闽西北桃小叶症病因诊断  

Diagnosis of Little Leaf Disease of Peach in Northwestern Fujian

作　　者：谢文龙[1] 宁火根 罗水鑫 张耀横 李健[1] 

机构地区：[1]福建省农业厅果树站,福建福州350003 [2]福建省清流县经作站,福建三明365300 [3]福建省连城县经作局,福建龙岩366200 [4]福建省宁化县经作站,福建三明365400

出　　处：《亚热带植物科学》2005年第3期30-33,共4页Subtropical Plant Science

摘　　要：通过对闽西北桃小叶症发病果园中健康植株及发病植株叶片及土壤的营养诊断,探明桃小叶症的发病原因系植株缺乏B、Ca所致。在排除农药污染因素后,桃小叶症主导病因为植株缺B,其次为缺Ca。According to the leaf symptoms and the analysis of nutrient elements in leaf and soil, it was determined that the little leaf disease of peach in northwestern Fujian was attributed to the deficiency of Ca and B. Eliminating the pesticide pollution, the leading factor of little leaf disease was B deficiency and Ca deficiency was the secondary one.

关 键 词：桃 小叶症 诊断 缺Ca 缺B 

分 类 号：S436.621.1[农业科学—农业昆虫与害虫防治]