小麥鏽病分為條鏽病、葉ye鏽xiu病bing和he稈gan鏽xiu病bing三san種zhong。我wo省sheng以yi小xiao麥mai條tiao鏽xiu病bing為wei主zhu,對dui小xiao麥mai產chan量liang影ying響xiang很hen大da。小xiao麥mai條tiao鏽xiu病bing病bing菌jun不bu耐nai高gao溫wen,因yin而er不bu能neng在zai我wo省sheng大da部bu分fen地di區qu越yue夏xia。小xiao麥mai收shou割ge時shi,條tiao鏽xiu病bing病bing菌jun即ji隨sui夏xia季ji風feng被bei吹chui到dao高gao原yuan寒han涼liang地di區qu越yue夏xia,秋qiu季ji小xiao麥mai播bo種zhong出chu土tu後hou,越yue夏xia的de病bing菌jun又you隨sui氣qi流liu傳chuan播bo到dao我wo省sheng,浸jin染ran早zao播bo的de麥mai苗miao,成cheng為wei初chu浸jin染ran源yuan。12月上旬,當旬平均氣溫降到2℃時,條鏽病病菌在當地麥苗上越冬,翌年2月下旬至3月上旬,越冬病菌開始恢複生長。
防fang治zhi小xiao麥mai條tiao鏽xiu病bing的de基ji本ben措cuo施shi是shi因yin地di製zhi宜yi地di種zhong植zhi抗kang病bing品pin種zhong。小xiao麥mai收shou獲huo後hou及ji時shi翻fan耕geng滅mie茬cha,消xiao滅mie自zi生sheng麥mai苗miao,減jian少shao越yue夏xia菌jun源yuan,能neng減jian輕qing小xiao麥mai的de發fa病bing程cheng度du。通tong常chang拌ban種zhong後hou播bo種zhong的de小xiao麥mai田tian發fa病bing程cheng度du較jiao輕qing,如ru用yong立li克ke秀xiu或huo粉fen鏽xiu寧ning拌ban種zhong後hou,小xiao麥mai很hen少shao發fa生sheng該gai病bing。對dui當dang前qian小xiao麥mai發fa生sheng該gai病bing的de田tian塊kuai,可ke采cai用yong大da田tian噴pen霧wu的de方fang法fa防fang治zhi。對dui早zao期qi出chu現xian的de發fa病bing中zhong心xin要yao及ji時shi集ji中zhong進jin行xing防fang治zhi,控kong製zhi其qi蔓man延yan。大da田tian內nei病bing葉ye率lv達da0.5%時立即進行防治,每畝可用12.5%禾果利可濕性粉劑30~35克,或20%粉鏽寧乳油45~60毫升,或選用其他三唑酮、烯唑醇類農藥按要求的劑量進行噴霧防治,並及時查漏補噴。重病田塊要進行二次防治。
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