A New Cotton Variety-Jimian 21
Characteristics: This variety (original name Han 78-91) belongs to early-maturing type of low-phenol cotton, growth period of 110 days, early-maturing good. Plant taller, stem stout, fruit branches slightly loose, leaves larger, leaf color light. Emergence fast, the whole growth period grows well. The leaves are smooth and concentrated. Resistance to withering, resistance to wilting. The bell weighs 4.7g and the lint percentage is 34.7%. In the national summer cotton regional test and production test, the lint yield before frost increased by 10.9% and 19.6% compared with CK. Fiber 2.5% span length 27.3 mm, specific strength 22 g tex, micronaire value 5.1.
Key points of cultivation technology: interplant in@#@245@#@big row from May 20 to 25, cover lightly, water after sowing. After wheat harvest, timely stubble cleaning, watering, thinning and seedling determination. The density per mu is 6000-8000 plants. Thrips and red spiders should be controlled in seedling stage, cotton bollworm and aphid should be controlled in bud and boll stage. 15-20 kg urea per mu in bud stage. On July 20, the neck was cut, leaving 7-9 fruit branches. From early flowering to boll setting, spray 2-3 times of nectar.
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A New Cotton Variety Jiza 2
Jiza No. 2 (approval number: national cotton 2007005) breeding unit: cotton Research Institute of Hebei Academy of Agricultural and Forestry Sciences and Institute of Biotechnology of Chinese Academy of Agricultural Sciences. The growth period of spring sowing in the Yellow River valley is 122 days. Plant shape is loose, plant height 102 cm, boll per plant 16.2, single boll weight 6.7 grams, lint percentage 39.2%, seed finger 11.1 grams, pre-frost flowering rate 93.9%. High resistance to Fusarium wilt, Verticillium wilt and cotton bollworm. Yield performance: 2
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A New Cotton Variety-Jifeng 106
The new cotton variety "Jifeng 106" selected by Cotton Research Institute of Hebei Academy of Agricultural and Forestry Sciences (postcode: 050051, telephone: 0311-87652070) passed the variety approval of Hebei Province not long ago. This variety has large bolls, oval shape, open bolls, fat and easy to pick, and good fiber quality. High resistance to Fusarium wilt, Verticillium wilt, cotton bollworm, drought and salt tolerance, wide adaptability, good early maturity, high pre-frost flowering rate, easy to manage. The growth period is 130 days, there are 16 bolls per plant, the single boll weight is 6.2 grams and the lint percentage is 4.
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