Abstract
The studies were carried out in 2016–2018 in the competitive variety testing of peas on the crop rotation fields belonging to the laboratory of legume breeding and seed-growing of the FSBSI “Agricultural Research Center “Donskoy”, located in the part of the Rostov region with unstable humidity (Zernograd). During the years of research, the meteorological conditions of the pea vegetation were contrast that made it possible to objectively estimate the pea lines in the given weather and climate conditions. In the competitive variety testing, the 18 lines were studied according to economically valuable traits (seed productivity, productivity elements, adaptability to machine harvesting). As a result of the study, the 6 pea lines were identified: 2 lines of the mustache morphotype “G-1002”, “G-1003”; 4 leafy lines “G-1010”, “G-1011”, “G-1013” and “G-1015”. In the group of the mustache morphotype, 2 lines “G-1002” (on 0.30 t/ha), “G-1003” (on 0.39 t/ha) exceeded the grain productivity of the standard variety for 3 years of study on average. The productivity increase was from 12.4 to 16.1%. In the group of variety samples of the leafy morphotype, the line “G-1010” (on 0.31 t/ha) significantly exceeded grain productivity of the standard variety. All the selected lines were tolerant to their seed-shedding. The line “G-1010” (48.8 pc per plant) showed the highest seed yield per plant. The lines “G-1003” (222.1 g), “G-1011” (209.5 g) and “G-1013” (207.8 g) had the largest fineness of grain. The line “G-1010” (8.85 g/plant) demonstrated the highest productivity per plant. However, having a low coefficient of resistance to lodging (0.35), this line has the greatest loss of seeds during harvesting. The identified lines will be used in further breeding work according to a number of their economically valuable traits.
Highlights
The studies were carried out in 2016–2018 in the competitive variety testing of peas on the crop rotation fields belonging to the laboratory of legume breeding and seed-growing of the FSBSI “Agricultural Research Center “Donskoy”, located in the part of the Rostov region with unstable humidity (Zernograd)
In the competitive variety testing, the 18 lines were studied according to economically valuable traits
Having a low coefficient of resistance to lodging (0.35), this line has the greatest loss of seeds during harvesting
Summary
Исследования проводили в 2016–2018 гг. в конкурсном сортоиспытании гороха на полях научного севооборота лаборатории селекции и семеноводства зернобобовых культур ФГБНУ «АНЦ «Донской», расположенного в зоне неустойчивого увлажнения Ростовской области г. В конкурсном сортоиспытании исследовали 18 линий по хозяйственно ценным признакам (урожайность семян, элементы продуктивности, приспособленность к механизированной уборке). В результате исследования выделено 6 линий гороха: 2 линии усатого морфотипа – Г-1002, Г-1003; 4 линии листочкового – Г-1010, Г-1011, Г-1013 и Г-1015. В группе усатого морфотипа в среднем за 3 года исследований по урожайности зерна стандарт достоверно превысили 2 линии: Г-1002 (на 0,30 т/га), Г-1003 (на 0,39 т/га). В группе сортообразцов листочкового морфотипа по урожайности стандарт достоверно превысила линия Г-1010 (на 0,31 т/га). Наибольшим выходом семян с одного растения отличилась линия Г-1010 (48,8 шт./раст.). Наибольшая продуктивность одного растения наблюдалась у линии Г-1010 (8,85 г/раст.). Имея низкий коэффициент устойчивости к полеганию (0,35), у данной линии отмечены наибольшие потери семян при уборке. Ключевые слова: горох, сорт, линия, урожайность, устойчивость к полеганию, устойчивость к осыпанию, крупность семян
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