目(mu)前(qian),一(yi)年(nian)一(yi)大(da)茬(cha)甜(tian)椒(jiao)正(zheng)處(chu)在(zai)結(jie)果(guo)期(qi),根(gen)據(ju)往(wang)年(nian)經(jing)驗(yan),菜(cai)農(nong)們(men)反(fan)映(ying)結(jie)果(guo)期(qi)甜(tian)椒(jiao)若(ruo)不(bu)注(zhu)意(yi)管(guan)理(li),很(hen)容(rong)易(yi)出(chu)現(xian)斷(duan)茬(cha)現(xian)象(xiang),怎(zen)樣(yang)保(bao)證(zheng)結(jie)果(guo)期(qi)甜(tian)椒(jiao)連(lian)續(xu)坐(zuo)果(guo)呢(ne)?記(ji)者(zhe)建(jian)議(yi)菜(cai)農(nong)做(zuo)好(hao)以(yi)下(xia)三(san)點(dian)。
一(yi)是(shi)提(ti)高(gao)甜(tian)椒(jiao)坐(zuo)果(guo)率(lv),不(bu)要(yao)依(yi)靠(kao)點(dian)花(hua)。記(ji)者(zhe)在(zai)洛(luo)城(cheng)街(jie)道(dao)一(yi)帶(dai)采(cai)訪(fang)時(shi),了(le)解(jie)到(dao)因(yin)為(wei)頭(tou)茬(cha)椒(jiao)坐(zuo)果(guo)較(jiao)少(shao),有(you)的(de)菜(cai)農(nong)用(yong)點(dian)花(hua)藥(yao)點(dian)花(hua)提(ti)高(gao)甜(tian)椒(jiao)的(de)坐(zuo)果(guo)率(lv),結(jie)果(guo)甜(tian)椒(jiao)是(shi)坐(zuo)住(zhu)了(le),但(dan)果(guo)實(shi)畸(ji)形(xing)果(guo)較(jiao)多(duo)。並(bing)且(qie),使(shi)用(yong)點(dian)花(hua)藥(yao)來(lai)點(dian)花(hua),甜(tian)椒(jiao)葉(ye)片(pian)發(fa)黑(hei),還(hai)會(hui)影(ying)響(xiang)下(xia)茬(cha)果(guo)的(de)坐(zuo)果(guo)率(lv)。甜(tian)椒(jiao)是(shi)自(zi)花(hua)授(shou)粉(fen)作(zuo)物(wu),隻(zhi)要(yao)環(huan)境(jing)條(tiao)件(jian)適(shi)宜(yi),無(wu)須(xu)點(dian)花(hua)就(jiu)能(neng)自(zi)行(xing)坐(zuo)住(zhu)。菜(cai)農(nong)反(fan)映(ying)頭(tou)茬(cha)甜(tian)椒(jiao)之(zhi)所(suo)以(yi)難(nan)坐(zuo)果(guo),主(zhu)要(yao)是(shi)因(yin)為(wei)棚(peng)內(nei)溫(wen)度(du)過(guo)高(gao),超(chao)過(guo)了(le)甜(tian)椒(jiao)適(shi)宜(yi)的(de)生(sheng)長(chang)溫(wen)度(du),導(dao)致(zhi)花(hua)芽(ya)分(fen)化(hua)不(bu)良(liang),甜(tian)椒(jiao)坐(zuo)果(guo)差(cha)。對(dui)此(ci),建(jian)議(yi)菜(cai)農(nong)通(tong)過(guo)溫(wen)度(du)調(tiao)節(jie)來(lai)促(cu)進(jin)甜(tian)椒(jiao)坐(zuo)果(guo)。甜(tian)椒(jiao)開(kai)花(hua)期(qi)所(suo)需(xu)的(de)適(shi)宜(yi)溫(wen)度(du)是(shi)25-28℃,晝夜溫差在10-12℃為好。如果夜溫過高,晝夜溫差過小的話,則不容易坐住果。這就需要采取通風、遮陽等措施控製棚溫過高,必要時可噴用助壯素或矮壯素畸控製植株旺長,促進開花坐果。
ershidanfeishiyongmoguoduo,zhongshijiafeishiyong。tianjiaojinrujieguoqiyihou,duijiafeidexuqiuliangzengduole。jizhezaicaifangzhong,lejiedaoyouxiecainongzaigeitianjiaoshifeishi,zhongshidanfeishiyong,hushijiafeishiyong,daozhitianjiaobujinchuxianwangchang,erqieguoshixiao,biaoguangcha,chanliangdi。duici,jianyicainongzaitianjiaojinrujieguoqihou,yaojiaqiangjiafeideshiyong。yibanlaishuo,dangtianjiaozuoguohou,guoshichangzhihetaodaxiaoshijiuyingzhuishijiafeile,kesuishuichongshigaojiaquanshuirongxingfeiliao,manzutianjiaoduijiafeidexuqiu,cujintianjiaoguoshipengda。
三是澆水量切莫過大過小。甜椒屬於淺根係蔬菜,根係不發達,根係主要集中在10-15厘米深的土壤中,既怕澇也怕旱。結果期一旦缺水,植株出現萎蔫,嚴重的果實得臍腐病;如果澆水量過大,則植株容易出現漚根、死棵現象。所以,建議菜農給甜椒澆水時不要大水漫灌,要根據土壤幹濕程度、天氣狀況、甜椒長勢等方麵來決定澆水與否。
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