Yudou 22 soybean
The varieties were selected by the Institute of Economic crops, Henan Academy of Agricultural Sciences.
The examination and approval situation was examined and approved by the National crop Variety approval Committee in 2000.
The growth period of this variety is about 100 days, which is a medium-mature variety. Its root system is developed, the seedling stage is prosperous, the stem is stout, the number of nodes in the main stem is up to 22, the branches are medium, the plant is erect, the plant height is about 100 cm, and the lower part of the leaf is dark green. Resistant to mosaic mildew, moderate resistance to heart borer and cysticercosis, resistance to soybean gray spot and purple spot, etc. The drought resistance is medium to high.
The suitable area is suitable for planting in Henan, Jiangsu and northern Anhui provinces in the south of Huang-Huai region.
Note: the plant of this variety is tall and tall, and attention should be paid to prevent lodging in cultivation.
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Yudou 24 (soybean)
Yudou 24 is a new mid-maturity, disease-resistant and high-yield soybean variety bred by the Institute of Agricultural Sciences in Zhoukou area of Henan Province. The parent combination is: [(Yudou 15 Yudou 10) F1max / (Sidou 11 / week 8460) F1] F1Accord / [(Sidou 11 / week 8460) F1max / (Zhou 85054 / Zhou 8265) Fl] F1. Yudou 24 is a mid-mature summer soybean variety with an average growth period of 104 days in Henan Province. Limited podding habit, plant height 70 cm, relatively resistant to lodging, effective branching per plant
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Yudou 21 (soybean)
According to the principle of selection and breeding of excellent × superior parents, the new soybean variety Yudou 21 was bred by the Economic crops Research Institute of Henan Academy of Agricultural Sciences after 10 years and 11 generations of directional selection in 1986, with Yudou 10, a medium-maturing variety with large grain, high yield and disease resistance, as its female parent and Yudou 6, a multi-branched, dense pod, high quality and multi-resistant small grain variety as its male parent. The growth period of Yudou 21 (Zhengshuangjiao 8603-1) is 105 days, which is a mid-mature variety. Limited podding habit, plant erect, plant height 8
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