أهمية المستحضر الحيوي لبكتريا Bacillus subtilis في نمو نباتات الذرة الصفراء المخزنة لمدة ثلاثة أشهر من الإصابة بالفطرين A. niger و A. flavus

الملخص EN

Treated seeds are cultured after three months of storge , and germination rate reached to 100% when compared with control 83% (seeds not treated with the bio formulation or any of the two fungi) ,were reduction in damping off from 83% to 0% by using the bio formulation at the concentration of 20 gm/kg with the presence of incuolum A.niger .

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The estimation of Macro and Micro mineral elements in leaves of plants result from seeds that treated with the bio formulation at the concentration 5 gm/kgm after three weeks ,The Nitrogen , phosphor and Iron rate were 0.96, 0.52 and 0.064 mg/L respectively ,Also , chlorophyll a & b in the leaves of plants result from seeds that treated with the bio formulation especially at the concentration of 20gm/kg.

The amount of chlorophyll a & b were 5.3 and 3,4 mg/100 gm constantly