INFLUNCE OF SOME ADJUVANTS ON EFFICACY OF CERTAIN INSECTICIDES AGAINST ONION THRIPS, Thrips tabaci ( LIND.) INFESTING ONION AND GARLIC PLANTS
Abd–Allah, A. (2011). INFLUNCE OF SOME ADJUVANTS ON EFFICACY OF CERTAIN INSECTICIDES AGAINST ONION THRIPS, Thrips tabaci ( LIND.) INFESTING ONION AND GARLIC PLANTS. EKB Journal Management System, 2(2), 169-178. doi: 10.21608/jppp.2011.84673
A. A. A. Abd–Allah. "INFLUNCE OF SOME ADJUVANTS ON EFFICACY OF CERTAIN INSECTICIDES AGAINST ONION THRIPS, Thrips tabaci ( LIND.) INFESTING ONION AND GARLIC PLANTS". EKB Journal Management System, 2, 2, 2011, 169-178. doi: 10.21608/jppp.2011.84673
Abd–Allah, A. (2011). 'INFLUNCE OF SOME ADJUVANTS ON EFFICACY OF CERTAIN INSECTICIDES AGAINST ONION THRIPS, Thrips tabaci ( LIND.) INFESTING ONION AND GARLIC PLANTS', EKB Journal Management System, 2(2), pp. 169-178. doi: 10.21608/jppp.2011.84673
Abd–Allah, A. INFLUNCE OF SOME ADJUVANTS ON EFFICACY OF CERTAIN INSECTICIDES AGAINST ONION THRIPS, Thrips tabaci ( LIND.) INFESTING ONION AND GARLIC PLANTS. EKB Journal Management System, 2011; 2(2): 169-178. doi: 10.21608/jppp.2011.84673

INFLUNCE OF SOME ADJUVANTS ON EFFICACY OF CERTAIN INSECTICIDES AGAINST ONION THRIPS, Thrips tabaci ( LIND.) INFESTING ONION AND GARLIC PLANTS

Journal of Plant Protection and Pathology
Article 3, Volume 2, Issue 2, February 2011, Page 169-178  XML PDF (524.64 K)
Document Type: Original Article
DOI: 10.21608/jppp.2011.84673
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Author
A. A. A. Abd–Allah*
Plant Protection Res. Inst., Agric. Res. Center, Dokki, Giza, Egypt
Abstract
The effect of two natural agents (as adjuvants) on the efficiency of some insecticides (biofly, malathon, nudrin and challenger) were determined by using pneumatic knapsack motor sprayer(Kubota)at 95 L./ fed. against nymphal  and adult stages of Thrips tabaci  infesting onion and garlic plants .The additives used were bio new film(bnf) and glue .The results indicated  an increase of efficiency of the tested insecticides as  a result of mixing with these adjuvants. The effect of(malathon, nudrin, challenger and biofly after malathon) at 0.75 recommended rate on the initial percent reduction nymphs and adult stages of T.tabaci infesting onion at the  1st season seemed to exceed the recommended rate when mixed with (bnf) which caused
59.79, 59.05 , 61.84 ,51.13 and 59.3 , 78.0 , 67.5 , 48.71 %, respectively .     
The same trend were occurred approximately at the 2nd season . Also ,similar results were recorded on garlic plants at the two studied seasons with slightly increase of efficacy. Bio new film exhibited an increase of initial percent reduction, but glue increased the residual effect.  In the respect to the yield of onion and garlic, the highest yield were recorded for plots treated with biofly(3/4R)after malathon(3/4R) mixed with glue (12.69,12.15 and12.34,12.64 ton /fed. )at 1st and 2ndseasons, respectively ,while the lowest yield was recorded for plots were treated with biofly which recorded 8.87,8.56 and 7.87,7.98 ton/fed., respectively. Therefore, it could be decided that the adjuvants (glue and bnf) mixed with the tested insecticides(3/4R)lead to high efficacy.                                      
 
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