最近,筆者在壽光市古城街道、孫家集街道、青州市等地采訪時,不少種植甜椒的菜農反映近期爛稈現象很嚴重,嚴重的導致死棵。
筆(bi)者(zhe)在(zai)幾(ji)個(ge)棚(peng)內(nei)觀(guan)察(cha)甜(tian)椒(jiao)爛(lan)稈(gan)症(zheng)狀(zhuang),發(fa)現(xian)主(zhu)要(yao)是(shi)兩(liang)種(zhong)病(bing)害(hai)所(suo)致(zhi),有(you)些(xie)植(zhi)株(zhu)是(shi)兩(liang)種(zhong)病(bing)害(hai)混(hun)發(fa)導(dao)致(zhi)爛(lan)稈(gan)。當(dang)前(qian)引(yin)起(qi)甜(tian)椒(jiao)發(fa)生(sheng)爛(lan)稈(gan)的(de)主(zhu)要(yao)有(you)細(xi)菌(jun)性(xing)軟(ruan)腐(fu)病(bing)和(he)灰(hui)黴(mei)病(bing)。
一、xijunxingruanfubing。zhuyaoweihaiguoshihejinggan,duocongzhengzhihouzaochengdeshangkoukaishiqinran,bingbuchushengshuijinzhuanganlvseban,houbianheruanfu,bingbufulanhoubiaomianchengmozhuang,erqiebingbuduosanfaechouwei,shaoyuwailijiuhuituoluo。youmiaoranbingyiduocongshangkoukaishiranbing,chengshuijinzhuangruanfu,zhongshiyoumiaodaozhesiwang。
二、灰黴病。甜椒灰黴病的致病原因是多方麵的,低溫高濕正是早春的氣候特點,病菌發病適溫是23℃,加(jia)之(zhi)當(dang)前(qian)菜(cai)農(nong)放(fang)風(feng)不(bu)及(ji)時(shi),澆(jiao)水(shui)多(duo),棚(peng)內(nei)濕(shi)度(du)必(bi)然(ran)大(da),這(zhe)是(shi)灰(hui)黴(mei)病(bing)流(liu)行(xing)的(de)主(zhu)要(yao)原(yuan)因(yin)。有(you)些(xie)菜(cai)農(nong)把(ba)防(fang)治(zhi)重(zhong)點(dian)放(fang)在(zai)了(le)疫(yi)病(bing)和(he)白(bai)粉(fen)病(bing)的(de)防(fang)治(zhi)上(shang),用(yong)的(de)藥(yao)物(wu)不(bu)能(neng)兼(jian)治(zhi)灰(hui)黴(mei)病(bing),錯(cuo)過(guo)了(le)防(fang)的(de)時(shi)機(ji),導(dao)致(zhi)當(dang)前(qian)灰(hui)黴(mei)病(bing)暴(bao)發(fa)流(liu)行(xing)。
yishangzheliangzhongbinghaidouxihuangaoshihuanjing,jiangdipengneishidushifangzhizheliangzhongbinghaideguanjian,tongguodimofugai,kongzhijiaoshui,jishifangfeng,yanwujihefenchenjifangzhibingweizhu,penwufangzhiweifudengcuoshilaijiangdishidu。ruoyishangliangzhongbinghaihunfa,jianyicainongyongnongyonglianmeisuhuoyekuzuohunpuhaiyinhuoshileshipenwufangzhi。
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