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、雌(ci)蕊(rui),同(tong)時(shi)也(ye)開(kai)始(shi)形(xing)成(cheng)第(di)二(er)和(he)第(di)三(san)花(hua)序(xu)。此(ci)時(shi)若(ruo)營(ying)養(yang)不(bu)足(zu),花(hua)序(xu)原(yuan)基(ji)分(fen)化(hua)微(wei)弱(ruo),就(jiu)會(hui)形(xing)成(cheng)發(fa)育(yu)不(bu)全(quan)或(huo)帶(dai)卷(juan)須(xu)的(de)花(hua)序(xu),甚(shen)至(zhi)使(shi)已(yi)經(jing)分(fen)化(hua)的(de)花(hua)序(xu)原(yuan)基(ji)完(wan)全(quan)萎(wei)縮(suo)。
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、xinshaohegenxideshengchangyijihuaxudefenhua,douxuyaodaliangyingyang。youyuzheyijieduangeqiguandouchuzaiwangshengshengchangjieduan,duishuifeixuyaoliangda,suoyishengchanshangyidingyaojiaqiangfeishuiguanli,bingyaojishimoyahebangman,cushixinshaowangshengjianzhuangdeshengchang。
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、yeshengchangdouxuyaoxiaohaodaliangdeyingyangwuzhi,suoyiciqishiputaoguanlideguanjianshiqi,yechengshuifeilinjieqi。shengchanshangbixujiaqiangguanli,jishizhaixin,kongzhifushaoshengchang,gaishantongfengtouguangtiaojian。duihuaxujiaoduo、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)。
在(zai)漿(jiang)果(guo)生(sheng)長(chang)期(qi),新(xin)梢(shao)延(yan)長(chang)生(sheng)長(chang)雖(sui)然(ran)比(bi)較(jiao)緩(huan)慢(man),但(dan)加(jia)粗(cu)生(sheng)長(chang)仍(reng)在(zai)不(bu)斷(duan)進(jin)行(xing),這(zhe)時(shi)也(ye)正(zheng)是(shi)越(yue)冬(dong)芽(ya)眼(yan)中(zhong)花(hua)序(xu)突(tu)起(qi)形(xing)成(cheng)的(de)關(guan)鍵(jian)時(shi)期(qi),所(suo)以(yi)必(bi)須(xu)加(jia)強(qiang)肥(fei)水(shui)管(guan)理(li),適(shi)時(shi)增(zeng)施(shi)磷(lin)、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wei20~30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)和he被bei迫po休xiu眠mian期qi。雖sui然ran習xi慣guan上shang將jiang落luo葉ye作zuo為wei自zi然ran休xiu眠mian開kai始shi的de標biao誌zhi,但dan實shi際ji上shang葡pu萄tao新xin梢shao上shang的de冬dong芽ya早zao在zai落luo葉ye以yi前qian已yi進jin入ru休xiu眠mian狀zhuang態tai。自zi然ran休xiu眠mian期qi結jie束shu後hou,若ruo外wai界jie氣qi溫wen條tiao件jian適shi宜yi,芽ya眼yan即ji可ke萌meng動dong,但dan由you於yu這zhe時shi正zheng處chu冬dong末mo,氣qi溫wen仍reng較jiao低di冷leng。因yin此ci,植zhi株zhu不bu能neng萌meng芽ya生sheng長chang,此ci時shi的de休xiu眠mian稱cheng為wei被bei迫po休xiu眠mian。休xiu眠mian是shi植zhi物wu本ben身shen對dui環huan境jing適shi應ying的de一yi種zhong表biao現xian,當dang自zi然ran休xiu眠mian不bu完wan全quan時shi,植zhi株zhu表biao現xian出chu萌meng芽ya延yan遲chi且qie不bu整zheng齊qi,甚shen至zhi開kai花hua期qi也ye隨sui之zhi延yan遲chi。一yi般ban栽zai培pei品pin種zhong完wan全quan打da破po自zi然ran休xiu眠mian要yao求qiu低di於yu7.2℃溫度以下的總時數為800~1200xiaoshi。butongpinzhongwanchengxiumiansuoxudediwenshishuchangduanyousuobutong,liyongwenshihuosuliaodapengzaipeiputaoshichangchuxianfayabuzhengqidexianxiang,qiyuanyinjiushidiwenliangbuzudeyuangu。zheshikeyong20%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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