论文部分内容阅读
2007～2011年对中国猕猴桃集中产业带的冻害情况进行了调查。结果表明:陕西关中中西部地区冻害发生具有普遍性和频繁性;“红阳”品种最重,“徐香”次之;冻害程度与树龄和树势有关,以初挂果果园和长势过旺的幼树发生比较严重,树冠上主要危害1 a生枝条,树干的受冻部位主要在地面以上至50 cm以下这个区段;应对措施包括园地选择和品种选择,提高嫁接部位,柴草包裹树干,控制生长,备根蘖苗进行桥接,减少花果量和枝叶量,材料包扎伤口等。
From 2007 to 2011, the freezing damage of Chinese kiwi industry was investigated. The results showed that the occurrence of frost damage in the central and western Guanzhong area was universal and frequent; “Hongyang” was the heaviest species and “Xu Xiang” was the second; and the degree of frost damage was related to the tree age and tree vigor. Young saplings overgrowth occurred more serious, the main damage on the canopy 1 a raw branches, the trunk of the frozen parts of the ground above the ground to 50 cm below the section; response measures include garden selection and variety selection, improve grafting sites, firewood Wrap the trunk, control the growth, prepare the tillering seedlings for bridging, reduce the amount of flower and leaves, and wound the wounds.