Productivity of hulless oats under the effect of Microbiological preparation and a plant growth regulator

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Дата
2021-12-04
Автори
Karpenko V., Marchenko K
Назва журналу
ISSN журналу
Назва тома
Видавець
Acta Sci. Pol. Agricultura
Анотація
Investigations were performed to clarify the complex effect of different rates of microbial preparation Melanoriz (Glomussp., Aspergillus terreus, Trichoderma lignorum, Trichoderma viride, Bacillus macerans, Arthrobacter sp., Bacillus subtilis, Paenibacillus polymyxa, total number of viable cells 2.5×107 CFU∙ml-1) under the different methods of using plant growth regulator Agrolight (polyethylene glycol–400+ polyethylene glycol–1500, total content of 770 g∙dm-3, salts of humic acids, 30 g∙dm-3) on the formation of the aboveground biomass by hulless oats plants, net productivity of photosynthesis and grain yield. The experiments were performed in the hulless oats (Avena sativa subsp. nudisativa (Husnot) Rod. et Sold, Avena sativa L. species) of Myrsem variety using generally accepted methods in agronomic practice.
Опис
During the experiment, it was found that the aboveground biomass, net productivity of photosynthesis, grain yield of hulless oats and the thousand grain weight varied depending on the combination of the microbial preparation use in different rates with the plant growth regulator. However, these indicators were the highest in variants of Melanoriz at the rate of 1.5 dm3∙Mg-1 + Agrolight at the rate of 0.26 dm3 ∙Mg-1(pre-sowing seed treatment) followed by spraying the crops with Agrolight (1.0 dm3∙ha-1). The aboveground biomass of oats plants in the flowering stage (BBCH 61–69) increased by 21%, net productivity of photosynthesis – by 13%, grain yield – by 0.86 Mg∙ha-1, thousand grain weight – by 12% under this combination of preparations, which gives grounds for the further use of this composition of preparations in hulless oats with the aim of biologization of its cultivation technologies.
Ключові слова
Бібліографічний опис
Karpenko V., Marchenko K. Productivity of hulless oats under the effect of Microbiological preparation and a plant growth regulator. Acta Sci. Pol. Agricultura. 2021. № 20 (3) P. 113–122.