A New Cotton Variety-E Kangmian 7
Brief description of the variety:
This variety (formerly known as Jing 96273) belongs to the type of mid-early maturity with a growth period of 140days. Neat, the seedling is weak, the growth is strong in the middle and later stage. The plant is tall, the plant type is loose, the stem is stout, and the leaf is larger. The boll weighs 6.1 grams, oval and concentrated. The clothing percentage is 41.3%. High resistance to wilt and yellow wilt. The fiber is of good quality.
The main points of cultivation techniques are as follows: (1) re-application of farm manure or organic fertilizer as base fertilizer; (2) seedling transplanting in nutrient bowl, early cotton cultivation with plastic film and direct seeding in spring, which is suitable for sowing from late March to early May. (3) 2500 plants per mu of medium fertility and 12.5kg of pure nitrogen per mu. (4) wide rows and dense plants, ridging and cultivating soil before flowering. (5) heavy application of flower and boll fertilizer and increase of potassium fertilizer. (6) timely prevention and control of diseases and insect pests; active adjustment after budding, a small number of times, so that discoloration does not deform. (7) the Beginning of Autumn hit the top before and after.
This kind of cotton participated in the regional test of disease resistance in the Yangtze River Basin and the production test in 1995 from 1993 to 1994, and was examined and approved by Hubei Variety approval Committee in 1997. The average yield of lint increased by 4.88% in the regional test of the whole basin, 6.96% in the middle and lower reaches of the Yangtze River, and 12.46% in the production test. The fiber is longer, the strength is higher, and the comprehensive spinning performance is better. The boll is larger, the lint percentage is high, and the opening is concentrated. High resistance to Fusarium wilt.
After examination, in line with the national variety approval standards, approved and approved. This variety is suitable for planting Fusarium wilt in the middle and lower reaches of the Yangtze River basin.
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A New Cotton Variety-E Kangmian 8
The plant height is about 130cm, the branches and leaves are sparse, the leaves are medium and large, the color is light, the hairs are less, the stems are medium and less hairy, the bolls are oval, the single boll weight is 5.5g, the lint percentage of the small sample is 39.13%, the lint percentage of the large sample is 38.55%, the lint index is 7.06g, and the seed index is 10.9g. Smooth catkins, high resistance to Fusarium wilt and Verticillium wilt. 2.5% span 31.9mm, specific strength 22.19g/tex, micronaire value 4.4. The general lint yield per unit area is about 79.2kg/ mu. Suitable for Hubei Province to wither
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A New Cotton Variety-E Kangmian 3
The plant height is about 110cm, the leaf is larger, the leaf color is light; the fruit branch is clear and handsome, the distribution is uniform, the stem, branch, leaf and boll are smooth, the hairs are few; the boll is oval, the single boll weight is 5.54g, the lint percentage is 39.72%, and the seed index is 11.4g. The whole growth period is about 142 days. The resistance to Fusarium wilt and susceptibility to Verticillium wilt were identified in the regional test of resistance to Verticillium wilt in the Yangtze River Basin from 1995 to 1996. In 1994, the plant protection room of China Cotton Institute identified high resistance to Fusarium wilt and resistance to Verticillium wilt. 2.5% span 31.5mm, specific strength 21.6g/tex, micronaire value
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