putaonianfayuzhouqiyoushengchangqihedongjixiumianqizucheng。shengchangqishicongchunjigenbukaishihuodonghemengyakaishiyizhidaoqiujiluoyeweizhi。xiumianqicongqiutianluoyehoukaishi,daochunjishengchangqilailinzhiqianjieshu。putaozhizhudenianshengchangzhouqichengxianmingxiandejieduanxing,zaimeigejieduanzhong,genjuqishengchangfayutedian,douyouxiangyingdenongyejishucuoshiyaoqiu。
一、傷流期
春季,當地溫上升到7~9℃時,大多數歐洲種葡萄品種的樹液開始流動,美洲種葡萄在6~7℃shishuyejikaishiliudong。zheshiruguoduiputaojinxingxiujianhuobushenshizhizhuzaochengshangkou,jiuhuicongjiankouhuoshangkouchuliuchudaliangshuye,zhezhongxianxiangjiaoshangliu。shangliukaishizaowan、傷流量的多少與溫度、濕度有密切關係。我國黃河中下遊地區傷流期一般在3月下旬開始。土壤濕度大,傷流量也大;土壤幹旱,傷流就不會發生。傷流期長短隨當年氣候條件和葡萄品種而定,一般為7~10tian。shangliushigenxikaishiwangshenghuodongdeyigebiaozhi,zheyishiqiyaojiaqiangsongtu,yitigaodiwenhebaochiturangshuifen,geichunjigenxideshengchangchuangzaoyigelianghaodehuanjing。ruguodongjibijiaoganhan,yaozhuyijishizhuifeiguanshui。jufenxi,shangliuyezhonghanyouyidingliangdeyoujiwuzhihekuangwuzhi,shaoliangshangliuduizhizhuyingxiangbuda,ruoshangliuguoduo,jiuhuishizhizhushengchangbianruo。yinci,zaizheyishiqi,tebieyaozhuyijinliangbimianzhimanxingchengxindeshangkou。yibanshangliujieshuhou7~10天,葡萄即開始萌動。
二、萌芽及新梢生長期
當氣溫上升到10~12℃時,大部分歐洲種品種開始萌芽。我國華中、華北地區葡萄萌芽期一般在3月下旬到4月上旬,品種間開始萌芽的時間早晚有所差異。
葡萄萌芽展葉後,花序原基在去年分化的基礎上繼續發育,依次分化出花萼、花、雄蕊、cirui,tongshiyekaishixingchengdierhedisanhuaxu。cishiruoyingyangbuzu,huaxuyuanjifenhuaweiruo,jiuhuixingchengfayubuquanhuodaijuanxudehuaxu,shenzhishiyijingfenhuadehuaxuyuanjiwanquanweisuo。
從萌芽到開花期也是新梢迅速生長期,這時1晝夜新梢能伸長5~6cm,一般新梢在開花期要長到全長的60%以上。同時,此期地溫已達10~15℃,也是新根迅速生長期。這一階段持續時間為30~45天。葡萄的萌芽、新xin梢shao和he根gen係xi的de生sheng長chang以yi及ji花hua序xu的de分fen化hua,都dou需xu要yao大da量liang營ying養yang。由you於yu這zhe一yi階jie段duan各ge器qi官guan都dou處chu在zai旺wang盛sheng生sheng長chang階jie段duan,對dui水shui肥fei需xu要yao量liang大da,所suo以yi生sheng產chan上shang一yi定ding要yao加jia強qiang肥fei水shui管guan理li,並bing要yao及ji時shi抹mo芽ya和he綁bang蔓man,促cu使shi新xin梢shao旺wang盛sheng健jian壯zhuang的de生sheng長chang。
三、開花期
當氣溫上升到20℃左右時,葡萄即進入開花期,我國華北地區葡萄開花大約在5月下旬。葡萄花期長短與氣候和品種有關,天氣晴朗時,期多為6~7天,氣溫越高,花期越短。開花期遇上低溫陰雨,不但花期處長,而且正常的授粉受精也受到嚴重影響。
