INFLUENCE OF ELEMENTS OF CROP TECHNOLOGY ON PRODUCTIVITY AND QUALITY OF SEEDS GUIZOTIA

oleh: T.Ya. Prakhova, A.N. Kshnikatkina, A.P. Medvedev

Format: Article
Diterbitkan: Editorial and publishing department of FSBEE HE Penza SAU 2020-03-01

Deskripsi

The research objective was to study the productivity of Guizotia abyssinica, depending on the seeding rate and methods of sowing. The study of technology elements was made in 2017-2019. Three seeding rates from 1.0 to 3.0 million germinating seeds per hectare were studied against the background of a wide-row and row sowing. Field germination of crop ranged from 84.9-86.6%. There is also a tendency to increase it by 0.7-1.0% by the row sowing. By the wide-row sowing, field germi-nation varies between 86.3-86.6% and does not vary significantly depending on the seeding rate. The survival capacity of plants ranged from 92.5 to 94.2% according to variants. The highest values of this indicator (94.2%) were obtained in the variant with a seeding rate of 3.0 million by the row sowing. The optimal conditions for the formation of productivity were established in 2017. The highest seed yield (1.69-1.83 t/ha) was obtained regardless of technology elements. High seed yields were ob-served in the variant with a seeding rate of 2.0 million germinating seeds per hectare by the row sow-ing and amounted to 1.74-1.83 t/ha. In this variant, the seeds were characterized by high oil content of 41.8 and 41.9%. The largest seeds formed at a seed rate of 1.0 million (3.67 g). With an increase in the seeding rate, the weight of 1000 seeds decreased. The linoleic acid content ranged from 71.5 to 78.0% according to the experimental variants. The amount of oleic acid is 5.4-7.7%, depending on the element of agricultural technology.