板栗空棚的发生原因与综合防治技术

The Causes to Empty Shell of Chestnut and Corresponding Techniques to Control

通过对板栗空棚发生的防治试验与实践,板栗空棚发生是由于栗林长期实生繁殖,品种低劣,树体营养不良,栗树缺硼授粉不良等原因造成的。采取选用优良品种,合理配置授粉树,人工辅助授粉,控制过量生长,加强土肥管理,合理修剪,综合防治病虫害等技术措施,防治效果明显。

The observation and experiment showed production of chestnut has been following the practice of seed sowing,resulting in quality reduction and malnutrition of plants as well as the ill-pollination,leading finally to the empty shell.In order to prevent empty shell,measures like selection of fine variety matched with pollination trees joint with artificial pollination,control of fast growth,well provision of fertilizer and irrigation,pruning and disease and pest control will generate effective result.