首先,加強整枝打葉,並安裝反光幕、補光燈、勤(qin)擦(ca)拭(shi)棚(peng)膜(mo),改(gai)善(shan)植(zhi)株(zhu)光(guang)照(zhao)條(tiao)件(jian)。光(guang)照(zhao)不(bu)足(zu)是(shi)導(dao)致(zhi)連(lian)陰(yin)天(tian)落(luo)花(hua)落(luo)果(guo)嚴(yan)重(zhong)的(de)首(shou)要(yao)原(yuan)因(yin)。菜(cai)農(nong)可(ke)以(yi)在(zai)棚(peng)內(nei)安(an)裝(zhuang)專(zhuan)用(yong)的(de)補(bu)光(guang)燈(deng),在(zai)白(bai)天(tian)開(kai)棚(peng)時(shi)進(jin)行(xing)補(bu)光(guang);在(zai)大(da)棚(peng)的(de)後(hou)牆(qiang)增(zeng)設(she)反(fan)光(guang)幕(mu),可(ke)以(yi)增(zeng)加(jia)散(san)射(she)光(guang)的(de)利(li)用(yong)效(xiao)率(lv),增(zeng)強(qiang)光(guang)合(he)作(zuo)用(yong)。此(ci)外(wai),還(hai)要(yao)注(zhu)意(yi)調(tiao)整(zheng)植(zhi)株(zhu)的(de)結(jie)構(gou),例(li)如(ru)辣(la)椒(jiao)可(ke)以(yi)將(jiang)吊(diao)繩(sheng)弄(nong)鬆(song),增(zeng)大(da)辣(la)椒(jiao)枝(zhi)條(tiao)的(de)開(kai)張(zhang)角(jiao)度(du),加(jia)強(qiang)整(zheng)枝(zhi),去(qu)掉(diao)過(guo)多(duo)的(de)枝(zhi)條(tiao)尤(you)其(qi)是(shi)內(nei)膛(tang)枝(zhi),也(ye)能(neng)起(qi)到(dao)增(zeng)大(da)葉(ye)片(pian)的(de)見(jian)光(guang)麵(mian)積(ji)、減少營養消耗的作用,從而提高辣椒的坐果率。
qici,jiangdipengneishidu,huangdongzhizhu,liyushoufen。shucaikaihuashoufenduishiduyeshiyouyaoqiude。lianyintianpengneifangfengshao,pengneideshiduguoda,rongyidaozhihuafenfayubuliang,huoxingjiangdi,bunenghenhaodizhanzhedaociruizhutoushang,congerzhishishoufenlvjiangdi。suoyi,zailianyintianshiyaozhuyizaizhongwu12點到下午兩點間隔性放風,盡可能降低棚內濕度。配合晃棵等措施,保證盡可能多的花粉粘著到辣椒雌蕊柱頭上,保證授粉的質量。
zaici,yemianbufei。luohualuoguoyanzhong,zhuyaoshiyouyuyingyanggongyingbuzuyinqide,lianyintianshicainongkeyitongguoyemianbufeidefangfa,zengqiangshucaichangshi。yemianpenshiputaotang100倍、全營養葉麵肥300倍混核苷酸1000倍、甲殼素1000倍bei的de方fang法fa,為wei辣la椒jiao補bu充chong能neng量liang,提ti高gao植zhi株zhu抗kang性xing,從cong而er減jian少shao因yin營ying養yang消xiao耗hao過guo多duo導dao致zhi落luo花hua落luo果guo。此ci外wai,菜cai農nong也ye要yao注zhu意yi補bu充chong硼peng肥fei。因yin為wei硼peng肥fei能neng促cu進jin花hua芽ya分fen化hua,防fang止zhi畸ji形xing果guo的de產chan生sheng。菜cai農nong可ke以yi使shi用yong1500倍速樂硼溶液,通過葉麵噴施補充。
噴用萘乙酸等植物生長調節劑可以促進開花坐果,但使用量不能過大,應將濃度控製在3000-4000倍之間。使用萘乙酸後,辣椒植株葉片會出現2-3天的曲葉現象,幾天之後會自行恢複。
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