葡萄的開花期也正是第二年花芽的開始分化期,同時在這一階段枝、葉ye生sheng長chang都dou需xu要yao消xiao耗hao大da量liang的de營ying養yang物wu質zhi,所suo以yi此ci期qi是shi葡pu萄tao管guan理li的de關guan鍵jian時shi期qi,也ye稱cheng水shui肥fei臨lin界jie期qi。生sheng產chan上shang必bi須xu加jia強qiang管guan理li,及ji時shi摘zhai心xin,控kong製zhi副fu梢shao生sheng長chang,改gai善shan通tong風feng透tou光guang條tiao件jian。對dui花hua序xu較jiao多duo、較大、落花落果品種,如巨峰、玫瑰香及新玫瑰等,可在花前3~5天摘心,進行花期噴施硼肥和人工輔助授粉等,以提高坐果率,減少大小粒現象。
四、漿果生長期
此期自子房膨大至漿果著色以前為止。大部分葡萄品種從6月上旬幼果開始膨大。從幼果膨大到漿果開始成熟,早熟品種需要35~60天,中熟品種為60~80天。晚熟品種為80天以上。漿果生長初期,果肉細胞迅速分裂、擴大,但漿果仍保持綠色,果皮硬,含酸量不斷增加,經過4~7周(zhou)後(hou),漿(jiang)果(guo)的(de)生(sheng)長(chang)速(su)度(du)減(jian)緩(huan),這(zhe)時(shi)種(zhong)子(zi)種(zhong)皮(pi)開(kai)始(shi)硬(ying)化(hua),胚(pei)發(fa)育(yu)加(jia)快(kuai)。到(dao)漿(jiang)果(guo)生(sheng)長(chang)後(hou)期(qi),果(guo)肉(rou)細(xi)胞(bao)再(zai)次(ci)迅(xun)速(su)擴(kuo)大(da),細(xi)胞(bao)壁(bi)變(bian)得(de)很(hen)薄(bo),漿(jiang)果(guo)含(han)酸(suan)量(liang)達(da)到(dao)最(zui)高(gao)水(shui)平(ping),並(bing)開(kai)始(shi)糖(tang)的(de)積(ji)累(lei)。
zaijiangguoshengchangqi,xinshaoyanchangshengchangsuiranbijiaohuanman,danjiacushengchangrengzaibuduanjinxing,zheshiyezhengshiyuedongyayanzhonghuaxutuqixingchengdeguanjianshiqi,suoyibixujiaqiangfeishuiguanli,shishizengshilin、鉀肥料。幼果生長前期還應注意架麵管理,改善通風透光條件,加強病蟲防治,保護葉片正常生長。當果粒硬核期開始後,每隔半月噴1次3%~5%的草木灰和0.5%~2%的磷肥浸出液或0.5%~1%的磷酸二氫鉀溶液,這對加速糖分運轉、提高果實品質有明顯的促進作用。
五、漿果成熟期
從有色品種漿果開始著色、無(wu)色(se)品(pin)種(zhong)果(guo)粒(li)開(kai)始(shi)變(bian)得(de)有(you)彈(dan)性(xing)起(qi)到(dao)完(wan)全(quan)成(cheng)熟(shu)為(wei)止(zhi),這(zhe)一(yi)階(jie)段(duan)稱(cheng)為(wei)漿(jiang)果(guo)成(cheng)熟(shu)期(qi)。此(ci)期(qi)漿(jiang)果(guo)體(ti)積(ji)不(bu)再(zai)繼(ji)續(xu)膨(peng)大(da),但(dan)果(guo)肉(rou)組(zu)織(zhi)開(kai)始(shi)變(bian)軟(ruan),糖(tang)分(fen)積(ji)累(lei)增(zeng)加(jia),酸(suan)度(du)減(jian)少(shao),逐(zhu)漸(jian)表(biao)現(xian)品(pin)種(zhong)固(gu)有(you)的(de)色(se)澤(ze)和(he)香(xiang)味(wei)。此(ci)期(qi)持(chi)續(xu)時(shi)間(jian)一(yi)般(ban)為(wei)20~30天。
葡萄成熟前後葡萄新梢開始木質化(枝條老熟),花(hua)芽(ya)繼(ji)續(xu)分(fen)化(hua),貯(zhu)藏(zang)養(yang)分(fen)開(kai)始(shi)向(xiang)根(gen)部(bu)輸(shu)送(song)。這(zhe)一(yi)階(jie)段(duan)要(yao)注(zhu)意(yi)保(bao)護(hu)好(hao)葉(ye)片(pian),使(shi)葉(ye)片(pian)保(bao)持(chi)較(jiao)高(gao)的(de)光(guang)合(he)速(su)率(lv),以(yi)保(bao)證(zheng)果(guo)實(shi)內(nei)有(you)更(geng)多(duo)的(de)糖(tang)分(fen)積(ji)累(lei),同(tong)時(shi)要(yao)嚴(yan)格(ge)控(kong)製(zhi)氮(dan)肥(fei)和(he)水(shui)分(fen);雨水過多時,要做好排澇工作,防止葡萄裂果和病蟲、蜂、雀等為害。為了增強果實的耐貯性,從采收前1個月開始,要補充噴施一些鈣肥。
六、新梢成熟期及落葉期
