Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
EFFECT OF POTENTIAL ALLELOPATHIC EGYPTIAN RICE CULTIVARS AGAINST Echinochloa crus-galli AND Echinochloa colonum
629
644
EN
M.
A.
Ashry
Dept. of Pesticides Fac. of Agric., Kafrelsheikh Univ., Egypt
A.
A.
Zein
Dept. of Pesticides Fac. of Agric., Kafrelsheikh Univ., Egypt
M.
F.
El - Nady
Dept. of Agric. Botany, Fac. of Agric., Kafrelsheikh Univ., Egypt
Sh.
M.
Abdel-Dayem
Dept. of Pesticides Fac. of Agric., Kafrelsheikh Univ., Egypt
10.21608/jppp.2012.84089
With the burgeoning population of the world, achieving the food security has become a challenge to mankind; as a result only yield maximization is becoming the last word of modern agriculture. Although this approach is satisfying the food demand to almost a desirable extent, but is directly and indirectly causing negative impact on quality of the product, environment and overall human health. This system is mostly based on the use of heavy doses of herbicides to control weeds. Therefore, these experiments were conducted in order to investigatea quick seedling test for allelopathic potential of rice cultivars [Egyptian Jasmine (E. Jasmine) and sakha 104] and allelopathic potential of methanol extract of rice cultivars seedlings and as sown rice cultivars on seed germination %, growth and anatomical parameters of the two tested rice weeds (<em>Echinochloa crus-galli</em> and <em>Echinochloacolonum</em>). The obtained results indicated that, reduction in seed germination %, growth parameters of the two tested rice weeds were recorded by methanol extract of allelopathic rice cultivar (E. Jasmine) and as sown with rice cultivars application. Anatomical changes were obtained in the both rice weeds treated with methanol extract of rice cultivar(E. Jasmine). This may led to avoid or at least reduce the frequent use of herbicides in rice crop production sector. These results suggest that rice plant methanol extract may be a source of natural herbicide (bioherbicide).
Bioherbicides allelopathy,percent of germination,fresh and dry weight,anatomical differences,morphological parameters
https://jppp.journals.ekb.eg/article_84089.html
https://jppp.journals.ekb.eg/article_84089_6061fc90da81d895a0659b80b44f241c.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
METHOD OF ANALYSIS VALIDATION OF DIOXIN-LIKE PCB’S IN DAIRY PRODUCT
645
656
EN
Y.
M.
Nabil
Central Laboratory of Residue Analysis of Pesticide and Heavy Metal in food, Agriculture Research center, Cairo, Egypt.
A.
Hassanin
Central Laboratory of Residue Analysis of Pesticide and Heavy Metal in food, Agriculture Research center, Cairo, Egypt.
10.21608/jppp.2012.84090
Dioxin like-polychlorinated biphenyls are unintentionally produced ubiquitous, persistent organic pollutants. The main source of human exposure to the compounds is food of animal origin because bioaccumulation in food chains. Extraction of dairy products by liquid-liquid extraction (LLE) technique for milk but extraction of other dairy products such as cheese was by soxhlet technique. In addition, clean samples after extracting the fat from dairy product samples by three - column chromatographyies, which include multi-layer silica, alumina column and then the third phase of the chromatographic column, is carbon. Method of analysis for determination of “dioxin-like PCBs” -show high toxicological properties that are similar to dioxins - in dairy products by high-resolution gas chromatography/ high-resolution mass spectrometry (HRGC/HRMS). Results were development of reliable and validated analytical method for dairy products, which recognized to be good indicator of environmental exposure for persistent organic pollutants. The method performance was tested for four non-ortho PCB congeners (PCB 77, 81,126, and 169) and eight mono-ortho PCB congeners (105, 114, 118, 123, 156, 157, 167, and 189) with good average recovery (via <sup>13</sup>C12-labelled PCB internal standard) of the twelve PCB congeners for dairy products at level 40 ng/kg varies between 99-109 %. The trueness of a measurement method for dioxin like polychlorinated biphenyls in dairy product such as cheese where the results demonstrated satisfaction z-scores within range of ±2 for sum non-ortho-PCB was -0.85, and for sum mono-ortho-PCB -0.74. The reproducibility expressed as relative standard deviation percent was less than 22.6 % and the measured uncertainty including random and systemic error (on 95% confidence level) was less than 40%.
method validation,Dioxin Like PCB’s,Liquid-Liquid extraction,Soxhlet,Dairy product,Food and HRGC/HRMS
https://jppp.journals.ekb.eg/article_84090.html
https://jppp.journals.ekb.eg/article_84090_5996fdf6356b7df7b1fb43d01792f81b.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
EVALUATION OF SOME ASSAYS TECHNIQUES FOR DETERMINATION OF SUSCEPTIBILITY OF GARLIC CULTIVARS TO THE PINK ROOT DISEASE
657
666
EN
S.
