高接换优枣树早果早丰技术  

Technology of Early Fruit and High Yield of Jujube

作　　者：李维泉 李瑞平 杨焕金 王尤 张熙 林力 曹洪亮 冯红霞 LI Wei-quan;LI Rui-ping;YANG Huan-jin;WANG You;ZHANG Xi;LIN Li;CAO Hong-liang;FENG Hong-xia(Baoding Forestry and Fruit Technology Promotion Station,Baoding,Hebei 071051,China;Laiyuan Natural Resources and Planning Bureau,Laiyuan,Hebei 074300,China)

机构地区：[1]保定市林果技术推广站,河北保定071051 [2]涞源县自然资源和规划局,河北涞源074300

出　　处：《河北林业科技》2019年第4期64-65,共2页Journal of Hebei Forestry Science and Technology

摘　　要：枣树高接换优后,放任生长或管理技术不到位,前期枣头营养生长旺盛,新梢密集交错,树冠内膛通风透光差,成花少坐果少,以至于树形紊乱。通过实施摘心、拉枝、修剪、花期开甲等技术,缓和树势改善光照条件,利于生殖生长;通过喷施药剂,尤其是喷施碧欧,枣吊生长时间长,长度增加,延长坐果时间,错过春季过度干旱时期,提高坐果率,使高接树早果早丰,当年结果,第3年鲜果产量达4425kg/hm^2。After the jujube height grafting,the growth or management technology is not in place. In the early stage,the nutrition of jujube head is vigorous,the new shoots are dense and interlaced, the ventilation and light transmission in the crown is poor,the flowers are less and the fruits are less,so that the tree shape is disordered. In this paper,the techniques of plucking the heart,pulling the branch,pruning and opening the first flower stage were carried out to ease the tree’s vigor and improve the light conditions,which is conducive to the reproductive growth. By spraying chemicals,especially the application of BIOU,the jujube hanging grew for a long time,increased the length,prolonged the fruit setting time,missed the period of excessive drought in spring,improved the fruit setting rate,and made the early fruit of the high connected trees abundant. In the same year,the fresh fruit in the third year was 4425 kg/hm^2.

关 键 词：高接换优 枣树 早果早丰 碧欧 

分 类 号：S665.1[农业科学—果树学]