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川北地区西充县主栽柑桔品种为脐橙,在栽培中以裂果为代表的生理病害长期困扰广大果农。本文总结出了西充县脐橙发生裂果的主要原因。包括:水分变化、树体营养水平、品种差异、砧木、病虫为害、激素变化,提出脐橙裂果的综合防治技术包括品种、砧木选择,合理施肥,保持土壤水分稳定,强化花果管理,防治病虫害。对当前川渝等地脐橙栽培管理有一定的实际指导意义。
The main cultivated orange varieties in Xichong County in northern Sichuan are navel oranges. The physiological diseases represented by the split fruits in cultivation have long plagued the majority of farmers. This article summarizes the main reasons for the occurrence of cracks in navel orange in Xichong County. Including the change of water content, the level of tree nutrition, the variety difference, the stock of rootstock, pests and diseases, the hormonal changes, and put forward the comprehensive prevention and control technology of navel orange crack including variety, rootstock selection, reasonable fertilization, keeping soil moisture stable, strengthening flower and fruit management, . The current Sichuan and Chongqing and other places umbilical orange cultivation and management have some practical significance.