WA 8801 soybean
Variety source: Wafangdian Agricultural extension Center was selected by sexual hybridization.
Characteristics: limited podding habits, plant height 90-100cm, stout stem, 19 nodes of the main stem, 15 branches, one inflorescence at the top of the main stem, white flowers, many short fruit branches in the middle and upper part, high pod setting rate, full seeds, round leaves, gray hairs, luxuriant growth after flowering, living stem mature. The grain is yellow, the navel is yellow, the weight of 100 seeds is 22-23g, and the percentage of complete grains is about 96%. The growth period of spring sowing in this city is about 137. Strong disease resistance.
Main points of cultivation: select the middle and upper fertility plots of non-continuous cropping and facing stubble for seed cleaning, and apply high-quality agricultural fertilizer 1000kg per mu as base fertilizer. Mouth fertilizer is about 15kg per mu, and diammonium carbonate 8-10kg plus potassium sulfate 10-12kg or potassium chloride 8-10kg can also be used, which must be isolated from seeds to prevent seed burning. The best sowing time is around May 1. Hole sowing is 1.0-13000 seedlings per mu. After emergence, artificial hand-to-hand seedlings should be carried out according to the required density. Shovel in time to control diseases and insect pests. Urea 7-8kg per mu during the last trip before flowering.
Experiment and demonstration: participated in the regional trial of soybean varieties in Liaoning Province in 1997, with an average yield of 138.4kg per mu at 9 points.
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Wandou 15 (soybean)
This variety has the advantages of early maturity, high quality, high yield, disease resistance and large grain. It can be used as summer soybean cultivation and early vegetable pod. It is the best variety of ridge bean. It can be planted widely along Huaihe River and Huaibei River. In southern Anhui, it can be planted twice a year, with a yield of 280-380 kg per mu, 150-200 kg per mu in summer and 750 kg per mu of fresh pods. The variety weighs more than 25 grams per 100 grains, and the height is 28-30 grams. It contains 46.4% crude protein and 21.4% oil. Round grain shape, yellow skin, bright umbilicus
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Zhonghuang 13, a new soybean product with the largest area and high yield
Zhonghuang 13, a new high-yield soybean variety supported by the National Academy Director Fund (basic scientific research fee of the Institute of Social Welfare), has become the largest new soybean variety in China, with a record land of 10.87 million mu in 2007. Zhonghuang 13 (Guoshengdou 2001009) was bred by Wang Lianzheng, a famous soybean breeder and researcher of the Chinese Academy of Agricultural Sciences, and was recommended as the main soybean variety by the Ministry of Agriculture for three consecutive years from 2005 to 2007. It takes Yudou No. 8 as the female parent and is made in China.
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