MySheen

A New Cotton Variety-Jimian 21

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, Characteristics: this variety (formerly known as Han 78mur91) is an early-maturing low-phenol cotton with a growth period of 110 days and good early maturity. The plant is taller, the stem is stout, the fruit branch is slightly loose, the leaf is larger and the leaf color is light. The seedlings emerge quickly and grow well in the whole growth period. The leaves are smooth and concentrated. Resistant to wilt, resistant to yellow wilt. The weight of the bell is 4.7 grams and the clothing 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 the control. The fiber 2.5% span is 27.3 mm, which is 22 grams stronger than that.

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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