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2020, № 86

UDC: 633.71:631.811.98
GSNTI: 68.33.29, 68.35.39, 68.37.31

Increasing tobacco productivity and quality by utilizing growth stimulator Melafen

On the experimental base of All-Russian Research Institute of Tobacco, Makhorka and Tobacco Products efficiency of growth stimulator Melafen for tobacco growing in conditions of the Krasnodar Territory has been studied. Efficient concentration of growth stimulator Melafen - 0.05% has been determined by laboratory experiments. Treatment of seeds by this solution forg 3 hours before sowing increases mass of tobacco germs by 81%. Soaking of seeds in solution of growth stimulator with efficient concentration before sowing in combination with further treatments on basic stages of plant development “cotyledone” and “ready for transplanting” (before pulling out) led to increasing plant length to growing point - by 40%, to leaf tips - by 26%, seedling stalk diameter at root zone by 24%, above ground plant mass by 97%, roots - by 34%. Output of standard seedlings has increased by 30%. Improving of seedling transplanting stress stability due to improved roots has been noticed. Seedling establishment after transplanting increases by 10 %. Rooting time decreases by 5 days. Due to the so called “prolonged effect of seedling quality” increasing of growth rate by 51% is observed at the beginning stage, accompanied by middle leaves area increase by 25% and by proved increasing of productivity by 7 c/ha (25%) (HCP05=1.88). The income resulting from growth stimulator Melafen application during seedling period is 410 rubles/m2 and during the field period it is 140 ths. rubles/ha.
Keywords: Tobacco, seeds, mass, seedling, quality, plant growth stimulator Melafen, seedling, productivity, efficiency.
DOI: 10.21515/1999-1703-86-90-96

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Authors:

1. Plotnikova Tatyana Viktorovna, Phd in Agriculture, FGBNU "All-Russian research institute of tobacco, makhorka and tobacco products".
2. Tuytuynnikova Evgeniya Mixailovna, senior researcher, FGBNU "All-Russian research institute of tobacco, makhorka and tobacco products".
3. Salomatin Vadim Aleksandrovich, DSc in Economics, FGBNU "All-Russian research institute of tobacco, makhorka and tobacco products".