Kexin No. 6 (soybean)
I. Source of varieties
The Institute of Genetics of Chinese Academy of Sciences used "Yudou 2" as parent material and used chemical mutagenesis repetitive treatment technique, which was bred in 1996. The original variety code is "E44". It was approved by Beijing in 2001.
2. Characteristic characteristics
Spring sowing soybean varieties, the growth period is 135-138 days. Sub-limited podding habits, branch number 2-3, plant height 110 cm, main stem node number 22-25, grain number per plant 92.7, 100-grain weight 22 g. Seeds elliptic, yellow, yellow navel. Lodging resistance, resistance to soybean mosaic virus. The average yield per mu in the regional test is 140.6 kg.
Quality analysis: protein content 47.22%, fat content 18.66%, up to the quality standard.
III. Key points of cultivation techniques
Sow seeds with sufficient moisture from April 25 to May 15 to ensure that the seedlings are uniform. In the high fertilizer and water land, there are 0. 8-9000 plants / mu and 1. 0-12000 plants / mu in the general plot. Timely watering and weeding should ensure adequate fertilizer and water at flowering stage, podding stage and grain filling stage of soybean. Harvest in time after maturity.
IV. Areas suitable for planting
It is suitable for spring sowing in Beijing.
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Kennong No. 4 soybean
Kennong No. 4 was bred by Bayi Agricultural Reclamation University of Heilongjiang Province and approved by Heilongjiang crop Variety approval Committee in 1992. The growth period of this variety is about 120 days, and the active accumulated temperature is 2400 ℃ ~ 2500 ℃. Plant height 80-90 cm, white flowers, pointed leaves, gray hair, sub-limited podding habits. The grain is round, the seed coat is yellow, the gloss is good, the navel is colorless, the weight of 100 grains is about 20 grams, the fat content is 22.03%, and the protein content is 41.25%. Strong stalk, like fertilizer and water, medium resistance to gray leaf spot. Suitable area
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Kexin No. 5 (e262) soybean
(quality examination Registration No.: 0104005-2000) 1. The variety was bred by the Institute of Genetics, Chinese Academy of Sciences in 1995. Ludou No. 4 was used as the parent material for chemical mutagenesis. It was approved by Beijing in 2000. 2. Characteristics: spring sowing growth period is 140-143 days, plant height is 100-105 cm, summer sowing growth period is 99-102 days, plant height is 60-70 cm. The plant type converges. Leaves oval, dark green, deciduous at maturity, white flowers, gray velvet. Knot
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