缺磷:葉(ye)子(zi)稀(xi)疏(shu),小(xiao)而(er)薄(bo),呈(cheng)暗(an)綠(lv)色(se),葉(ye)柄(bing)及(ji)葉(ye)下(xia)表(biao)麵(mian)的(de)葉(ye)脈(mai)呈(cheng)紫(zi)紅(hong)色(se),枝(zhi)條(tiao)短(duan)而(er)細(xi)弱(ruo),分(fen)枝(zhi)葉(ye)顯(xian)著(zhu)減(jian)少(shao),果(guo)實(shi)小(xiao)。嚴(yan)重(zhong)缺(que)磷(lin)時(shi),老(lao)葉(ye)發(fa)生(sheng)黃(huang)綠(lv)或(huo)深(shen)綠(lv)色(se)斑(ban)點(dian),新(xin)梢(shao)細(xi)弱(ruo)、花芽少,果實小,果樹抗寒能力差。
缺鉀:yezifashengjiaokuxianxiang,chenglanlvse,qingduhuozhongduquejiashi,zhishiyeyuanjiaoku,chengziheise,yanzhongquejia,zezhenggeyepianjiaoku。zhezhongxianxiangxiancongxinshaozhongbuhuozhongxiabukaishi,ranhouxiangdingduanjijibulianggefangxiangkuozhan。yeziweijiaokubufen,fashengzhouwenhejuanqu,maijianhuanghua,eryezigankuyihou,nengguazaizhishanghenchangshijian。
缺鈣:pingguoshuquegai,shouxianfanyingzaigenxishang。xingenguozaoditingzhishengchang,genxiduanerpengda,youqiangliefenshengxingendexianxiang。shouxianshigenjiantingzhishengchang,danpicengjixujiahou,genjianfujinchuxianhenduoyougen,xinshenggenconggenjianxianghouzhujiankusi,erkusibufenyoufuchangchuxuduoxingen。chenglingshuquegai,zaixiaozhishangnenyexianfashengtuisejihuaisibandian,yezibianyuanjiyejianyoushixiangxiajuanqu,tuisebufenyansexianchenghuanglv,yiertianneibianchenganhese。
缺鎂:youlingshuzhizhudingduannenyezhujianshilv,yihouxinshaojibuchengshuyedeyemaijianchuxiandanlvsehuohuilvsebandian。luoyeconglaoyekaishi,yihouxunsukuozhandaodingduan,zuihouzhishengxiaboerdanlvdeye。chenglingshubingyebuxiangyoulingshunamerongyituoluo,duanguozhihexinshaoshangdeyezidoukenengfashenghuaisibandian,zhitiaoxiruoyiwan,yanzhongshidongjihaikenengfashengkushao,guoshibunengzhengchangchengshu,guoxiao,zhesecha,wuxiangwei。
缺硼:早(zao)春(chun)開(kai)始(shi)生(sheng)長(chang)時(shi)會(hui)發(fa)生(sheng)枯(ku)梢(shao),到(dao)夏(xia)末(mo),新(xin)梢(shao)的(de)葉(ye)子(zi)成(cheng)棕(zong)色(se),而(er)葉(ye)柄(bing)呈(cheng)紅(hong)色(se),整(zheng)個(ge)葉(ye)片(pian)成(cheng)凸(tu)起(qi)或(huo)扭(niu)曲(qu)。在(zai)葉(ye)的(de)尖(jian)端(duan)及(ji)邊(bian)緣(yuan)處(chu)出(chu)現(xian)壞(huai)死(si)區(qu)域(yu)。典(dian)型(xing)症(zheng)狀(zhuang)是(shi)枝(zhi)條(tiao)頂(ding)端(duan)的(de)韌(ren)皮(pi)部(bu)及(ji)形(xing)成(cheng)層(ceng)中(zhong)出(chu)現(xian)細(xi)小(xiao)壞(huai)死(si)區(qu)域(yu),逐(zhu)漸(jian)擴(kuo)大(da)至(zhi)新(xin)梢(shao)從(cong)頂(ding)端(duan)向(xiang)下(xia)發(fa)生(sheng)枯(ku)死(si)。缺(que)硼(peng)果(guo)實(shi),可(ke)在(zai)果(guo)實(shi)內(nei)任(ren)何(he)部(bu)分(fen)形(xing)成(cheng)“木栓層”。最初在果肉內顯現水浸狀區域,並很快變成褐色潰瘍,幹後形成木栓。
缺鋅:zaichunjixinshaodingduanlunshengzheyixiexiaoeryingde,youshichenghuabandeyezi,xinshaodeqitabuweikenenghenchangshijianmeiyouyepian,yihou,zaishouhaizhidexiabuchangchuxindenenzhi,kaishikexingchengzhengchangdeyepian,zhujianyoubiandexiazhai,chanshenghuaban。lingwai,quexinshihuayajianshao、果實小、畸形、發育差。
缺鐵:新xin梢shao頂ding端duan葉ye子zi先xian變bian黃huang白bai色se,以yi後hou向xiang下xia擴kuo展zhan,但dan葉ye片pian上shang無wu斑ban點dian。缺que鐵tie的de葉ye子zi隻zhi有you主zhu脈mai和he細xi脈mai附fu近jin保bao持chi綠lv色se,其qi它ta部bu分fen均jun被bei漂piao白bai,葉ye子zi維wei管guan係xi統tong網wang紋wen組zu織zhi,在zai灰hui檸ning檬meng黃huang的de底di色se下xia,呈cheng現xian鮮xian明ming的de綠lv色se,有you時shi細xi脈mai也ye會hui失shi綠lv。缺que鐵tie嚴yan重zhong時shi,葉ye子zi邊bian緣yuan幹gan枯ku,變bian成cheng褐he色se而er死si亡wang,新xin梢shao生sheng長chang受shou阻zu,有you時shi發fa生sheng枯ku梢shao。
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