棗zao瘋feng病bing是shi所suo有you棗zao樹shu病bing害hai中zhong最zui為wei嚴yan重zhong的de一yi種zhong毀hui滅mie性xing病bing害hai,目mu前qian尚shang無wu有you效xiao的de藥yao物wu可ke以yi根gen治zhi。行xing唐tang縣xian棗zao農nong在zai治zhi療liao棗zao瘋feng病bing過guo程cheng中zhong發fa現xian,利li用yong冬dong季ji給gei發fa生sheng棗zao瘋feng病bing的de棗zao樹shu做zuo手shou術shu具ju有you明ming顯xian的de效xiao果guo,治zhi愈yu率lv能neng達da到dao80%以上。
具體做法如下:對於發病較輕的棗樹,可在病樹主幹上用手鋸鋸3~4道深達棗樹木質部的環,環與環間距在20厘米左右,要求既要把棗樹的韌皮部鋸透又要不傷害棗樹的木質部;duiyufabingjiaoqingdezaoshuzhitiaoyaocongzhitiaojibujudiao,xiashouyaohen,duiyufashengzaofengbingdegebiezhitiaobunengzhijucezhi,yaobabingzhihexiangliandecezhiyuxiaozhuganyejudiao;對dui於yu發fa病bing較jiao重zhong的de的de棗zao樹shu要yao上shang下xia齊qi動dong手shou,地di上shang鋸ju枝zhi條tiao與yu地di下xia鋸ju樹shu主zhu根gen相xiang結jie合he,一yi方fang麵mian要yao鋸ju除chu樹shu上shang發fa病bing枝zhi幹gan,另ling一yi方fang麵mian要yao挖wa開kai病bing枝zhi下xia對dui應ying樹shu根gen,並bing在zai主zhu根gen上shang鋸ju出chu與yu主zhu幹gan相xiang同tong的de3~5條環狀溝,具體環數可因棗樹發病較重而定,重則多,輕則少,對發病嚴重的棗樹在環鋸同時要鋸斷與病枝同一方向的側根。
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