在雙孢蘑菇栽培中有時會發生褐斑病,導致雙泡蘑菇的質量和產量降低。
雙shuang孢bao蘑mo菇gu褐he斑ban是shi由you托tuo蘭lan斯si假jia單dan孢bao杆gan菌jun引yin起qi的de,因yin此ci又you稱cheng作zuo雙shuang孢bao蘑mo菇gu細xi菌jun性xing褐he斑ban病bing。該gai病bing原yuan菌jun存cun在zai於yu雙shuang孢bao蘑mo菇gu的de覆fu土tu材cai料liao中zhong,其qi含han量liang極ji少shao。用yong常chang規gui方fang法fa很hen難nan檢jian測ce出chu來lai,但dan它ta卻que能neng使shi雙shuang孢bao蘑mo菇gu嚴yan重zhong感gan染ran病bing,進jin而er降jiang低di經jing濟ji效xiao益yi。
該病目前防治存在著困難,其一是有些殺菌劑對病原菌無殺傷能力;qiershiyouxieshajunjiduishuangbaomogujunsiyouduxing。jingyanjiuzhemenshaixuanfaxianbanmianchunnengyouxiaodifangzhicibing。taduibingyuanjunshashangliqiang,zuoyongwending,qieduishuangbaomogujunsishangweijianduxingbiaoxian。lingwaigaibinghaikecaiyongqitayaojifangzhi,ruguchuangshangyidanchuxianbingguyaojishiqingchu,jizhongchuli,ranhoupensa1:500倍50%的de多duo菌jun靈ling或huo代dai森sen鋅xin。除chu了le化hua學xue藥yao劑ji防fang治zhi外wai,還hai可ke采cai用yong生sheng物wu防fang治zhi,即ji利li用yong雙shuang孢bao蘑mo菇gu病bing原yuan菌jun的de拮jie抗kang菌jun來lai抑yi製zhi該gai病bing發fa生sheng。目mu前qian以yi篩shai選xuan分fen離li出chu與yu原yuan病bing體ti近jin緣yuan的de拮jie抗kang菌jun——熒(ying)光(guang)假(jia)單(dan)孢(bao)杆(gan)菌(jun)製(zhi)劑(ji),這(zhe)就(jiu)為(wei)該(gai)病(bing)的(de)防(fang)治(zhi)開(kai)辟(pi)了(le)新(xin)的(de)途(tu)徑(jing)。除(chu)了(le)上(shang)述(shu)防(fang)治(zhi)措(cuo)施(shi)外(wai),還(hai)應(ying)從(cong)加(jia)強(qiang)栽(zai)培(pei)管(guan)理(li)入(ru)手(shou),嚴(yan)格(ge)掌(zhang)握(wo)好(hao)出(chu)菇(gu)環(huan)境(jing)條(tiao)件(jian),避(bi)免(mian)菌(jun)蓋(gai)積(ji)水(shui)和(he)土(tu)麵(mian)過(guo)濕(shi);同時降低出菇的空氣相對濕度,這樣也能收到較好的效果。
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