GROWTH AND YIELD OF TWO EGGPLANT CULTIVARS DURING SUMMER PLANTATIONS AFFECTED BY FOLIAR SPRAY WITH SOME SAFETY MATERIALS

Document Type : Original Article

Authors

1 Hort. Dept., Fac. Agric., Zagazig Univ., Egypt

2 Central Lab. of Organic Aric. Res. Cent.,Giza, Egypt

Abstract

Two field experiments were carried out during the two summer seasons of 2019 and 2020 in the private  Vegetable Farm, Abou-Hammad District, Sharkia Governorate, Egypt . The  aim of this experiment was  to study the effect of  foliar spray with  vermicompost tea (VCT)  as a natural fertilizer ( 2.5 and 5 ml /l ) and  yeast extract (YE) as bio- stimulant  ( 15 and 30 g / l) , as well as  sprayed with water  on vegetative growth and yield and its components of  two eggplant  cultivars  ( long black and  long white as long slender fruits ). Foliar spray  of two cultivars  of eggplant grown in sandy loam soil during summer plantations  with vermicompost tea at 2.5 or 5ml /l and yeast extract at 15 and 30 g /l increased vegetative growth and  fruit yield compared to foliar spray the same cultivars with water (control) . Spraying long black  cultivar plants with vermicompost tea at 5 ml /l recorded the tallest plants  and gave the highest number of both leaves and  branches/ plant, fresh and dry weight of  branches , leaves and shoots /plant, chlorophyll a, b, total (a+b) and carotenoides in leaf tissues,  average number of fruits/plant, average fruit weight, yield / plant , total yield /fad. and  fruit length and diameter.

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