I. M.
Shalaby
Plant Pathology Research Institute, Agricultural Research Center, Giza.
S.
M. A.
Morsy
Plant Pathology Research Institute, Agricultural Research Center, Giza.
A.
A.
Abd El Baky
Plant Pathology Research Institute, Agricultural Research Center, Giza.
10.21608/jppp.2012.84091
Biological and physiological assays have been used to evaluate garlic cultivars for their resistance to the pink root disease. Biological methods using artificial media amended with <em>Pyrenochaeta</em> <em>terrestris</em> and/or its toxins or using soil infested with the pathogen <em>P.</em> <em>terrestris</em> were tested to evaluate the resistance of seedlings of various garlic cultivars against the pink root disease. Results showed that the assay using the fungus-free Pyrenochaeta toxins was more reliable than using the fungus itself, in which determination of the disease resistance of garlic seedlings was possible in 7 days without the problems of contaminations. Physiological assays indicated that histones and RNA contents in garlic plants play a role in their resistance to the pink root disease.
Garlic,pink root disease,Pyrenochaeta terrestris,disease resistance
https://jppp.journals.ekb.eg/article_84091.html
https://jppp.journals.ekb.eg/article_84091_4c74d7285b3496f3afa43ce46cee60cd.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
THE BIOLOGICAL ACTIVITY OF SOME INSECT GROWTH REGULATORS AGAINST THE COTTON LEAFWORM Spodoptera littoralis (BIOSD.)
667
680
EN
H.
M
Nasouri
Economic Entomology and Pesticides Dept. Fac. of Agric., Cairo University
H.
M. A.
Badawy
Economic Entomology and Pesticides Dept. Fac. of Agric., Cairo University
A.
A.
Barakat
Economic Entomology and Pesticides Dept. Fac. of Agric., Cairo University
10.21608/jppp.2012.84093
The present study was undertaken to evaluate the initial and residual toxicity of Virtu 80% WP (chromafenozide), Nomolt 15% SC (teflubenzuron) and Match 5% EC (lufenuron), as well as their effects on food consumption and growth rate of the 4<sup>th</sup>, 5<sup>th</sup> and 6<sup>th</sup> larval instars of cotton leafworm using field-laboratory experiment. The tested IGRs were sprayed on potato plants in the field and their leaves were collected at four periods to conduct laboratory tests. Larvae were fed on treated leaves for two days and then on untreated leaves for another three days in each period. Data indicated that the tested IGR compounds were high efficiency against the fourth and fifth instars at the first period and gave long residual activity. On the other hand, residual activity of Virtu was more effective than the two benzoylphenyl urea insecticides against the sixth larval instar. The same trend of efficacy of the tested IGRs on the food consumption of the fourth and fifth larval instars was also found in the sixth larval instar of <em>S. littoralis. </em>Mean of consumption indexes of all intervals for sixth larval instar was 0.460, 1.096 and 1.219 for Virtu, Nomolt and Match, respectively, compared to 1.131 in check treatment. Also, it was found that the tested IGRs were able to suppress the growth rate of tested larval instars to different degrees in comparison to that of untreated control. Data indicated that feeding the different larval instars on treated potato leaves with Virtu compound resulted in high reduction in food consumption and growth rate. On the contrary, the both benzoylurea compounds; Nomolt and Match caused slight reduction in consumption index and growth rate.
Cotton leafworm,IGRs,field-lab. test,food consumption,growth rate
https://jppp.journals.ekb.eg/article_84093.html
https://jppp.journals.ekb.eg/article_84093_127828b1711d0edfa6a49e51ab534417.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
FIELD EXPERIMENTS OF THREE INSECTICIDES AGAINST SUBTERRANEAN TERMITE Psammotermes Hypostoma (DESN.)
681
691
EN
A.
R.
