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. It is suitable for planting in Fusarium wilt cotton area of Hubei province.
Key points of cultivation techniques: ① two-film cotton, plastic film cotton, nutrition bowl seedling transplanting and other spring sowing cotton density 2500 Mu 2800 plants. ② reduced nitrogen fertilizer in the early stage, and paid attention to increasing potassium fertilizer and topping fertilizer in the middle and later stage. ③ should pay attention to do well the whole process adjustment and optimize the group structure. ④ strengthens integrated pest control in cotton fields. ⑤ should pay attention to clear ditches and drain water and irrigate in time in case of drought.
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A New Cotton Variety-- Guoxin Mian 8
Guoxin Mian 8 (approval number: Guoshimian 2007007) breeding unit: Hejian City Guoxin Rural Technical Service General Association, Institute of Biotechnology of Chinese Academy of Agricultural Sciences, Beijing Guoxin Kechuang Biotechnology Co., Ltd. Characteristics: transgenic insect-resistant mid-early hybrid varieties, the spring sowing growth period in the Yellow River basin is 123 days. The plant shape is loose, the plant height is 105 cm, the number of bolls per plant is 17.2, the weight of single boll is 6.0 grams, the lint percentage is 39.75%, the seed finger is 10.9 grams, and the flowering rate before frost is 92.2%.
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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. Key points of cultivation techniques: (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, suitable sowing date from late March to May.
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