首shou先xian,根gen據ju果guo穗sui部bu位wei不bu同tong合he理li疏shu葉ye。因yin為wei現xian在zai光guang照zhao充chong足zu,西xi紅hong柿shi一yi般ban不bu會hui因yin光guang照zhao不bu足zu而er轉zhuan色se不bu良liang,相xiang反fan,光guang照zhao過guo強qiang還hai會hui影ying響xiang西xi紅hong柿shi的de著zhe色se,所suo以yi菜cai農nong在zai疏shu葉ye時shi不bu能neng過guo度du。當櫻桃西紅柿剛開始進行采摘時,因為植株上部葉片較密,遮光較好,菜農可以將靠近植株最下部1~2穗果實的葉片疏除,以促進果實轉色,但對於植株3suiguoyishangdeyepian,zeyingdangguosuishangdexihongshiquanbuzhaichuhouzaijiangxiangyingguosuishangbudeyepianjinxingshuchu,huozhecaiyongjianyedefangshi,jiangyepiandesanfenzhiyijianchu,yibaozhengguoshidetongfengtouguang,shigengduodesansheguangzhaoshedaoxihongshiguoshishang,cujinguoshizhuanse,tongshiyoukeyibimianyangguangzhishezaiguoshidebiaomian,chanshengrizhuoguo。qiezaicujinguoshizhuansedetongshi,hainengbaoliujiaoduodeyepian,yibaozhengyepianzhizaodeyoujiyingyang,cujinguoshidepengda。
其(qi)次(ci),植(zhi)株(zhu)頂(ding)部(bu)應(ying)留(liu)側(ce)枝(zhi)遮(zhe)光(guang)。越(yue)靠(kao)近(jin)西(xi)紅(hong)柿(shi)生(sheng)長(chang)點(dian),西(xi)紅(hong)柿(shi)果(guo)實(shi)見(jian)光(guang)的(de)幾(ji)率(lv)越(yue)大(da),因(yin)為(wei)櫻(ying)桃(tao)西(xi)紅(hong)柿(shi)的(de)果(guo)皮(pi)較(jiao)薄(bo),進(jin)入(ru)夏(xia)季(ji)後(hou),一(yi)旦(dan)強(qiang)光(guang)照(zhao)射(she)在(zai)快(kuai)要(yao)成(cheng)熟(shu)的(de)果(guo)實(shi)表(biao)麵(mian),極(ji)易(yi)導(dao)致(zhi)產(chan)生(sheng)日(ri)灼(zhuo)果(guo),所(suo)以(yi)菜(cai)農(nong)在(zai)疏(shu)除(chu)側(ce)枝(zhi)時(shi),除(chu)了(le)在(zai)每(mei)個(ge)主(zhu)幹(gan)的(de)上(shang)部(bu)留(liu)取(qu)2~3片葉外,還要注意留下兩個側枝,當側枝長到3片葉左右時再摘心,以增加果實的遮光麵積,防止產生日灼果。
另外,菜農還可以在中午溫度高,陽光照射強烈時,向棚膜上潑泥漿或者使用遮陽網的方式為果實遮光,也能有效避免日灼果的產生。
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