El-Bassiouny
Agric. Res. Center, Plant Protection Res. Inst. Dokki, Giza., Egypt
aymanelbassiouny@yahoo.com
10.21608/jppp.2012.84095
The catched termites of untreated areas at first year 2009 showed highly population of subterranean termites <em>Psammotermes hypostoma </em>(Desn.), when compared with population catched at second year 2010 in soil treated with insecticides in the location A and B of all tested insecticides. In 2<sup>nd</sup> year data showed in location A (insecticides treated with water solvent), the insecticides were more toxic than insecticides in case location B (insecticides treated with kerosene solvent). Chlorpyrifos was the best for decreased of termite individuals followed by cypermethrin and fipronil in location A, while the insecticide cypermethrin was in the first rank followed by fipronil and chlorpyrifos in location B. The Chlorpyriphos found amount residues highly stability and more going deeply into depth layers in the treated soil followed by cypermethrin and fipronil, also the leachibility of insecticides treated with water solvent were more going deeply into depth layers than the insecticides treated with kerosene solvent, and vice versa in surface layers, whereas the insecticides treated with kerosene solvent more toxic and counted highly content of treated chemicals.
https://jppp.journals.ekb.eg/article_84095.html
https://jppp.journals.ekb.eg/article_84095_ac28002bb8ee5671964ae59a4d206b59.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
HOST SUITABILITY OF SOME MEDICINAL PLANTS TO Meloidogyne incognita INFECTION UNDER GREENHOUSE CONDITIONS
693
700
EN
A.
G.
El-Sherif
Nematology Res. Unit, Agric. Zool. Dept, Fac. of Agric., Mansoura Univ. Dkahlia. Egypt.
elsherifmohammed@yahoo.com
A.
R.
Refaei
Nematology Res. Unit, Agric. Zool. Dept, Fac. of Agric., Mansoura Univ. Dkahlia. Egypt.
M.
E.
El-Naggar
Plant protection Inst., ARC, Dokki, Giza , Egypt.
Mayada
M.
Hefny
Plant protection Inst., ARC, Dokki, Giza , Egypt.
10.21608/jppp.2012.84096
The host suitability of ten medicinal plant species i.e. carnation, celery, coriander, dill, geranium, peppermint, periwinkle, rose geranium, thorn apple and thyme to <em>Meloidogyne incognita</em> infection indicated that none of the tested plant species was immune and the incidence varied from plant species to another. Their host category was determined through the relationship between host plant growth response (% reduction of total plant fresh weight) or gall index and nematode reproduction factor (RF). Carnation and thyme were rated as highly susceptible (HS) or susceptible (S) hosts, since their plant growth parameters were highly affected along with reproduction factor >1. Rose geranium was rated as moderately intolerant (IT) or moderately resistant (MR), since its plant growth character was moderately affected along with reproduction factor <1 . Geranium was rated as fairly resistant (FR) or (MR), since its plant growth criterion was moderately affected with reproduction factor >1. Dill, celery, coriander, thorn apple and periwinkle were classified as resistant (R) or moderately resistant (MR)hosts, since their plant growth were not affected with reproduction factors <1, depending upon the host suitability designations used.
Host suitability,ten medicinal plants,Meloidogyne incognita,reproduction factor (RF)
https://jppp.journals.ekb.eg/article_84096.html
https://jppp.journals.ekb.eg/article_84096_41cbda39c6d1d512bacad8356b44149b.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
FIELD AND LABORATORY STUDIES FOR EVALUATING THE TOXICITY OF SOME PESTICIDES ON SOIL MICROORGANISMS.
701
715
EN
Nashwa
M.
Hussien
Pesticides Department, Faculty of Agriculture, Mansoura University
F.
A. H.
Shaheen
Pesticides Department, Faculty of Agriculture, Mansoura University
Maysa
H
Shaker
Institute of Animal health, Ministry of Agriculture
M.
M. I.
Kady
Pesticides Department, Faculty of Agriculture, Mansoura University
Salwa
E.
Negm
Pesticides Department, Faculty of Agriculture, Mansoura University
10.21608/jppp.2012.84097
Incessant and indiscriminate use of some agrochemicals in agricultural production has elicited fears of changes in microbial populations and the activities of individual species of micro-organisms. Present study was carried out to study the effect of three pesticides (Chloropyrifos (1L/200L.Water), Lambada cyhalothrin(50g/100L.Water) and Emamectin benzoate(120g/400LWater)) at field application rate on total population count of microorganism in phasoulus vulgaris field . Also measured the sensitivity of some species, bacteria (<em>Rhizobium leguminosarum</em>. And <em>Bacillus thuringiensis</em>) , fungi (<em>Trichoderma harzianum</em><em> and Trichoderma viridi</em>) and actinomycetes (<em>Streptomyces griseorubens</em><em>and </em><em>Streptomyces</em><em> cavourensis </em>at field and double application rate to these pesticides .
