تأثير الرش بالأسمدة الورقية و المستخلص المائي لعرق السوس في محتوى ثمار صنفين من الحلو من المواد الصلبة الذائبة الكلية و فيتامين ج

Abstract EN

The present study was conducted to test the effect of foliar fertilizers Unigreen 1.5 g/L, Al'Nahrain 5 ml/L, Fertilizer which was produced by Ministry of Agriculture 2 g/L, Mixture of micronutrients 2 g/L and liquid root extract of Glycerrhiza glubra 2.5 g/L.

on total soluble solids and vitamin C of two sweet pepper (Capsicum annuum L.) cultivars namely California wonder and Qurtuba hybrid.

Thirty days after seedling transplanting, the fertilizers were sprayed every 3 weeks.

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Results indicated that Unigreen, fertilizer produced by Ministry of Agriculture and liquid extract showed a significant increased .total soluble solids (TSS) as compared to other treatments for the season 2002.

Moreover the results showed that all treatments significantly increased vitamin C when compared to the control (distilled water only) in the two seasons 2001 and 2002.

The interaction of cultivars and treatments significantly affected TSS and vitamin C.

High content of TSS and vitamin C were found to be higher in Qurtuba than in California wonder.