EFFECT OF SPRAYING NUMBERS OF SOME FOLIAR INSECTICIDES ON CONTROL OF CONVOLVULUS BEETLE INSECT SPERMOPHAGUS SERICEUS (GEOFFR) (COLEOPTERA:BRUCHIDAE) IN CROP SOYBEAN PLANTS (GLYCINE MAX)

Document Type : Research articles.

Authors

1 Marshes Research Center/Uni of Thi-Qar

2 Department of /college of Agriculture /Uni of Somar

3 Department of plant protection /college of Agriculture /Uni of Al muthanna

Abstract

Study was applied in field in the Radwaniyah region west Baghdad during
agriculture season 2015 from 15/5/2015 until 1/11/2015, to evaluate efficiency of
some foliar insecticides in reducing population insect convolvulus beetle
Spermophagus sericeus (Geoffr) (Coleoptera:Bruchidae) on soybean crop (Lee74
variety) .
The results showed that the heghest of total average numbers of insect pect
was in control treatment 1.47 and 1.2 insect/plant in the first and second spray
respectively with significant difference from other treatment and associated with
the less average of 100 seeds weigh that was 8.94 and 9.50 gm in the first and
second spray respectively, The less of total average numbers insect pest in one
spray tseatnet was 0.13 insect/plant in Confidor treatment and associated with the
highect average of 100 seeds weigh that was 9.45 gm , in two spray the lreatneut
of total average numbers of insect pest was in Actara application 0.07
insect/plant) and associated with average of 100 seeds weight that was 9.91 gm
with not significant difference between seeds weight in one and two spray .

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