1.嚴格控製水分
玉(yu)米(mi)種(zhong)子(zi)收(shou)獲(huo)初(chu)期(qi),含(han)水(shui)量(liang)較(jiao)高(gao),經(jing)過(guo)一(yi)段(duan)時(shi)間(jian)的(de)自(zi)然(ran)風(feng)幹(gan)或(huo)機(ji)械(xie)烘(hong)幹(gan),使(shi)種(zhong)子(zi)含(han)水(shui)量(liang)逐(zhu)漸(jian)地(di)降(jiang)下(xia)來(lai)。含(han)水(shui)量(liang)必(bi)須(xu)降(jiang)到(dao)種(zhong)子(zi)所(suo)要(yao)求(qiu)的(de)安(an)全(quan)水(shui)分(fen),也(ye)就(jiu)是(shi)含(han)水(shui)量(liang)必(bi)須(xu)降(jiang)到(dao)14%以(yi)下(xia),種(zhong)子(zi)才(cai)能(neng)夠(gou)安(an)全(quan)過(guo)冬(dong)。如(ru)含(han)水(shui)量(liang)過(guo)高(gao),種(zhong)子(zi)內(nei)部(bu)各(ge)種(zhong)酶(mei)類(lei)就(jiu)要(yao)進(jin)行(xing)新(xin)陳(chen)代(dai)謝(xie),呼(hu)吸(xi)能(neng)力(li)就(jiu)要(yao)加(jia)強(qiang),遇(yu)到(dao)過(guo)低(di)的(de)溫(wen)度(du)時(shi),種(zhong)子(zi)就(jiu)要(yao)受(shou)到(dao)凍(dong)害(hai),部(bu)分(fen)或(huo)全(quan)部(bu)喪(sang)失(shi)發(fa)芽(ya)能(neng)力(li),第(di)二(er)年(nian)播(bo)種(zhong)到(dao)田(tian)間(jian)就(jiu)會(hui)出(chu)現(xian)出(chu)苗(miao)不(bu)全(quan)或(huo)完(wan)全(quan)不(bu)出(chu)苗(miao)。
2.注意提高種子質量
如(ru)種(zhong)子(zi)中(zhong)含(han)有(you)較(jiao)多(duo)的(de)不(bu)成(cheng)熟(shu)或(huo)破(po)碎(sui)的(de)種(zhong)子(zi),以(yi)及(ji)其(qi)它(ta)大(da)量(liang)的(de)塵(chen)土(tu)雜(za)質(zhi)等(deng),都(dou)會(hui)給(gei)種(zhong)子(zi)安(an)全(quan)貯(zhu)藏(zang)帶(dai)來(lai)不(bu)良(liang)後(hou)果(guo),在(zai)貯(zhu)藏(zang)中(zhong)一(yi)定(ding)要(yao)注(zhu)意(yi)保(bao)持(chi)種(zhong)子(zi)的(de)純(chun)度(du)和(he)淨(jing)度(du)。
3.嚴格控製溫度
zhongzihanshuiliangdadaoanquanshuifendeyaoqiu,zhongzichengshuduhao,zheyangdezhongzikechangqizhuzangzaiganzaodelengkuli,erbuyingxiangqifayanengli。ruguoyumizhongzihanshuiliangzai14%yishang,jiuyaocaiquyouxiaodeguanlicuoshi,yaobaocunzaiwendulingsheshiduyishangdehuanjingli,yizhidaolainianbozhong,wendudoubudediyulingsheshidu。diyulingsheshidu,zhongzijiukenengshoudaodonghai,sangshifayanenglihuofayanenglijiangdi。
4.保持通風良好
玉米種子具有明顯的吸潮性,即使是幹燥的種子,遇到雨淋、xuedefugaihuoyanqidexunzheng,douhuichuxianfanchaoxianxiang,yehuijiangdiyumizhongzidefayalv。suoyibixudiandifangchao,yaobazhuangyouzhongzidemadaihuoqitarongqiyongmuliaohuozhuandianlidimian50厘(li)米(mi)以(yi)上(shang),室(shi)內(nei)要(yao)保(bao)持(chi)幹(gan)燥(zao)通(tong)風(feng)良(liang)好(hao),即(ji)使(shi)種(zhong)子(zi)經(jing)常(chang)處(chu)在(zai)幹(gan)燥(zao)的(de)狀(zhuang)態(tai)中(zhong),也(ye)要(yao)經(jing)常(chang)進(jin)行(xing)人(ren)工(gong)通(tong)風(feng)。放(fang)在(zai)外(wai)麵(mian)存(cun)放(fang)的(de)種(zhong)子(zi),要(yao)用(yong)遮(zhe)蓋(gai)將(jiang)頂(ding)部(bu)蓋(gai)嚴(yan),防(fang)止(zhi)雪(xue)蓋(gai)。
5.嚴禁用塑料袋裝種子
因yin為wei塑su料liao袋dai不bu透tou氣qi,會hui使shi種zhong子zi和he空kong氣qi隔ge絕jue,種zhong子zi不bu能neng進jin行xing呼hu吸xi作zuo用yong,同tong時shi,種zhong子zi呼hu出chu的de一yi氧yang化hua碳tan也ye無wu法fa排pai出chu,時shi間jian長chang了le,袋dai子zi裏li的de二er氧yang化hua碳tan積ji累lei過guo多duo,造zao成cheng二er氧yang化hua碳tan中zhong毒du;另外,種子本身的水分和呼吸作用所產生的熱量散發不出去,造成種子發熱黴變。
6.貯藏期間要定期檢查
根據不同季節,對保存方法、含水量、溫度、發芽率等情況進行定期檢查,重點檢查3個方麵:一是檢查種子是否受潮濕;二是檢查種子是否被蟲蛀、鼠咬;三san是shi檢jian查zha種zhong子zi的de發fa芽ya率lv和he發fa芽ya勢shi。因yin種zhong子zi冬dong貯zhu時shi間jian是shi較jiao長chang的de,在zai整zheng個ge種zhong子zi貯zhu藏zang過guo程cheng中zhong,種zhong子zi自zi身shen的de含han水shui量liang受shou空kong氣qi的de溫wen度du和he濕shi度du的de影ying響xiang,都dou可ke能neng發fa生sheng較jiao大da的de變bian化hua。定ding期qi進jin行xing檢jian查zha是shi必bi不bu可ke少shao的de。
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