Gongdou 9 (soybean)
The main results are as follows: (1) Variety source: it was bred by Zigong Institute of Agricultural Sciences in 1994 using Chuanxiangzao 1 as female parent and Jinda 701 as male parent.
(2) characteristics: early-maturing spring soybean, the whole growth period is 105 days, and autumn sowing is about 80 days. Plant height 40.8 cm, erect growth, limited pod habit, white flowers, gray hairs, large grains, 100-grain weight 20.8 grams, seed coat yellow, seed navel brown, seeds oval-shaped, pods ripe brown, pods slightly sickle-shaped. The complete grain rate is 91.9%, the protein content is 43.3%, and the fat content is 18.48%. Wide adaptability, strong disease resistance and lodging resistance, good yield.
(3) yield performance: the average yield per mu in the provincial regional test in 1995-1996 was 145kg, 19.6% higher than that of the control Gongdou 3, and in the 1997 production test, the average yield per mu was 146.1 kg, 15.6% higher than that of the control Gongdou 3.
(4) cultivation points: it is suitable for spring sowing from late March to early April, planting 1. 6-19000 plants per mu, and sowing in autumn on August 10-15. Plant 3-35000 plants per mu.
(5) suitable planting area: suitable for planting in most areas of our province, which can be sowed in spring or autumn, and can be cultivated in clean cropping, intercropping or field ridge cultivation.
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8 attention to the purchase of improved soybean varieties
1. Pay attention to the purity and germination rate of seeds. 2. Pay attention to whether you are committed to free consultation and technical guidance. 3. Pay attention to whether the points are set at random. 4, mail order seeds, pay attention to the local post office remittance, do not put the money in the letter. To write down your detailed address and name, indicate the variety and quantity purchased in the postscript column. 5. Pay attention to the correct trademark and packaging mark. 6. Pay attention to agree on the seed price. 7. Pay attention to whether you are responsible for seed quality. 8. Pay attention to contact by telephone or letter before introduction, or consult the relevant units.
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Gongdou No. 8 (Gong No. 91-1) (soybean)
The main results are as follows: (1) Variety source: it was selected from the cross between Gongdou 7 and D11-1 (an excellent line crossed between Zaoshu 6 and Aojiao early selection line) used by Zigong Institute of Agricultural Sciences. (2) characteristics: the variety has high yield, stable yield, large grain, lodging resistance and virus resistance. The whole growth period was 104 days, 3.5 days longer than that of the control, 1.45 grade of disease resistance, 0.6 grade lighter than the control, 1.1 grade of lodging resistance, stronger than the control, the complete grain rate reached 90.9%, and the 100-grain weight was 23g, 5.8 higher than the control.
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