. The physical characters (fresh weigh, head length and width, thorax length and width, fore wing length and width, hind wing length and width, sum tergits length (3+4) , number of ovarioles of the right ovary , volume of the spermatheca and presence of nosema disease were measured. Queen quality significantly varied among commercial sources in physical characters and presence of Nosema disease. There were significant differences in the two months of queen’s rearing. It was indicated that the most suitable season for rearing queens in Egypt were late summer. The present study provides a valuable snapshot of the current status of virgin queens’ quality that produce in Egypt as being comparatively low.
Honey bee
Apis mellifera
virgin queen
queen quality
Nosem disease
ovariole
Season and spermatheca
2014
12
01
1097
1107
https://jppp.journals.ekb.eg/article_88036_778e2b76d7cb3419b7b356774e62b3fc.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
POPULATION DYNAMIC OF THE BROWN SOFT SCALE, Coccus hesperidum L. (HEMIPTERA: COCCIDAE) INFESTING THE ORNAMENTAL PLANT, Nerium oleander UNDER ASSIUT GOVERNORATE CONDITIONS.
Ghada
Mohamed
The ornamental plant Nerium oleander L. was inspected as a host of the brown soft scale, Coccus hesperidum L. The present study was carried out in the Farm of Faculty of Agriculture, Assiut University, during two successive seasons of 2012/2013 and 2013/2014. Data from both seasons revealed that the highest numbers of nymphs and the total number of the pest were recorded during the 1stweek of August. The highest percentages of the total monthly mean count (out of the total year count) were found to be 21.11 and 19.45 %, in July during the 1st and 2nd years. In addition, it has four generations per year under field conditions. Metaphycus luteolus Timberlake was the only wasp species found to parasitize on C. hesperidum. Parasitism rate reached 5.31% during the first year of the study. The brown soft scale was able to resist parasitization by encapsulating the parasitoid’s eggs. Maximum encapsulation rate was estimated up to 2.19% of adult scales. Predation rate reached 3% and it was attributed to the coccinellid, Chilocorus bipustulatus (L). The effects of weather elements on the pest population were also possible. This aforementioned information can be taken into consideration when developing a plan for sustainable control strategy for this pest in Egypt.
2014
12
01
1109
1124
https://jppp.journals.ekb.eg/article_88039_91cab061447d5ca2362ccd0b286a21f2.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
ROLE OF POLLEN AND/OR BEE BREAD AVAILABILITY IN BROOD REARING AND CELLULAR IMMUNE SYSTEM OF HONEYBEES
M.
Abdel-Rahman
The role of pollen and/or bee bread availability was evaluated on brood rearing, protein content and haemolymph of 6-days-old larvae worker honeybees. The highest area of stored pollen and/or bee bread and worker unsealed brood was recorded during August with an average 157.7±24.701 and 347.7±51.348 (sq. inch / Colony), respectively. Highly significant positive correlation was detected between stored pollen and/or bee bread and worker unsealed brood (r = 0.902**). Physiological studies on larvae and their haemolymph indicated that the, lowest protein content of both larvae and their haemolymph 22.03±6.325 % and 4.04±0.48 (µg/µl), respectively was found during April. Significant positive correlation was noticed between stored pollen and/or bee bread from one side and both larval protein content and haemolymph protein content on the other hand, (r = 0.393* and 0.345*), respectively. The highest of both total soluble solids (TSS %) and total haemocyte count (THC) was found during May and January. On the other hand, the lowest average of both (TSS %) and (THC) was noticed during April. Differential haemocytes counts (DHC) were counted in smears of their haemolymph. There were significant differences in different haemocyte types among various months. So, it turns out previously, it can be recommended for special attention protein nutrition artificially by providing nutrition supplements or pollen substitutes for bee colonies and that in periods of scarcity or lack of pollen as well as in the periods of disease spreads. In this process the chances of incidence of disease can be reduced and improve the immune system of bees. This is in addition to reducing the loss incident in bee colonies as a result of starvation.