此期自漿果成熟采收到落葉為止。葡萄新梢成熟是由下向上進行的,開始時基部1~3節(jie)枝(zhi)條(tiao)逐(zhu)漸(jian)變(bian)成(cheng)褐(he)色(se),表(biao)皮(pi)木(mu)栓(shuan)化(hua),以(yi)後(hou)如(ru)天(tian)氣(qi)晴(qing)朗(lang),氣(qi)溫(wen)平(ping)和(he),新(xin)梢(shao)逐(zhu)漸(jian)由(you)下(xia)向(xiang)上(shang)成(cheng)熟(shu)。深(shen)秋(qiu),隨(sui)著(zhe)氣(qi)溫(wen)下(xia)降(jiang),葉(ye)片(pian)光(guang)合(he)作(zuo)用(yong)減(jian)弱(ruo)或(huo)停(ting)止(zhi),葉(ye)色(se)由(you)綠(lv)色(se)變(bian)成(cheng)黃(huang)色(se)或(huo)紅(hong)色(se),葉(ye)柄(bing)產(chan)生(sheng)離(li)層(ceng)而(er)脫(tuo)落(luo)。新(xin)梢(shao)成(cheng)熟(shu)得(de)越(yue)好(hao),在(zai)冬(dong)前(qian)通(tong)過(guo)的(de)低(di)溫(wen)鍛(duan)煉(lian)就(jiu)越(yue)充(chong)分(fen)。經(jing)過(guo)低(di)溫(wen)鍛(duan)煉(lian)的(de)枝(zhi)條(tiao),抗(kang)寒(han)能(neng)力(li)顯(xian)著(zhu)提(ti)高(gao)。此(ci)期(qi)內(nei)除(chu)促(cu)進(jin)新(xin)梢(shao)迅(xun)速(su)成(cheng)熟(shu)外(wai),還(hai)應(ying)注(zhu)意(yi)早(zao)施(shi)基(ji)肥(fei)。果(guo)實(shi)采(cai)收(shou)後(hou)及(ji)時(shi)施(shi)足(zu)基(ji)肥(fei)不(bu)但(dan)能(neng)提(ti)高(gao)土(tu)壤(rang)溫(wen)度(du),防(fang)止(zhi)根(gen)係(xi)受(shou)凍(dong),同(tong)時(shi)能(neng)為(wei)來(lai)年(nian)葡(pu)萄(tao)生(sheng)長(chang)發(fa)育(yu)奠(dian)定(ding)良(liang)好(hao)的(de)基(ji)礎(chu)。
七、休眠期
此期從落葉後開始,到次年樹液開始流動時為止。其中可劃分為兩階段,即自然休眠期(生理休眠期)hebeipoxiumianqi。suiranxiguanshangjiangluoyezuoweiziranxiumiankaishidebiaozhi,danshijishangputaoxinshaoshangdedongyazaozailuoyeyiqianyijinruxiumianzhuangtai。ziranxiumianqijieshuhou,ruowaijieqiwentiaojianshiyi,yayanjikemengdong,danyouyuzheshizhengchudongmo,qiwenrengjiaodileng。yinci,zhizhubunengmengyashengchang,cishidexiumianchengweibeipoxiumian。xiumianshizhiwubenshenduihuanjingshiyingdeyizhongbiaoxian,dangziranxiumianbuwanquanshi,zhizhubiaoxianchumengyayanchiqiebuzhengqi,shenzhikaihuaqiyesuizhiyanchi。yibanzaipeipinzhongwanquandapoziranxiumianyaoqiudiyu7.2℃溫度以下的總時數為800~1200小(xiao)時(shi)。不(bu)同(tong)品(pin)種(zhong)完(wan)成(cheng)休(xiu)眠(mian)所(suo)需(xu)的(de)低(di)溫(wen)時(shi)數(shu)長(chang)短(duan)有(you)所(suo)不(bu)同(tong),利(li)用(yong)溫(wen)室(shi)或(huo)塑(su)料(liao)大(da)棚(peng)栽(zai)培(pei)葡(pu)萄(tao)時(shi)常(chang)出(chu)現(xian)發(fa)芽(ya)不(bu)整(zheng)齊(qi)的(de)現(xian)象(xiang),其(qi)原(yuan)因(yin)就(jiu)是(shi)低(di)溫(wen)量(liang)不(bu)足(zu)的(de)緣(yuan)故(gu)。這(zhe)時(shi)可(ke)用(yong)20%石灰氮浸出液(石灰氮20g,加水100g)塗抹芽眼,從而起到代替低溫、打破休眠的作用,促進植株迅速整齊地萌發。
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