There is plenty of room for cotton variety selection.

Recently, many readers have asked for help from this newspaper in order to buy seeds of new varieties of insect-resistant cotton and hybrid cotton. Due to the shortage of seed sources and the tight market, most readers have not been able to do so. Facing the cotton seed supply situation this year, how can cotton farmers select cotton varieties suitable for themselves? After contacting with the relevant departments such as the planting station of the Agriculture and Forestry Department of Jiangsu Province, the author thinks that there is still a lot of room for cotton varieties to choose.

For cotton farmers preparing for intercropping cotton fields, it is of course best to select cotton varieties with strong plant growth and good insect resistance, which can expand cotton row spacing, facilitate the growth of intercropping crops, and reduce pesticide application to reduce pollution to intercropping crops. hybrid cotton varieties such as nankang no. 3 and zhongmiansuo no. 29 have these advantages. however, due to the lack of seed sources and the artificial speculation in some places, the seed price has risen to 200 yuan per kilogram. blindly pursuing these varieties will cost dozens of yuan more per mu. cotton farmers must not blindly introduce large-scale hybrid cotton varieties that have not been tested and planted and approved by relevant departments in our province, otherwise it is difficult to guarantee lint yield and insect resistance.

Suza 16, a hybrid cotton variety, grows strongly and is suitable for intercropping cotton field after many years of large-scale planting, and Sukang 103, an insect-resistant cotton variety, has good insect-resistant effect and good characters in all aspects. these varieties have relatively many seed sources, and the majority of cotton farmers can choose them.

For cotton interplanted with wheat and cotton interplanted with pure cotton, there is more room for variety selection. Sumian 9, Sumian 12, Sumian 15, Sumian 16 and Sumian 18, which have been popularized widely in recent years, have good yield and quality, so they can be selected.

Towns with high degree of organization, which can implement centralized continuous planting and unified recovery of seed cotton, can also apply to the local county agricultural technology department to organize the planting of high-quality cotton Chongqing No.1 and develop local industrial production of high-quality cotton.

the relevant departments have specially reminded us that cotton farmers should enhance their awareness of self-protection and purchase cotton seeds introduced through regular channels from local agricultural technology departments under the condition that cotton seeds are relatively scarce this year, so as to ensure that they can steadily reap higher benefits from cotton planting under the situation of relatively high cotton prices.