Сафлор красильний як перспективна олійна культура в умовах Лісостепу Західного / Safflower as perspective olive culture in the conditions of Western Forest Steppe
Journal Title: Вісник Львівського національного аграрного університету. Агрономія - Year 2018, Vol 22, Issue
Abstract
It is shown the results of the research productivity dependence of different safflower varieties on methods of sowing and growth regulator application – rehoplant in the terms of Western Forest-Steppes.Research has found that the best way of sowing of studied safflower varieties is the type of twin row (19×38×19 сm), exceeding the yield control variant (45 cm row spacing) on 1,0–3,0 q/ha. The use of growth regulator rehoplant in phase of stemming has provided excess yield of safflower varieties: Soniachny – by 0,8–2,5, Lagidnyi – 0,7–2,3 q/ha. Regarding the methods of sowing, in the cultivation of both varieties, a similar trend was observed in the formation of yields, the optimum was seeding by the type of Twin row (19x38x19 cm). This result is obviously the result of the optimal placement of plants in the field, reducing the competition for the energy source, which increases the efficiency of the use of growth resources - light, water, nutrients as a soil part of the plant - both its roots and its terrestrial part. In the experiment using the growth regulator, the difference in weight of 1000 seeds was established, first of all, in terms of varieties: the Soniachny variety was distinguished by more weighty seeds; with a weight of 1000 seeds it exceeded the Lahidny variety. Regarding the effect of regaplant, it was more effective when spraying crops, exceeding the control of the variety Lahidny it was 4,1, and the Soniachny variety – 5,4 grams, which is a very significant excess. The content of husk in the seed of safflower of the Soniachny variety was slightly higher, compared to the Lahidny variety, the difference varied within 1,2–1,9 %.
Authors and Affiliations
S. Solonenko
Keywords
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