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Green Microalgae Water Extract as Foliar Feeding to Wheat Plants

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Author(s): Mahmoud M. Shaaban

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 4;
Issue: 6;
Start page: 628;
Date: 2001;
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Keywords: Wheat | green algae extract | foliar feeding | nutrient status | yield

ABSTRACT
The effect of green alga Chlorella vulgaris cell extract in water as foliar feeding on nutrient status, growth, and yield of wheat plants (Triticum aestivum L. var. Giza 69) was studied and compared to a micronutrient foliar fertilizer. Algae cell extract was superior in increasing both concentrations and uptake of all the studied nutrients in plant shoots. As a reflection to the nutrient status improvement, fresh and dry biomass accumulation in the shoots increased. 50 % v/v algae cell extract (T2) was the best significant in fresh weight increase (led to 60.7 % increase over control). 100 % algae cell extract (T4) was the best significant, where it led to 95 %, 60 % and 160 % increase over control in dry weight, spikes weight and 100 grains weight respectively. However, T2 resulted in significant increases in yield (more than 140 % over control) and grain weight (more than 40 % over control). Micronutrient foliar fertilizer increased the spikes weight and 100 grains weight by only 90 % and 22 % over control, respectively.
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