Data indicated that, Chloropyrifos stimulated significantly the proliferation of all of the microorganism. Lambada-cyhalothrin decreased population of Bactria at 1 DAT (day after treatment) until 15 DAT and returned to increase at 21 DAT . For fungal population, the total count of the soil fungi was decreased after the addition of Lambada-cyhalothrin . Actinomycetes was also significantly inhibited during the period from 1 to 15 DAT by Lambada-cyhalothrin, and subsequently recovered to a similar level of control. Emamectin benzoate in general increased population of bacteria and actinomycetes and decreased population of fungi. Concerning the sensitivity study we found that , Chloropyrifos inhibited significantly the growth of the tested species at different rates with a positive correlation. Chloropyrifos was the most potent compound followed by Lambada-cyhalothrin while Emamectin benzoate did not happen any effect on tested species. For radical growth of <em>T.harzianum</em><em> and T. viridi</em> Chloropyrifos , Lambada-cyhalothrin and Emamectin benzoate showed the same level in its impact on the bacteria and actinomycetes
Lambada-cyhalothrin,Emamectin benzoate,Chloropyrifos,microbial populations,sensitivity of microorganism
https://jppp.journals.ekb.eg/article_84097.html
https://jppp.journals.ekb.eg/article_84097_7e08a6a0dca09946ad818e963aa12ec5.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
LAND SNAILS ATTACKING PEA FIELDS: II- EFFICIENCY OF CERTAIN BIOCIDES AND MOLLUSCICIDES AGAINST Monacha SP. LAND SNAILS AT DAKAHLIA GOVERNORATE.
717
723
EN
M.
M.
Mortada
Plant Protection Research Institute, Agric., Res. Center ,Dokki- Egypt
A.
A. M.
Mourad
Plant Protection Research Institute, Agric., Res. Center ,Dokki- Egypt
A.
M.
Abo - Hashem
Plant Protection Research Institute, Agric., Res. Center ,Dokki- Egypt
T.
M. S
Keshta
Plant Protection Research Institute, Agric., Res. Center ,Dokki- Egypt
10.21608/jppp.2012.84099
This study was conducted at El-Mansoura district, Dakahlia Governorate during September – October 2011 on pea plantation to evaluate the efficiency of certain biocides compared with some Molluscicides against <em>Monacha</em>sp.Land snails on laboratory and field.
Results can be concluded that Biogard, Cranch, Protecto and Vertimec were used with 1, 2 and 3 % concentrations as leaf dipping technique. LC50 and LC90 values were (2.84 and 18.75 %), (1.97 and 4.57 %), (4.99 and 25.29 %) and (0.63 and 2.56 %), respectively. While LC50 and LC90 as poison bait fore mention before biocides were (2.04 and 37.3%), (2.08 and 5.97 %), (3.45 and 19.50 %) and (0.51 and 2.13 %), respectively in laboratory.
Results of the field experiments showed that the tested biocides reduced <em>Monacha</em> sp. Population density on pea plantation with low values, except, Vertimec (83.32%) after 21 days residue effect. While Molluscicides were the most effective (up to 90 % ) to population density reduction of land snails infesting pea plantation compared with tested biocides compound.
https://jppp.journals.ekb.eg/article_84099.html
https://jppp.journals.ekb.eg/article_84099_d29f7d7863f3d77912581506bc4c4829.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
TAXONOMIC STUDY ON SUBFAMILY COSSONINAE (CURCULIONIDAE: COLEOPTERA) OF EGYPT WITH SOME ECOLOGICAL NOTES
725
750
EN
Y.
M.
Omar
Plant Protection Department, Faculty of Agriculture, Assiut University, Egypt
youssf@yahoo.com
10.21608/jppp.2012.84100
Subfamily Cossoninae is distributed worldwide, with 287 genera based on latest literatures. Species of Cossoninae is found mainly in dead or dying plant parts of trees from pteridophytes to gymnosperms, and dicots, in case of feeding on alive or still sound tissues, the host specificity is high. In Egypt, it has seven genera including ten species. Those genera and species based on their latest position and changes according to latest literatures are <em>Melicius</em> <em>gracilis</em> (Rosenhauer), <em>Melicius</em> <em>cylindrus </em>(Boheman), <em>Hexarthrum culinaris</em> (Germar), <em>Mesites pallidipennis </em>Boheman, <em>Mesites cunipes</em> Boheman, <em>Mesites cunipes</em> var. <em>cribratus</em> Fairmaire, <em>Choerorhinus squalidus</em> Fairmaire, <em>Amaurorhinus bonnairii </em>Fairmaire, <em>Pselactus</em> <em>spadix</em> (Herbst), <em>Micromesites deplanatus</em> Pic. The species of these genera, which recoded in Egypt, is distributed in Mediterranean basin countries except the last species, which recoded only from Egypt. All those species collected from four regions, Maryut, Cairo, Ismailia and Alexandria, which located at North Egypt. They were found under the bark of old trees of willow, plane, mulberry, fig and <em>Tamarix</em> sp. during the whole year except the months of February, October and November. The fauna of Cossoninae probably are not reflecting the reality of which in Egypt, since those are not distributed throughout the country. So many weevil collections are required particularly from Middle and South Egypt in the next studies.
