تأثير مستخلص المركبات القلوانيه الخام لبذور الفلفل الأسود Piper nigrum و ثمر الفلفل الحارCapcicumannum في الأدوار غير البالغة لحشرة عثة التمور Ephestiacautella (Walker)‎ (Lepidoptera : pyralidae)‎

Abstract EN

A series of experiments were conducted to evaluate the effectiveness of compoundalkaloid extract crude seed of black pepper Piper nigrum and fruit chili Capcicum annummortality the non-matured phaseof moth Ephestiacautella dates bug .where I found a direct correlation in the mortality rates in the eggs and the pupa stages virgins for aisterent insect by increasing the concentration of the extract.(77.6,76.67,90)% respectively at concentration 20mg/ml compared with (9.73, 16.3, 15.8)% in control tretment .

It wasIsolation and identification of active compounds from the crude extract of alkaloid compounds of chili peppersu and found four effective compounds are: 4-o-4-m-2-pentanine, Nonivamide, Capsaicin, 2-dihdrocapsaicin.whichconstitute 25,10,25,25 respectivly.