摘要
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。
Freezing injury to kiwifruit in main producing area were investigated in 2007～2011.The results showed that freezing injury happened frequently in central and western regions of Shaanxi.’Hongyang ’and ’Xuxiang’ variety were easily damaged,degree of cold damage relate to tree-age and growth vigour of tree,younger and vigorous tree was most sensitive to coldness.One year old shoot often was freeze,tree trunk under 50 cm was easily damaged.Prevent measure was as flows as selection of field and variety,more high grafting position,protection of trunk with plant material,control of growth,bridge connection with plant from root,reducing the amount of fruit and shoot,binding up a wound due to freezing injury.
出处
《北方园艺》
CAS
北大核心
2012年第12期64-65,共2页
Northern Horticulture
基金
财政部农业科技入户示范工程资助项目(XTG2009-10)
关键词
猕猴桃
冻害
品种
预防
措施
kiwifruit
freezing injury
variety
prevent
measure
