Palamarchuk V.D.
Pages: 24-32.

Full article: 

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Abstract

The purpose. To study dependence between amount of normally formed mealies and foliar top dressings with microfertilizers Ekolist Monozinc and Rostok Kukurudza, bacterial preparation Biomag and growth regulator of plants Vympel at hybrids of corn of different groups of ripeness. Methods. Field, laboratory and statistical. Results. At foliar top dressings the amount of normally formed mealies increased. The greatest amount of mealies was in group of middle-ripening hybrids — 1,24 pieces, whereas at early ripening hybrids it made 1,09 pieces, and at middle-early ripening hybrids — 1,14 pieces on the average for years of probes. The amount of normally formed mealies essentially depended on genetic features of each hybrid, the greatest amount of mealies in group of early ripening hybrids is fixed for DKS 2960 and DKS 2971 — 1,13 pieces, in group of middle-early ripening hybrids — DKS 3472 — 1,24 pieces, and DKS 3420 — 1,13 pieces, in group of middle-ripening hybrids — DK 391 and DK 440 —1,31 pieces Conclusions. Foliar top dressings ensured growth of amount of normally developed mealies in comparison to control on 0,01–0,05 pieces, but this growth was below the least essential variance. Increase of amount of foliar top dressings with microfertilizers, growth regulator of plants and bacterial preparation did not ensure growth of amount of mealies on a plant. The most essential growth of amount of mealies for a plant (0,03-0,1 pieces) in comparison to control was fixed in alternative with microfertilizer Ekolist Monozinc.

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Key words: corn, mealie, hybrid, top-dressing, specimen, microfertilizer, growth regulator, agrotechnique, ripeness.

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