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1.袋料栽培香菇的綜合防治措施?
(1)yangebahaojunzhongguanzaiquedingshengchanyongdeyouliangpinzhongyihou,junzhongshifoubeizajunwuranzeshiyouzhijunzhongzuijibendetiaojian。youzhijunzhongkecaiyongmucehepeiyangdefangfalaiqueding。fanjunsicuzhuang,dakaipingsaijuteyouxiangwei,keshiweiyouzhijunzhong。youtiaojiande,haiyingchouyangpeiyang,tongshihaikejianzhajunsishenghuoli。?
(2)嚴格把好菌袋加工關塑料袋應選擇厚薄均勻、無沙眼、彈性強、耐高溫、高壓的聚丙烯塑料袋,培養料切忌太濕,料水比掌握在1∶1.1~1.2;裝料鬆緊適中,上下表內一致;兩端袋口應紮緊,並用火焰熔結,在高溫季節製菌袋時,可用1∶800倍多菌靈溶液拌料,防治雜菌。?
(3)嚴格把好滅菌關常壓滅菌應使灶內溫度穩定在100℃,並持續8小時;鍋內菌袋排放時,中間要留有空隙,使蒸氣暢流菌袋受熱均勻;要避免因補水或燒火等原因造成中途降溫;從拌料到滅菌必須在8小時內完成,從滅菌開始到灶溫上升到100℃不可超過5小時,以免料發酵變質。?
(4)搞好環境衛生,淨化空氣使空氣中雜菌孢子的密度降得最低,是減少雜菌汙染最積極有效的一種方法。裝瓶消毒冷卻,接種、培養室等場所,均需做好日常的清潔衛生。暴雨後要進行集中打掃。堅持每天在空中、地麵用0.2%肥皂水或3%~4%石碳酸水溶液,5%甲醛,1∶500倍50%的多菌靈水溶液及5%~20%石灰清水等交叉噴霧或噴灑,將廢棄物和汙染物及時燒毀或浸入藥水缸,以防汙染環境和空氣。?
(5)嚴格無菌操作
接種室應嚴格消毒;做好接種前菌種預處理;接種過程中菌種瓶用酒精燈火焰封口;接種工具要堅持火焰消毒;菌種盡量保持整塊;接種時要避免人員走動和交談;及時清理接種室的廢物,保持室內清潔。?
(6)kexueanpaijiezhongjijiebixugenjuxianggujunsishengchanghezishitifashengduiwendudeyaoqiu,kexueanpaijiezhongjijie。guozaojiezhonghuoyuxiaqiugaowenqihou,jimingxianzengjiawuranlv,youbulijunsishengchang;過遲接種,汙染率雖然較低,但秋菇生長期縮短,影響產量。接種以日平均氣溫穩定在25℃左右時為最好。
夏季氣溫偏高時,接種時間應安排在午夜至次日清晨。?
(7)改善環境因子雜菌發生快慢和輕重,在很大程度上取決於各種環境因子,特別是香菇栽培塊或菌筒上的黴菌發生時應通風換氣。溫度、濕(shi)度(du)等(deng)環(huan)境(jing)因(yin)子(zi)有(you)利(li)於(yu)香(xiang)菇(gu)生(sheng)長(chang)發(fa)育(yu)時(shi),香(xiang)菇(gu)菌(jun)絲(si)生(sheng)活(huo)力(li)旺(wang)盛(sheng),抗(kang)性(xing)強(qiang),雜(za)菌(jun)就(jiu)不(bu)易(yi)發(fa)生(sheng),反(fan)之(zhi),雜(za)菌(jun)便(bian)會(hui)乘(cheng)虛(xu)而(er)入(ru),迅(xun)速(su)發(fa)生(sheng)。因(yin)此(ci),在(zai)日(ri)常(chang)管(guan)理(li)工(gong)作(zuo)中(zhong),盡(jin)可(ke)能(neng)創(chuang)造(zao)適(shi)宜(yi)於(yu)香(xiang)菇(gu)菌(jun)生(sheng)長(chang)發(fa)育(yu)的(de)環(huan)境(jing)條(tiao)件(jian)也(ye)是(shi)一(yi)項(xiang)很(hen)重(zhong)要(yao)的(de)預(yu)防(fang)措(cuo)施(shi)。?
(8)減少菌絲未愈合時發生黴菌,采取將門窗關好(定量開窗通風幾次),除chu去qu覆fu蓋gai的de薄bo膜mo,待dai控kong製zhi黴mei菌jun後hou再zai蓋gai上shang的de措cuo施shi。若ruo個ge別bie栽zai培pei塊kuai發fa生sheng黴mei菌jun,不bu要yao急ji於yu處chu理li,待dai菌jun絲si愈yu合he後hou再zai作zuo處chu理li,但dan需xu增zeng加jia掀xian動dong薄bo膜mo的de次ci數shu,並bing加jia強qiang栽zai培pei室shi通tong風feng換huan氣qi和he降jiang溫wen減jian濕shi。?
(9)黴菌發生在栽培塊或菌筒表麵,尚未入料,一般可以采用pH 8~10deshihuiqingshuixijingqishangdemeijun,gaibiansuanjiandu,yizhimeijunshengchang。ruomeijunyanzhong,yishenruliaonei,kebameijunwaganjing,ranhoubushangzaipeizhong。meijuntebieyanzhongdezaipeikuaihuojuntong,kenadaoshiwai,yongqingshuibameijunchongxiganjing,lianggan2~3天後,再噴灑0.5%過氧乙酸(CH?3COOH)可收到顯著的防治效果。?
(10)加強檢查在氣溫較高季節,培養室內菌袋排放不宜過高過密,以免因高溫菌絲停止生長或燙傷,影響成品率。發菌5~6天後,結合翻堆要逐袋認真檢查,發現汙染菌袋隨即取出。對汙染輕的菌袋,可用20%甲醛或5%石碳酸或95%酒精注射於汙染部位,再貼上消毒膠布。
對青黴、木黴汙染嚴重的菌袋,添加適量新料後重新滅菌接種;汙wu染ran鏈lian孢bao黴mei的de菌jun袋dai,及ji時shi深shen埋mai。此ci外wai,要yao防fang鼠shu滅mie鼠shu,避bi免mian老lao鼠shu間jian接jie汙wu染ran,對dui汙wu染ran廢fei棄qi的de菌jun袋dai要yao集ji中zhong處chu理li,千qian萬wan不bu能neng到dao處chu亂luan扔reng,以yi免mian造zao成cheng重zhong複fu感gan染ran。
(11)袋(dai)料(liao)栽(zai)培(pei)中(zhong)危(wei)害(hai)香(xiang)菇(gu)的(de)害(hai)蟲(chong)主(zhu)要(yao)為(wei)蟎(man)類(lei)和(he)線(xian)蟲(chong)。菌(jun)筒(tong)室(shi)內(nei)培(pei)養(yang)期(qi)間(jian)主(zhu)要(yao)是(shi)蟎(man)的(de)危(wei)害(hai),後(hou)期(qi)主(zhu)要(yao)為(wei)線(xian)蟲(chong)。培(pei)養(yang)室(shi)或(huo)栽(zai)培(pei)場(chang)發(fa)生(sheng)害(hai)蟲(chong)危(wei)害(hai)可(ke)噴(pen)高(gao)效(xiao)低(di)毒(du)農(nong)藥(yao),1∶1 200~1 500倍的特殺蟎,?1∶50倍的殺蟲乳劑和1∶500倍的馬拉鬆乳劑防治線蟲可收到良好效果。?
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