Feike 228 cotton
Feike 228 cotton is a new cotton variety with insect resistance and disease resistance containing two insecticidal genes Bt and GPT1. It passed the national wheat interplanting cotton regional test in 2001 and was recommended to participate in the national and provincial production test in 2002.
Variety characteristics: plant height 82 cm, growth period 126 days, stout stalk, lodging resistance, boll weight 6.2 grams, lint percentage 41%, thin boll shell, smooth and concentrated leaves, lint white color, cashmere length 30.1 mm, resistance to Fusarium wilt and Verticillium wilt, outstanding resistance to cotton bollworm.
2. Cultivation key points the suitable sowing date of this variety is in the middle and late April, and it is planted by plastic film mulching or nutrition bowl. The suitable number of high water and fertile land is 18002200 plants per mu, and the general plot is about 2500 plants per mu. This variety can be popularized and planted in Huang-Huai cotton area and other places.
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Effect of dry sowing Wet Water output on Cotton
In recent years, with the large-scale popularization of conventional drip irrigation, drip emergence of cotton after sowing has become a conventional technique, which has been adopted by most cotton planting areas. Dripping water at an appropriate time can not only avoid the final frost in April, but also the emergence of cotton seedlings is neat and consistent, the growth potential is better, and it is convenient for field management. However, the amount of water dripping out of seedling water varies from place to place. Our region is a sub-suitable cotton area, there are more cold weather in spring every year, the final frost is mostly around April 20, and the temperature of cotton seedling stage is lower. Cotton root rot is coming back.
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Textile knowledge: analysis of similarities and differences between Chinese and American Cotton grading Standards
The United States is a big country in cotton production and consumption in the world. Half of the cotton produced each year is used for domestic consumption and half for export. Therefore, the cotton standard of the United States has an important influence in the world and is used by 24 countries and regions, which is also known as the universal cotton standard. The following is a brief introduction to the similarities and differences between Chinese and American cotton grading standards: cotton grade is the reflection of cotton quality and comprehensive performance, and there is a cotton grade test in the cotton standards of most cotton-producing countries in the world. In the American cotton standard
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