隨(sui)著(zhe)天(tian)氣(qi)轉(zhuan)涼(liang),有(you)些(xie)菜(cai)農(nong)開(kai)始(shi)將(jiang)原(yuan)來(lai)平(ping)畦(qi)栽(zai)培(pei)的(de)辣(la)椒(jiao)進(jin)行(xing)覆(fu)土(tu)。可(ke)是(shi)由(you)於(yu)辣(la)椒(jiao)疫(yi)病(bing)等(deng)發(fa)生(sheng)較(jiao)重(zhong),常(chang)造(zao)成(cheng)辣(la)椒(jiao)大(da)量(liang)死(si)棵(ke),覆(fu)土(tu)後(hou)再(zai)防(fang)治(zhi)勢(shi)必(bi)加(jia)重(zhong)了(le)防(fang)治(zhi)難(nan)度(du)。筆者在下鄉走訪中看到山東省壽光市台頭鎮付家茅砣村的付師傅在進行辣椒覆土之前先用殺菌劑塗稈,提早預防,取得了很好的效果。
據ju付fu師shi傅fu介jie紹shao,由you於yu現xian在zai地di溫wen較jiao高gao,而er且qie幹gan濕shi度du變bian化hua較jiao大da,辣la椒jiao莖jing基ji部bu易yi感gan染ran疫yi病bing,如ru果guo覆fu土tu後hou再zai進jin行xing防fang治zhi,由you於yu土tu壤rang對dui藥yao劑ji具ju有you吸xi附fu作zuo用yong,藥yao液ye不bu一yi定ding能neng夠gou到dao達da病bing部bu,從cong而er使shi藥yao效xiao大da打da折zhe扣kou。若ruo在zai覆fu土tu前qian用yong藥yao劑ji噴pen淋lin莖jing稈gan,容rong易yi留liu下xia死si角jiao,也ye會hui為wei病bing害hai的de浸jin染ran埋mai下xia隱yin患huan。而er覆fu土tu前qian先xian塗tu稈gan,防fang病bing徹che底di、全麵,效果顯著。具體方法:藥劑可選75%百菌清或甲基托布津,混加DT,稀釋成300倍bei液ye,然ran後hou用yong刷shua漆qi用yong的de小xiao毛mao刷shua將jiang藥yao液ye從cong主zhu幹gan分fen叉cha處chu一yi直zhi塗tu到dao莖jing基ji部bu處chu,在zai塗tu抹mo時shi一yi定ding要yao塗tu抹mo完wan全quan,不bu留liu死si角jiao。當dang藥yao液ye幹gan燥zao後hou再zai進jin行xing覆fu土tu。這zhe樣yang操cao作zuo雖sui然ran麻ma煩fan,但dan麵mian麵mian俱ju到dao,對dui於yu辣la椒jiao疫yi病bing預yu防fang效xiao果guo較jiao好hao。
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