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EI-Shazly,, E., Ismail, I., Abdel-Rahman, R. (2004). THE RED-STRIPED SUGAR-CANE SOFT SCALE, Pulvinaria tenuivalvata (NEW STEAD) (HEMIPTERA: COCCIDAE) AS A NEW PEST ATTAKING SUGAR CANE IN GIZA REGION.. Journal of Plant Protection and Pathology, 29(7), 4235-4244. doi: 10.21608/jppp.2004.240002
E. A. EI-Shazly,; I. A. Ismail; R. S. Abdel-Rahman. "THE RED-STRIPED SUGAR-CANE SOFT SCALE, Pulvinaria tenuivalvata (NEW STEAD) (HEMIPTERA: COCCIDAE) AS A NEW PEST ATTAKING SUGAR CANE IN GIZA REGION.". Journal of Plant Protection and Pathology, 29, 7, 2004, 4235-4244. doi: 10.21608/jppp.2004.240002
EI-Shazly,, E., Ismail, I., Abdel-Rahman, R. (2004). 'THE RED-STRIPED SUGAR-CANE SOFT SCALE, Pulvinaria tenuivalvata (NEW STEAD) (HEMIPTERA: COCCIDAE) AS A NEW PEST ATTAKING SUGAR CANE IN GIZA REGION.', Journal of Plant Protection and Pathology, 29(7), pp. 4235-4244. doi: 10.21608/jppp.2004.240002
EI-Shazly,, E., Ismail, I., Abdel-Rahman, R. THE RED-STRIPED SUGAR-CANE SOFT SCALE, Pulvinaria tenuivalvata (NEW STEAD) (HEMIPTERA: COCCIDAE) AS A NEW PEST ATTAKING SUGAR CANE IN GIZA REGION.. Journal of Plant Protection and Pathology, 2004; 29(7): 4235-4244. doi: 10.21608/jppp.2004.240002

THE RED-STRIPED SUGAR-CANE SOFT SCALE, Pulvinaria tenuivalvata (NEW STEAD) (HEMIPTERA: COCCIDAE) AS A NEW PEST ATTAKING SUGAR CANE IN GIZA REGION.

Article 6, Volume 29, Issue 7, July 2004, Page 4235-4244  XML PDF (2.63 MB)
Document Type: Original Article
DOI: 10.21608/jppp.2004.240002
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Authors
E. A. EI-Shazly,1; I. A. Ismail2; R. S. Abdel-Rahman2
1Dept., of Economic Entomology and pesticides FAC. of Agric., Cairo Un lv, Giza, Egypt.
2Pests and Plant Protection Dept. National Research Centre,Dokki, Cairo,Egypt
Abstract
Population dynamics of the coccid scale ,Pulvinaria tenuivalvata (Hemiptera:
Coccidae), its infestation rate and survey predators and parasitoid associated were
conducted through careful inspection of suqar-cane fields in Attfieh, Giza governorate
during two successive seasons (200212003 and 2003/2004).
Nymphal infestation started from apical part of plant in June in the first season
(200212003) and in may in the second one(2003/2004). In first season infestation
percentage ranged between 61.3%, to reach 100% infestation in September and
October while it ranged between 30.6%t0100% in second season.
Adult infestation started in July on apical part of sugar-cane plant with infestation
percentage 35% t0100% and from 53.7 %100% infestation in first and second season,
respectively .In both season infestation disappear in January. Negative Correlation
found between the population density of sugar-cane insect scale ,P. tenuivalvata and
temperature. The population growth rate decreased in November to February and it
ranged between -52.12 and -100 insect scales in the first season 200212003 while it
was -91.82 and 100 - insect scales in the. second season 2003/2004.
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