Аграрный вестник Урала № 07 (186) 2019Агротехнологии
The impact of agricultural techniques on seed productivity of potatoes in the conditions of the Southern Urals
The influence of various methods of potato farming on seed productivity of theearly variety “Rozara” and middle-aged variety “Kuzovok” was studied. During the study period, this indicator mainly depended on the density of planting (the contribution of the factor – 67.1 %), the level of mineral nutrition (20.4%) and the genotype (7.2 %). In the wet conditions of 2015 (SCC = 1.60), the influence of the seed embedment depth (17.3 %) increased, in the arid 2016 (SCC= 0.93) the nutrition level (41.0 %) increased, and in a fairly wet 2017 (SCC =1.44) – varieties (30.8 %) and planting dates (8.1 %). The optimal combination ofagricultural methods was established, which provides the highest harvest oftubers of seed fraction per unit area – thickened planting (75×19 cm) on theincreased background of mineral nutrition: for the variety “Kuzovok” – June 5–12 to a depth of 10–12 cm (404 ths. pcs/ha), and for the variety “Rozara” – May 25–29 to a depth of 5–6 cm (378 ths. pcs/ha) and 10–12 cm (383 ths.pcs/ha). The thickening of the plantings from 49 to 70 thousand tubers per 1 haincreased the seed productivity of the “Rozara” variety on average by 36.7 %,“Kuzovok” – by 25.8 %. The increase in the mineral level was accompanied by anincrease in this indicator in the “Rozara” variety by 21.4–30.8 %, and thevariety “Kuzovok” – by 18.9–30.3 % compared to the control (without fertilizers). An early planting (May 5) led to a decrease in the collection oftubers from the seed fraction per hectare of “Rozara” variety, on average, by 41.1 % compared with planting in the second decade of May, by 49.2 % compared with planting at the end of May, and in “Kuzovok” – by 14.1 and 26.0 %,respectively. Deep embedding of planting material contributed to a significant increase in seed productivity of potatoes during the late planting season ofthe “Rozara” variety – by 3.8%, “Kuzovok” – by 10.1 %.
potato, seed productivity, nutrition level, planting time, planting density, landing depth
1. Kruzhilin I. P., Dubenok N. N., Mushinsky A. A., Nesvat A. P. Efficiency of potato cultivation under irrigation in the steppe zone of the Urals // Reports of the Russian Agricultural Academy. 2015. No. 1–2. Pp. 23–26.
2. Kolobov O. S., Maluchenko O. P., Shalaeva T. V., Shanina, E. P., Shilov I. A., Alekseev Y. I., Belisheva N. C. Genetic certification of potato-based multiplex analysis of 10 microsatellite markers // Vavilov Journal of Genetics and Plant Breeding. 2017. Vol. 21. No. 1. Pp. 124–127.
3. Dubenok N. N., Mushinsky A. A., Vasilyev A. A., Gerasimova E. V. Potato cultivation technologies in the steppe and forest-steppe zones of the southern Urals under irrigation // Achievements of science and technology of agriculture. 2016. Vol. 30. No. 7. Pp. 71–74.
4. Mingalev S. K. Reaction of different potato varieties to planting dates in Sverdlovsk region // Agrarian Bulletin of the Urals. 2016. No. 2. Pp. 47–51.
5. Vasiliev A. A. Dependence of potato yield and quality in the forest-steppe zone of the southern Urals on the level of mineral nutrition and planting density // Reports of the Russian agricultural Academy. 2014. No. 5. Pp. 25–28.
6. Karpuhin M. Yu. The technology of potato cultivation in the middle Urals. – Ekaterinburg, 2016. – 15 p.
7. Magomedov N. R., Serderov V. K., Magomedov G. S. Innovative adaptive technology of cultivation of potato varieties in the foothill of the province of Dagestan // Mining agriculture. 2016. No. 4. Pp. 87–89.
8. Shanina E. P., Klyukina E. M. Potatoes in the Urals. – Ekaterinburg, 2018. – 20 p.
9. Dospekhov B. A. Technique of field experience. – Moscow : Agropromizdat, 1985. – 351 p.
10. Biktimirova E. V., Shaldaeva E. M. The development of rhizoctoniosis on seedlings of the varieties “Red Scarlet” when placed along different predecessors // Actual problems of agro-industrial complex: proceedings of scientific-practical conference dedicated to the 80th anniversary of Novosibirsk State Agrarian University. 2016. Pp. 9–12.
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