馬鈴薯貯藏的目的主要是保證食用、加(jia)工(gong)和(he)種(zhong)用(yong)品(pin)質(zhi)。食(shi)用(yong)商(shang)品(pin)薯(shu)的(de)貯(zhu)藏(zang),應(ying)盡(jin)量(liang)減(jian)少(shao)水(shui)分(fen)損(sun)失(shi)和(he)營(ying)養(yang)物(wu)質(zhi)的(de)消(xiao)耗(hao),避(bi)免(mian)見(jian)光(guang)使(shi)薯(shu)皮(pi)變(bian)綠(lv),食(shi)味(wei)變(bian)劣(lie),使(shi)塊(kuai)莖(jing)始(shi)終(zhong)保(bao)持(chi)新(xin)鮮(xian)狀(zhuang)態(tai)。加(jia)工(gong)用(yong)薯(shu)的(de)貯(zhu)藏(zang),應(ying)防(fang)止(zhi)澱(dian)粉(fen)轉(zhuan)化(hua)為(wei)糖(tang)。種(zhong)用(yong)馬(ma)鈴(ling)薯(shu)可(ke)見(jian)散(san)射(she)光(guang),保(bao)持(chi)良(liang)好(hao)的(de)出(chu)芽(ya)繁(fan)殖(zhi)能(neng)力(li)是(shi)貯(zhu)藏(zang)的(de)主(zhu)要(yao)目(mu)標(biao)。采(cai)用(yong)科(ke)學(xue)的(de)方(fang)法(fa)進(jin)行(xing)管(guan)理(li),才(cai)能(neng)避(bi)免(mian)塊(kuai)莖(jing)腐(fu)爛(lan)、發芽和病害蔓延,保持其商品和種用品質,降低貯藏期間的自然損耗。
馬鈴薯貯藏期間要經過後熟期、休眠期和萌發期三個生理階段。
後熟期:
收shou獲huo後hou的de馬ma鈴ling薯shu塊kuai莖jing還hai未wei充chong分fen成cheng熟shu,生sheng理li年nian齡ling不bu完wan全quan相xiang同tong,大da約yue需xu要yao半ban個ge月yue到dao一yi個ge月yue的de時shi間jian才cai能neng達da到dao成cheng熟shu,稱cheng為wei後hou熟shu期qi。這zhe一yi階jie段duan塊kuai莖jing的de呼hu吸xi強qiang度du由you強qiang逐zhu漸jian變bian弱ruo,表biao皮pi也ye木mu柱zhu化hua,塊kuai莖jing內nei的de含han水shui量liang在zai這zhe一yi期qi間jian下xia降jiang迅xun速su(大約下降5%),同時釋放大量的熱量。因此,剛收獲的馬鈴薯要在背蔭通風處攤開晾曬15天左右,使運輸時破皮、擠傷、表皮擦傷的塊莖進行傷口愈合,形成木栓層和傷口周皮並度過後熟階段,然後再裝袋入庫或窖。
休眠期:
後熟階段完成後。塊莖芽眼中幼芽處於穩定不萌發狀態。塊莖內的生理生化活動極微弱,有利於貯藏。0.5-2℃可顯著延長貯藏期。
萌發期:
馬ma鈴ling薯shu通tong過guo休xiu眠mian期qi後hou,在zai適shi宜yi的de溫wen濕shi度du下xia,幼you芽ya開kai始shi萌meng動dong生sheng長chang,塊kuai莖jing重zhong量liang明ming顯xian減jian輕qing。作zuo為wei食shi用yong和he加jia工gong的de塊kuai莖jing要yao采cai取qu措cuo施shi防fang止zhi發fa芽ya,如ru噴pen抑yi芽ya劑ji等deng。馬ma鈴ling薯shu貯zhu藏zang過guo程cheng中zhong,前qian後hou期qi要yao注zhu意yi防fang熱re,中zhong間jian要yao注zhu意yi防fang凍dong。
馬鈴薯在貯藏期間塊莖重量的自然損耗是不大的,傷熱、受凍、fulansuozaochengdesunshishizuizhuyaode。yinciyaolejiehezhangwomalingshuzhuzangguochengyuhuanjingtiaojiandeguanxijiduihuanjingtiaojiandeyaoqiu,caiyongkexueguanlifangfa,zuidaxiandudijianshaozhuzangqijiandesunshi。
