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NEGM, M., ASSEM, S., EL-SISI, A. (2001). COMPARISON BETWEEN SOME MINERAL OILS AND CIDIAL FOR CONTROLLING MEALYBUG ICERYA SEYCHELLARUM (WESTWOOD) ON MULBERRY TREES BY USING KNAPSACK MOTOR SPRAYER. Egyptian Journal of Agricultural Research, 79(2), 453-461. doi: 10.21608/ejar.2001.318819
MOHAMED F. NEGM; SHADIA M. ASSEM; AHMED G. EL-SISI. "COMPARISON BETWEEN SOME MINERAL OILS AND CIDIAL FOR CONTROLLING MEALYBUG ICERYA SEYCHELLARUM (WESTWOOD) ON MULBERRY TREES BY USING KNAPSACK MOTOR SPRAYER". Egyptian Journal of Agricultural Research, 79, 2, 2001, 453-461. doi: 10.21608/ejar.2001.318819
NEGM, M., ASSEM, S., EL-SISI, A. (2001). 'COMPARISON BETWEEN SOME MINERAL OILS AND CIDIAL FOR CONTROLLING MEALYBUG ICERYA SEYCHELLARUM (WESTWOOD) ON MULBERRY TREES BY USING KNAPSACK MOTOR SPRAYER', Egyptian Journal of Agricultural Research, 79(2), pp. 453-461. doi: 10.21608/ejar.2001.318819
NEGM, M., ASSEM, S., EL-SISI, A. COMPARISON BETWEEN SOME MINERAL OILS AND CIDIAL FOR CONTROLLING MEALYBUG ICERYA SEYCHELLARUM (WESTWOOD) ON MULBERRY TREES BY USING KNAPSACK MOTOR SPRAYER. Egyptian Journal of Agricultural Research, 2001; 79(2): 453-461. doi: 10.21608/ejar.2001.318819

COMPARISON BETWEEN SOME MINERAL OILS AND CIDIAL FOR CONTROLLING MEALYBUG ICERYA SEYCHELLARUM (WESTWOOD) ON MULBERRY TREES BY USING KNAPSACK MOTOR SPRAYER

Article 8, Volume 79, Issue 2, July 2001, Page 453-461  XML PDF (2.62 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2001.318819
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Authors
MOHAMED F. NEGM1; SHADIA M. ASSEM1; AHMED G. EL-SISI2
1Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt
2Central Agricultural Pesticides Laboratory, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
Mealybug lcetya seychellarum is considered one of the most im­portant economic insect of mulberry trees. This insect pest causes seri­ous problems to silk industry in Egypt. So, the present study is an at­tempet to test two local mineral oils (IQ-oil and CAPL-2) against this insect with Arimitsu sprayer compared with one of the recommended in­secticides (Cidial), with two application rates 420,630 lit,/ fed. Biologi­cal date revealed that, application rate 420 lit./fed. of Cidial insecticide with pnuematic-rotary-atomization induced sufficient control against this insect. Droplet spectrum of deposited spraying with 420 lit./fed. were 158 spots/Cm2 having an average diameter (VMD) of 94 microm­eter (pm). Next comes KZ-oil at the lower rate of application 420 lit./ fed. and droplet spectrum of deposited spraying was 138 spots/Cm2 having an average diameter of 103 pm. The lowest biological activity treatment resulted from CAPL-2 at the same rate of application. The droplet spectrum of deposited spray 143 spots/Cm2 having VMD of 99 pm. The best control result (90.8%) was achieved by Cidial insecti­cide using flow rate 420 lit./fed. higher rate of application (630 lit./ fed.) gave the next level of control result (77.2%) followed by KZ-oil which gave 76.5%, 72.1% reduction using lower and higher rates of ap­plication (420 lit./fed., 630 lit./led.), respectively. Similar trend was found with CAPL-2 where 69.6% and 63.8% were achieved by applying 420 lit./fed. and 630 lit./fed. successively.
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