柑桔脚腐病的防治内容摘要:
2、时将树盘的土耙平,防止积水;经常清洗树干,保持主干清洁;麸水和人粪尿要充分腐熟后才能施用,并注意不淋在树干周围。 严防爆皮虫和天牛的危害。 现病株,将病株根颈部的土壤扒开,用酒精消毒过的利刀刮去腐烂皮层及已变色的木质部后,再轻刮一层无病组织,用酒精清洗后,涂以 11100 波尔多液或硫酸铜3050 倍液或 20%甲霜灵、65%杀毒矾、80%乙磷铝可湿性粉剂各 100200 倍液或 25%瑞毒霉可湿性粉剂 400 倍液或 70%乙锰合剂 300 倍液。 涂药后换掉原来的老土,改埋疏松沙壤土,促发新根。 腐烂皮层面积大,伤口难以愈合的柑桔树,可在树干旁种上枳壳实生苗,用靠接的办法,增强树体对养分的吸收。 这样脚腐病树会出现“返老还童”现象,重新获得高产稳产。 专利查询。柑桔脚腐病的防治
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