تقويم كفاءة بعض المساحيق النباتية في حياتية خنفساء اللوبيا الصغيرة Callosobruchus chinensis (Bruchidae : Coleoptera)‎

الملخص EN

The study was conducted to deterrmined the effect of plant powders of Nigila sativa, Piper nigrum and Syzygium aromticum on small cowpea beetle Callosobruchus chinensis when treatment the Pisum sativum , Cicer arietinum , Vigne unguiculata and Vigna radiata seeds with plant powders at 1,2,4 g/100g seeds.

The results revealed that the number of eggs laid by C.chinensis reached in average 8.72 and 11.42 to N.

sativa and S.

aromaticum respectively and the plant powders of N.

sativa was the best.

The progeny Produced was the highest 2.48 at S.

aromaticum while was the lowest in N.

sativa 0.89 .

Results showed inversely correleted between quantity of plants dusts the precentage losse of weight seeds The highest perrcentage 2.54,2.08 and 1.74% was a plant dusts in 4gm amount, While the lowest was of 1gm 5.07,4.7 and 4.37% in S.

aromaticum , N.

sativa and p.

nigrum respectively.

Pisum sativum , Cicer arietinum , Vigne unguiculata and Vigna radiata seeds treatment whit plant dusts have no effects on seeds germination