Application of the immunostimulant zerox for determination of leaf surface, dry mass and net productivity of photosynthesis of cotton plant

In this article, information about universal and triple contact actional ZEROX immunostimulant at 3 various (1-2-3 l/t and 1-2-3 l/ha+Surfactant 0.15 l/ha) norms and different (pre-sowing to cotton seed was treated, 2 - 4 true leaves, shading, flowering) periods when it affected to Bukhara 10 cotton on variousnumbers of seedlings are presented. Research has shown, when in pre-sowing of seed 2 l/t and 2 l/ha in vegetation periods of ZEROX immunostimulant in the number of left seedlings 80 - 90,000 plant/ha of Bukhara 10 cotton it was treated, it was determined that the highest leaf surface (11500 sm2), dry mass (604 g), pure photosynthesis efficiency (11,5 g/m2) was obtained.

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