INFLUENCE OF ECOLOGICALLY SAFE PLANT GROWTH REGULATORS ON YIELD AND QUALITY OF BROCCOLI
2017
E. G. Gadzhimustapaeva
The plant growth stimulating preparations such as Agrostimul, Lignogumat, Ecosil and Organobor (Br) were tested in broccoli. It was shown that variety reaction in dynamic of growth of assimilation apparatus was different when treating with the preparations. The different plant responses were noticed among broccoli cultivars. The data analysis was carried out, where treated with stimulators cultivars were estimated for productivity, early-maturation, output quality, simultaneously-matured heads, duration of vegetation period, and rates of growing in comparison with control variant. As a result of the study, it was shown that economic suitability of broccoli cultivars varied depending on year temperature, and particularly the optimal time when broccoli formed heads. The application of growth stimulating preparations in open field of southern regions is very promising, in order to enhance the adaptability and yield capacity during yearround cultivation and multiple utilization of a soil unit. The treatment of seedlings and vegetative plants after having been planted and at the beginning of head formation with growth stimulating preparation was very effective way to stimulate the growth and development and to hasten broccoli head formation. In our study, the preparation Agrostimul was the most effective in increasing the yield of central heads by 181% in cultivar Burpess, Green Bud and hybrid, Cape Queen by 134%, while the yield of extra heads from the first to the third was increased by 445% and 131%, respectively.
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