Subfamily Cossoninae is distributed worldwide,with 287 genera based on latest literatures. Species of Cossoninae is found mainly in dead or dying plant parts of trees from pteridophytes to gymnosperms,and dicots,in case of feeding on alive or still sound tissues,the host specificity is high. In Egypt,it has seven genera including ten species. Those genera and species based on their latest position and changes according to latest literatures are Melicius gracilis (Rosenhauer),Melicius cylindrus (Boheman),Hexarthrum culinaris (Germar),Mesites pallidipennis Boheman,Mesites cunipes Boheman,Mesites cunipes var. cribratus Fairmaire,Choerorhinus squalidus Fairmaire,Amaurorhinus bonnairii Fairmaire,Pselactus spadix (Herbst),Micromesites deplanatus Pic. The species of these genera,which recoded in Egypt,is distributed in Mediterranean basin countries except the last species,which recoded only from Egypt. All those species collected from four regions,Maryut,Cairo,Ismailia and Alexandria,which located at North Egypt. They were found under the bark of old trees of willow,plane,Mulberry,fig and Tamarix sp. during the whole year except the months of February,October and November. The fauna of Cossoninae probably are not reflecting the reality of which in Egypt,since those are not distributed throughout the country. So many weevil collections are required particularly from Middle and South Egypt in the next studies
https://jppp.journals.ekb.eg/article_84100.html
https://jppp.journals.ekb.eg/article_84100_7a6d897614475e3c4cfba923d97c02c0.pdf
Mansoura University, Faculty of Agriculture
Journal of Plant Protection and Pathology
2090-3677
2090-3758
3
7
2012
07
01
RELATIVE SUSCEPTIBILITY OF SOME SOYBEAN VARIETIES TO THE MAIN PIERCING- SUCKING INSECTS INFESTATION IN KAFR EL-SHEIKH GOVERNORATE
751
756
EN
M.
A.
Khattab
Plant Protection Research Institute ,A.R.C. Dokki, Giza, Egypt
A.
M.
Nassef
Plant Protection Research Institute ,A.R.C. Dokki, Giza, Egypt
E.
M. E.
Khalafalla
Plant Protection Research Institute ,A.R.C. Dokki, Giza, Egypt
10.21608/jppp.2012.84101
Pest resistant and tolerant crop varieties offer a major mean of pest control as it could be incorporated into integrated pest management programs to minimize the serious problems of insecticides. The current work was carried out at Sakha Agricultural Research Station Farm to evaluate the relative susceptibility of six soybean varieties (Crawford, Giza 21, Giza 22, Giza 111, H 30 and H 32) to infestation with the main piercing-sucking insects (whitefly, <em>Bemisia tabaci</em> Genn.; aphids, <em>Aphis</em> spp.; jassids, <em>Empoasca</em> spp. and green stink bug, <em>Nezara viridula</em> L.) during two soybean growing seasons;2009 and 2010.
Data indicated that whitefly population was higher in the first season than in the second one on all the evaluated varieties, while the reverse was found for the other insects. Based on the mean number of the two successive seasons, Giza 111 significantly received the highest number of whitefly and jassids, followed by Giza 22, while Crawford and H 30 had the lowest whitefly and jassids density, respectively. Also, H 30 and Giza 111 significantly had higher number of aphids among the evaluated varieties. As for the green stink bug, the highest population was found on Giza 22, Crawford and Giza 111, while the lowest one was counted on Giza 21 and H 32 .
In respect to susceptibility degree, Giza 111, Giza 22 and H 32 appeared susceptible to whitefly and jassids, while Crawford and H 30 appeared moderately resistant to whitefly and jassids, respectively. Giza 111 and H 30 appeared susceptible to aphids, while the other varieties showed low resistance. Also, Giza22, Crawford and Giza111 appeared susceptible to the green bug, while Giza21 and H32 appeared as moderately resistant.
Generally, it can be concluded that Giza111 was the highest infested variety with all the tested insects. On the other hand, Crawford was the least infested variety with the whitefly and aphids, while H30 was the least infested with jassids and the green stink bug.
https://jppp.journals.ekb.eg/article_84101.html
https://jppp.journals.ekb.eg/article_84101_32afff6c71f3a1b59669b4b1088cc4b0.pdf