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棕榈腐烂病对浙江省的棕榈生产危害性很大,为国内首次发现。1982～1983年对浙江不同地区棕榈病害调查表明,该病引起的棕榈死亡率为7～51％。病害每年于5月中旬始发,7～8月盛发,病株陆续枯死,10月底逐渐停止蔓延。 经鉴定病原为拟青霉菌该病菌,在马铃薯蔗糖琼胶培养基上生长最适温度为25～30℃,孢子发芽的最低温度为15℃,最适温度为20～30℃,40℃以上不能发芽。棕汁对孢子萌发有促进作用。 用50％多菌灵,50％代森铵的500和1000倍液及1％波尔多液进行室内抑菌试验,表明多菌灵对拟青霉菌的菌丝生长抑制效果最好,代森铵次之,1％波尔多液没有抑菌效果。上述农药的野外防病试验效果与室内抑菌试验基本一致。
Palm rot disease is very harmful to palm production in Zhejiang Province and was first discovered in China. A survey of palm diseases in different areas of Zhejiang Province from 1982 to 1983 showed that palm mortality caused by this disease ranged from 7 to 51%. Diseases occur each year in mid-May and flourish from July to August. The diseased plants gradually wither and die, and their spread gradually ceases at the end of October. The identified pathogen is Paecilomyces sp., The optimum temperature for growth on potato sucrose agar is 25-30 ° C, the spore germination minimum temperature is 15 ° C, the optimum temperature is 20-30 ° C, and above 40 ° C germination. Brown juice has a promoting effect on spore germination. With 50% carbendazim, 50% of the ammonium and 500 times 1000 times 1% Bordeaux mixture for indoor antibacterial test showed that carbendazim mycoplasma inhibit the growth of mycelium best, The 1% Bordeaux solution has no bacteriostatic effect. The above field effect of pesticides in the field of anti-bacterial test is basically the same.