Watermelon seedlings from the whole branch pressure vine, disk head pinch, notes and other aspects of pruning.
1, the whole branch pressure vine
want to watermelon seedlings melon more, then you need to prune the whole branch, in the main vine of the watermelon seedlings have 8-9 leaves, stay a main vine and two strong side vines, and then the rest cut off, and then wait until the watermelon vine length of 50 cm or so, every 3-4 sections of its pressure vine.
2, pan head pinch
Watermelon seedlings in the fruit into the expansion period, but also need to pan head pinch pruning, it will be the melon before the vine pull back, placed on the side of the watermelon, and then the vine tip cut off, so you can avoid excess nutrient consumption, is conducive to the growth and development of the watermelon fruit.
3, notes
To the watermelon seedlings cut, with sharp scissors, so that the wound is relatively small and flat, pay attention to the pruning part to leave 3-5 cm of the base, so that it heals the wound can not damage to the main branch, scissors should also pay attention to the disinfection of the first before use.
Watermelon dead seedling to how to prevent and control good
1, select disease-resistant varieties
Select disease-resistant varieties is to avoid watermelon dead seedling one of the most effective measures, production is recommended to choose the Jingxin 1, Zheng Miscellaneous No. 5, Hunan watermelon No. 3, Qinghongbao, the new Hongbao, special early Jialong and so on.
2, reasonable crop rotation
To implement a crop rotation system for more than 5 years, in order to reduce the residual pathogenic bacteria in the soil. Generally available corn, soybeans, rice and other crops and watermelon crop rotation.
3, strengthen the management
Strengthen the cultivation management, improve the watermelon plant resistance. Such as the use of deep ditches and high beds or high ridge planting, timely drainage after rain; or the use of formula fertilization technology, the bottom of the fertilizer, increase the application of rotted organic fertilizer or microbial fertilizer, etc..
4, pharmaceutical control
The early stage of the disease in a timely manner with 50% diclofenac aqueous 500-1000 times, or 25% misonidazole emulsion 1000-1500 times, spraying and irrigation combined, each plant irrigation liquid 250-500 ml, every 7-8 days 1 time, 3-5 times consecutive control.