Honeybee
Pollen
Bee bread
brood rearing
protein
Haemolymph
Haemocytes
immunity
2014
12
01
1125
1137
https://jppp.journals.ekb.eg/article_88041_9adcf572b82ad4109e77e4d3d194e969.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
FIELD EVALUATION OF SOME SOYBEAN CULTIVARS FOR THEIR RELATIVE SUSCEPTIBILITY TO THE TWO-SPOTTED SPIDER MITE, Tetranychus urticae KOCH INFESTATION WITH RELATION OF SOME BIOTIC AND ABIOTIC FACTORS AT ASSIUT GOVERNORATE (Acari: Tetranychidae)
Maged,
Embarak
Field experiments were carried out in Abnoub district, Assiut Governorate during two successive seasons 2010 and 2011 to study the population fluctuation of the two-spotted spider mite, Tetranychus urticaeKoch and some associated common predators (Scymnus spp., Orius spp., Geocoris pallidipennis (Costa), Charysoperla carnea Stephens and true spiders) on seven soybean varieties. Also, the effect of different plant growth stages, common predators and some prevailing weather factors on the infestation of soybean varieties and the relative susceptibility of soybean varieties to infestation were studied. The obtained results indicated that Giza 111 variety attain the highest population of T. urticae while the lowest one was recorded with the two varieties Giza 22 and H 32. Moreover, coincidental appearance for both T. urticae and associated common predators. So, firstly appeared in low numbers during July then increased gradually to reach the peak during the end of August. Therefore, the population decreased sharply from September to the end of season, for all soybean varieties during the two seasons 2010 and 2011.
The effects of certain biotic and abiotic factors on the population density of T. urticae were investigated. The obtained data showed that the plant growth stages played the most important roles in regulating the population density of the two-spotted spider mite. Also, it could be substituted equations for predicting the infestation of T. urticae on soybean.
The soybean varieties differed in their relative susceptibility to the infestation with T. urticae. Whereas, Giza111, H30 and Clark were the highly susceptible varieties (HS). While, H117 and H127 varieties were exhibited relatively resistant (RR), but Giza22 and H32 varieties manifested a resistant degree (R).
2014
12
01
1139
1149
https://jppp.journals.ekb.eg/article_88042_a285980c5d30900c1ed3356ddbbc5c6a.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
ADVANTAGES AND APPLICATION OF PUNCTURED EPPENDORF TUBE TECHNIQUE (PETT) ON THE BIOLOGY OF THE BIRD CHERRY-OAT APHID, Rhopalosiphum padi (LINNAEUS)
Monira
El-Fatih.
This study demonstrates the advantages and important role of using Punctured Eppendorf Tube Technique (PETT) in different laboratory experiments such as behavioral, biological, bioassay of different small organisms such asAphids.This technique simulated the natural growth stage of seeds under controlled conditions. PETT require low maintenance, simple, relatively inexpensive and allows monitoring of different small organisms.It depends on using Punctured Eppendorf Tubes as a closed media for seedling roots. The seeds to be germinated in a Petri-dish containing wetted Cotton or autoclaved soil or nutrient solution or Mulch according to the purpose of the experiment. After germination, the new seedlings to be transferred to Punctured Eppendorf Tubes. The punctured holes should be small to allow only the shoot to come out and not to allow any other organisms to move into the tube contents. The tubes to be filled with the prober media which may vary depending on the purpose of the study (i.e. Sterilized soil and water, nutrient solution…etc) and closed tightly. The units to be placed in ventilated plastic Petri-dishes covered with a piece of organza cloth to easy supply with normal or physical light and air conditions.Also, the PETT could be put in a closed sterile glass Petri-dishes for the purpose of pathogenic organisms' studies.
Results are closed to reality by using this technique. It allows facilitating similar environment around the host plant and the studied organism as much as natural situation. It reduces the hassle of using detached leaves or leaf discs and the problem of their deterioration over very short time or reduces the need to change them daily. The longer availability of an acceptable food source reduces handling time and disruption of organisms. This technique allows the monitoring of the natural interaction between the organism and its host plant due to the long time of organism existing on the host plant. This technique is prober for using with plant seedlings especially those belonging to Fam.: Gramineae as wheat, barley, rice, cereal weeds…etc. Using this technique make it easy to monitor the investigated organisms and its behavior on its host plant. This technique was used to study the biological aspects and life table parameters of the bird cherry-oat aphid, Rhopalosiphum padi (Linnaeus) at a constant temperature of 30oC as an example. The obtained results revealed thatthe life cycle, generation time, longevity and the life span durations were 6.58± 1.50, 7.96 ± 2.73, 13.15± 4.60 and 19.23 ± 4.28 days, while the recorded fecundity rate was 21.77 progeny/ female.
Calculated life table parameters showed that the net reproductive rate (Ro), the mean generation time (T), the intrinsic rate of increase (rm) and the Finite rate of increase (exp. rm) values were 10.107, 10.56, 0.22 and 1.24, while the recorded population doubling time (PDT) in this study was 3.166 days.
