06. Efficiency of immunologic researches in stabilization of productivity of sunflower

https://doi.org/10.31073/agrovisnyk201705-06
Kyrychenko V. V., Petrenkova V. P., Kolomats'ka V. P., Borovs'ka I. Ju., Jegorova N. Ju.
Pages: 33-36.

Full article: 
Abstract
The purpose. To determine genotypes of sunflower with high level of resistance to agents of false mildew, phomopsis and gray mould. Methods. Field, laboratory, statistical. Results. 21 high-yielding hybrids of sunflower with high disease resistance are created by the method of using in selection program genotypes with chosen attributes. Conclusions. The variance in productivity of hybrid-standard Dariy and newly created hybrids Oreiol and Zlatson makes 0,34 and 0,38 t/hectare that increases index of profit for 1 ton for 52,3 and 483,9 hrn, and level of profitableness – for 2 and 20% accordingly.

Key words: sunflower, selection, hybrid, resistance, sicknesses, immunologic researches, economic efficiency.

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