MySheen

A new product of cotton-Demian 800f1

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Demian 800F1, a breeding unit, is a new hybrid cotton variety with high yield, high quality and multi-resistance developed exclusively by Denong Zhengcheng seed Industry Co., Ltd. It was approved by Anhui Province in 2005. The whole growth period of this variety is about 134 days, which is a medium-ripe variety; plant tower type, strong growth, strong boll setting, big peach, thin boll shell, smooth boll opening, easy to pick, good cotton fiber quality, lint percentage 42.1%. High resistance to cotton bollworm and red bollworm, high resistance to Fusarium wilt, resistance to Verticillium wilt, three peaches, resistance to high temperature and drought, and

Demian 800F1, a breeding unit, is a new hybrid cotton variety with high yield, high quality and multi-resistance developed exclusively by Denong Zhengcheng seed Industry Co., Ltd. It was approved by Anhui Province in 2005.

The whole growth period of this variety is about 134 days, which is a medium-ripe variety; plant tower type, strong growth, strong boll setting, big peach, thin boll shell, smooth boll opening, easy to pick, good cotton fiber quality, lint percentage 42.1%. High resistance to cotton bollworm and red bollworm; high resistance to Fusarium wilt, resistance to Verticillium wilt, three peaches knot, resistance to high temperature and drought, not premature senescence, strong stress resistance; pre-frost flowering rate 86.5%. High yield and good stability. Participated in the cotton variety regional test in Anhui Province from 2003 to 2004, the average seed cotton and lint yield increased by 20.35% and 20.1% respectively compared with the control Wanza 40F1, ranking first.

In the cultivation technique, the seedlings were raised in a nutrient bowl. The seedlings were sown when the temperature was stable at 15 ℃ in the middle of April and transplanted in the middle of May. The density is 1600 ~ 1800 plants per mu, pay attention to enlarge the row spacing and cultivate the soil. Apply more organic fertilizer and more phosphorus and potassium fertilizer. Reasonable chemical control: use zhuangsu for many times about 10 days after blooming, blooming and topping, pay attention to grasp the principle of being light in front and heavy behind, and shape the type of medium-strong plant.

Pest control pay attention to the control of cotton aphids, red spiders, Spodoptera litura and other pests.

Note that the offspring of this variety cannot be reserved for seed use. Seed coating agent composition: 16% thiram, coated seeds and seedlings are poisonous, should pay attention to safety.

 
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