2014
12
01
1151
1160
https://jppp.journals.ekb.eg/article_88043_c5df9ae8e4a6944a3df17d3fdf97ceee.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
EFFICACY OF NATURAL COMPOUND ON THE WHITEFLY Bemisia tabaci BIOTYPE “B” (HEMIPTERA: ALEYRODIDAE) AND ITS NATURAL ENEMIES OF CUCUMBER CROP
A
AbdElhady
F.
shaheen
Salwa
Negm
I.
Heikal
Dina.
El.Asharm
The tomato and cotton whitefly, Bemisia tabaci (Gennadius) Biotype “Q” (Hemiptera: Aleyrodidae) is an important pest on cucumber. The present work deals with the efficacy of the compounds, Mineral oil, Jojoba oil , Sulphur, Peacilomyces fumosoroseus, Azdrachtin, Verticellium lecanii and Actara on B. tabaci Biotype “Q” and its parasitoid, Eretmocerus mundus (Mercet) (Hymenoptera : Aphelinidae) and predator, Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae). Field experiments were carried out to evaluate of the seven compounds on B. tabaci Biotype “Q” and associated natural enemies (E. mundus and C. carnea ) on cucumber crop at Dakahliya Governorate. When the numbers of whitefly and its parasitoid and predator were high during October. The results indicated that the four compounds Jojoba oil , Peacilomyces fumosoroseus, Azdrachtin and Verticellium lecaniigave moderate effect against B. tabaci Biotype “Q” (59.3-66.7 and 58.7-66.3%), the parasitoid, E. mundus (59.9-66.7%) and the predator, C. carnea (60.3-67.7 and 60.3-67.3%) during the two years under consideration, respectively. On the other hand, Actara gave high efficacy against B. tabaci Biotype “Q” ( 85.2 and 87.0%), C. carnea (86.3 and 85.0 %) and on E. mundus ( 85.0 and 88.3%) . While, Mineral oil and Sulphur compounds gave 79.2 & 72.6 and 79.9-70.9 % for B. tabaci; 78.1 & 71.7 % and 78.2 & 72.2 for E. mundus and 78.1 & 72.5 % and 78.9 & 72.5 for C. carnea mortality during the two years under consideration, respectively. It is concluded that the use of certain botanical extracts (Azdrachtin ) and fungi (Peacilomyces fumosoroseus and Verticellium lecanii )for the control tomato and cotton whitefly, B. tabaci Biotype “Q” is an important and useful approach. As well as using these compounds safely effect of natural enemies and environment.
2014
12
01
1161
1176
https://jppp.journals.ekb.eg/article_88046_fec9a4c6f3fad66752494542a7a4b149.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
SEASONAL ABUNDANCE OF THE WHITEFLY, Siphoninus phillyreae(HALIDAY) ( HEMIPTERA : ALEYRODIDAE) AND ITS PARASITOID, Encarsia inaron (WALKER) (HYMENOPTERA : APHELINIDAE) WITH PRODUCTIVITY AND ECONOMIC INDICATORS FOR THE POMEGRANATE CROP IN EGYPT
M.
Maamoun
Nadia
Aly
Mohamed
Attala
The pomegranate whitefly, Siphoninus phillyreae (Haliday) ( Hemiptera : Aleyrodidae) attacking different host economic plant species. Heavy infestation caused leaf wilt, early leaf drop and smaller fruit. The seasonal abundance of the pomegranate whitefly, Siphoninus phillyreae ( Haliday) ( Hemiptera : Aleyrodidae) and its parasitoid, Encarsia inaron (Walker) ( Hymenoptera : Aphelinidae) was conducted for two successive years from January, 2013 till December 2014 on pomegranate in Assuit Governorate . The results showed that, the insect population exhibited the lowest density in the beginning of March and disappeared during December, January and February. At the beginning of May the population increased gradually to reach maximum in 3400 individuals /80 leaves during Oct.1st (first year) and 3526 individuals /80 leaves during Oct.15th (second year). It is concluded that, S. phillyreae occurred all year round on pomegranate except It is disappearing during December, January and February of the period of study. The results indicated that the activity period have three overlapping generations the first one reached maximum populations during the first of July , the second one reached maximum populations during the mid of August and the third one reached maximum populations during the first of October in the first year . While in the second year the activity period have also three generations the first one reached maximum populations during the mid of June , the second one reached maximum populations during the mid of August and the third one reached maximum populations during the mid of October.The parasitoid, E.inaron recorded attacking this pest on pomegranate trees in Assuit with maximum and minimum populations were 29 and 2 individuals / 80 leaves during 1st August and 1st November (first year). In the second year, maximum and minimum populations were 33 and 3 individuals / 80 leaves during 1st August and 1st November. The results indicated that the activity period have three overlapping generations the first one reached maximum populations during the first of July , the second one reached maximum populations during the mid of August and the third one reached maximum populations during the first of October in the first year . While in the second year the activity period have also three generations the first one reached maximum populations during the mid of June , the second one reached maximum populations during the first of August and the third one reached maximum populations during the first of October. Productivity and economic indicators for the pomegranate crop in Egypt, also was studied.
