適當間疏幼嫩枝蔓。保留適量的粗壯枝蔓可以提高瓜類蔬菜的結瓜能力。但若幼嫩枝蔓留得太多,會出現爭光、爭空間、zhengyangfendemaodun,yizhiyuduoshuzhimanshengchangxiruo,jieguonenglihejieguozhiliangfanerxiajiang。duiyushengchangshiruodejingduankeyihuisuodaoshengchangcuzhuangdebuwei,guomidezhimanjishishengchangjianzhuang,yeyaoshidangshujian,yijizhongyangfengongyingzhuangmanshengchangheguoshipengda。
使用促花王3號代替去除徒長枝蔓。在旺長前期及時使用促花王3號精品,把植物營養生長轉化成生殖營養、抑製主梢瘋長,促進花芽分化,多開花,提高花粉受精質量,多開花,多坐果,防落果,促發育。
疏刪老弱枝,去除老葉、病bing葉ye。一yi些xie已yi結jie過guo瓜gua且qie果guo實shi已yi收shou獲huo的de二er次ci枝zhi蔓man或huo三san次ci枝zhi蔓man,既ji消xiao耗hao養yang分fen,又you占zhan據ju棚peng架jia等deng生sheng長chang空kong間jian,可ke以yi回hui縮suo到dao莖jing葉ye強qiang壯zhuang粗cu大da的de莖jing段duan,讓rang留liu下xia的de莖jing節jie重zhong新xin發fa蔓man。如ru果guo整zheng條tiao枝zhi蔓man都dou很hen瘦shou弱ruo,結jie果guo後hou可ke以yi疏shu刪shan掉diao。一yi些xie長chang期qi披pi垂chui於yu棚peng架jia之zhi下xia的de枝zhi蔓man,由you於yu養yang分fen與yu供gong應ying的de劣lie勢shi,一yi般ban生sheng長chang差cha,可ke以yi疏shu刪shan。不bu斷duan地di去qu掉diao老lao葉ye不bu僅jin可ke以yi減jian少shao養yang分fen的de無wu謂wei消xiao耗hao,而er且qie可ke以yi騰teng出chu空kong間jian,增zeng加jia透tou光guang率lv,從cong而er提ti高gao光guang合he效xiao率lv。病bing葉ye是shi病bing害hai再zai侵qin染ran的de主zhu要yao來lai源yuan,要yao徹che底di摘zhai除chu,並bing拿na出chu田tian外wai燒shao毀hui,以yi減jian輕qing病bing害hai發fa生sheng。
拔(ba)去(qu)病(bing)亡(wang)植(zhi)株(zhu),預(yu)防(fang)病(bing)菌(jun)擴(kuo)散(san)。秋(qiu)季(ji)田(tian)間(jian)雨(yu)水(shui)較(jiao)多(duo),易(yi)漬(zi)水(shui),土(tu)壤(rang)缺(que)氧(yang),有(you)可(ke)能(neng)出(chu)現(xian)病(bing)株(zhu),應(ying)及(ji)時(shi)拔(ba)除(chu),並(bing)在(zai)病(bing)株(zhu)蔸(dou)部(bu)施(shi)用(yong)熟(shu)石(shi)灰(hui)殺(sha)菌(jun),防(fang)止(zhi)病(bing)菌(jun)繼(ji)續(xu)擴(kuo)散(san)。對(dui)於(yu)未(wei)發(fa)病(bing)的(de)植(zhi)株(zhu),及(ji)時(shi)使(shi)用(yong)植(zhi)物(wu)細(xi)胞(bao)免(mian)疫(yi)因(yin)子(zi),提(ti)升(sheng)植(zhi)物(wu)抗(kang)逆(ni)性(xing),可(ke)使(shi)病(bing)毒(du)DNA斷duan裂lie凋diao亡wang。強qiang大da免mian疫yi功gong能neng,誘you生sheng幹gan擾rao素su和he活huo性xing細xi胞bao介jie素su,抑yi製zhi殘can餘yu病bing毒du複fu製zhi,促cu進jin植zhi物wu正zheng能neng量liang生sheng態tai生sheng長chang。以yi寄ji主zhu植zhi物wu抗kang病bing機ji理li及ji利li用yong病bing菌jun毒du性xing變bian異yi原yuan理li,控kong製zhi植zhi物wu生sheng理li性xing病bing害hai和he侵qin染ran性xing病bing害hai繁fan衍yan。
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