2014
12
01
1177
1189
https://jppp.journals.ekb.eg/article_88048_c8b2afaf3712850736b79118ea748379.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
POPULATION DENSITY OF THE THREE DESTRUCTIVE INSECT PESTS INFESTING BROAD BEAN (Vicia faba L.) IN KAFR EL SHEIKH GOVERNORATE
E.
Mousa
Samia
Metwally
A field experiment was carried out at Kafr El Sheikh Governorate during two successive seasons (2008-2009) and (2009/2010) to detect the population density of three destructive insect pests (Aphis craccivora, Empoasca decipience and Liriomyza trifolii) infesting broad bean plants; Vicia faba and cause economic losses in the crop, recording the population of each pest at the three levels of the plant and during the three developmental plant stages. The obtained results showed that the number of pests, that A. craccivora, E. decipiens and L. trifolii are considered three destructive pests which invade broadbean plant causing serious damage throughout the planting stages of broadbean.
IPM program of these insect pests should be included in view of the fact that the end site of the tested insects infestation in the plants in this location.
A. craccivora was found with high density on upper level (recorded mean 26.66 individual/5 leaves in season 2008/2009 and 9.16 indiv./5 leaves in season 2009/2010) of Vicia faba through vegetative period of the plant ground season (gave 61.25 and 17.25 indiv./5 leaves) in 2008/2009 and 2009/2010 seasons, respectively.
E. decipience attacking broadbean on upper and middle level of the plant during the fruiting stage (recorded for middle level 5.55 indiv./5 leaves and 4.72 indiv./5 leaves) in season 2008/2009 and 2009/2010, respectively and recorded 13.28 indiv./5 leaves and 19.85 indiv/5 leaves for fruiting stage in 2008/2009 and 2009/2010 seasons, respectively.
L. trifolii caused highest damage in the plant leaves on basal level during the flowering and fruiting stages, (gave 62.83 indiv./5 leaves and 52.55 indiv./5 leaves in season 2008/2009 and 2009/2010, for lower level, flowering stage recorded 172.0 and 95.33 indiv/5 leaves in 2008/2009 and 2009/2010 seasons, respectively
This paper aims to guide in putting a correct and suitable IPM program, concerning the level of the plant on which each pest recorded its highest population beside the developmental stage found to receive the highest population and the timing of the infestation.
2014
12
01
1191
1199
https://jppp.journals.ekb.eg/article_88049_0180d542ab224bb8dc7bc6c346b41630.pdf
Journal of Plant Protection and Pathology
2090-3677
2090-3677
2014
5
12
EFFECT OF DIFFERENT TYPES OF FOOD AND TEMPERATURES ON DEVELOPMENTAL STAGES, FECUNDITY AND LIFE TABLE PARAMETERS OF THE ACARID MITE, Caloglyphus berlesei (MICHAEL) (ACARI: ACARIDIDA: ACARIDAE)
Hanaa
Mahmoud
Horia
Abd El-Wahab
H.
Azzouz
Riham,
ALI
Biological studies were carried out on the acarid mite, Caloglyphus berlesei (Michael) when it fed on three different types of food (dry yeast, crushed wheat and crushed maize) under laboratory conditions of 25 & 30 ºC and 70% R.H. Developmental stages and female fecundity of mites were affected by different food types and temperature where as female total immature stages lasted (10.7 &10.45), (14.12 &11.43) and (16.44 & 12.13) days at 25 & 30 ºC respectively when mites fed on dry yeast, crushed wheat and crushed maize respectively. Female and male were life cycle ,(14.3 &13.0), (17.8 &15.65) and (20.95 &17.04) days at 25 ºC when mites fed on the above mentioned diets at the some trend. Female fecundity also was affected by both food and temperature where the average number of deposited eggs and the daily rate were (297.5 &27.5), (232.1 &20.4) and (185.7 &12.3) eggs at 25 ºC, while the average number of eggs and daily rate at 30 ºC were (208.4 &21.1), (184.1 &14.4) and (162.9 &9.7)eggs when female fed on dry yeast, crushed wheat and crushed maize, respectively.
2014
12
01
1201
1208