首先,倉庫或窖要清理、消毒,通風換氣,使庫(窖)內濕氣排除、溫度下降。對要入庫(窖)的馬鈴薯,先晾曬,使其在庫(窖)外渡過後熟期,然後裝袋碼垛,垛不要高,一般碼五袋高,兩列並排為一行,行與行之間要留半米左右的通風道,行的長度視庫(窖)的(de)大(da)小(xiao)來(lai)定(ding)。包(bao)裝(zhuang)袋(dai)最(zui)好(hao)選(xuan)用(yong)網(wang)眼(yan)袋(dai),利(li)於(yu)通(tong)氣(qi)散(san)熱(re)。要(yao)用(yong)木(mu)杠(gang)將(jiang)袋(dai)子(zi)與(yu)地(di)麵(mian)隔(ge)開(kai),利(li)於(yu)地(di)熱(re)及(ji)土(tu)地(di)濕(shi)氣(qi)的(de)散(san)失(shi)。馬(ma)鈴(ling)薯(shu)貯(zhu)藏(zang)期(qi)間(jian)的(de)溫(wen)度(du)調(tiao)節(jie)最(zui)為(wei)關(guan)鍵(jian)。因(yin)為(wei)貯(zhu)藏(zang)溫(wen)度(du)是(shi)塊(kuai)莖(jing)貯(zhu)藏(zang)壽(shou)命(ming)的(de)主(zhu)要(yao)因(yin)素(su)之(zhi)一(yi)。環(huan)境(jing)溫(wen)度(du)過(guo)低(di),塊(kuai)莖(jing)會(hui)受(shou)凍(dong);環境溫度過高會使薯堆傷熱,導致爛薯。一般情況下,當環境溫度在-1--3℃時,9個小時塊莖就凍硬;-5℃時2個小時塊莖就受凍。長期在0℃左zuo右you環huan境jing中zhong貯zhu藏zang塊kuai莖jing,芽ya的de生sheng長chang和he萌meng發fa受shou到dao抑yi製zhi,生sheng命ming力li減jian弱ruo。高gao溫wen下xia貯zhu藏zang,塊kuai莖jing打da破po休xiu眠mian的de時shi間jian較jiao短duan,也ye易yi引yin起qi爛lan薯shu。最zui適shi宜yi的de貯zhu存cun溫wen度du是shi,商shang品pin薯shu4-5℃,種薯1-3℃,加工用的塊莖以7-8℃為宜。
環境濕度是影響馬鈴薯貯藏的又一重要因素。保持貯藏環境內的適宜濕度,有利於減少塊莖失水損耗;但是庫(窖)內過於潮濕,塊莖上會凝結小水滴,也叫"出汗"xianxiang。yifangmianhuicushikuaijingzaizhuzangzhonghouqifayabingchangchuxugen,lingyifangmianyouyushiduda,haihuiweiyixiebingyuanjunhefushengyindeqinranchuangzaotiaojian,daozhifabinghefulan。xiangfan,ruguozhuzanghuanjingguoyuganzao,suikejianshaofulan,danjiyidaozhishukuaishishuizhousuo,tongyangjiangdikuaijingdeshangpinxinghezhongyongxing。
馬鈴薯無論商品薯還是種薯,最適宜的貯藏濕度應為空氣相對濕度的85%--90%。
商(shang)品(pin)薯(shu)貯(zhu)藏(zang)應(ying)避(bi)免(mian)見(jian)光(guang),光(guang)可(ke)使(shi)薯(shu)皮(pi)變(bian)綠(lv),龍(long)葵(kui)素(su)含(han)量(liang)增(zeng)加(jia),降(jiang)低(di)食(shi)用(yong)品(pin)質(zhi)。種(zhong)薯(shu)在(zai)貯(zhu)藏(zang)期(qi)間(jian)見(jian)光(guang),可(ke)抑(yi)製(zhi)幼(you)芽(ya)的(de)生(sheng)長(chang),防(fang)止(zhi)出(chu)現(xian)徒(tu)長(chang)芽(ya)。此(ci)外(wai),種(zhong)薯(shu)變(bian)綠(lv)後(hou)有(you)抑(yi)製(zhi)病(bing)菌(jun)侵(qin)染(ran)的(de)作(zuo)用(yong),避(bi)免(mian)爛(lan)薯(shu)。另(ling)外(wai),貯(zhu)藏(zang)期(qi)間(jian)要(yao)注(zhu)意(yi)適(shi)量(liang)通(tong)風(feng),保(bao)證(zheng)塊(kuai)莖(jing)有(you)足(zu)夠(gou)氧(yang)氣(qi)進(jin)行(xing)呼(hu)吸(xi),同(tong)時(shi)排(pai)除(chu)多(duo)餘(yu)二(er)氧(yang)化(hua)碳(tan)。
yingxiangmalingshukuaijingzhuzangdeneibuyinsuyouliangge,yishipinzhongdenaizhuxing,ershikuaijingdechengshudu。zaitongyangdezhuzangtiaojianxia,youdepinzhongnaizhuxingqiang,youdepinzhongnaizhuxingcha。yinciyingxuanzeshiyudangdizhuzangtiaojiandepinzhong。lingwaichengshuduhaodekuaijing,biaopimushuanhuachengdugao,shouhuoheyunshuguochengzhongbuyicashang,zhuzangqijianshishuishao,buyizhousuo。ciwai,chengshuduhaodekuaijing,qineibudianfendengganwuzhijileichongzu,dadazengqianglenaizhuxing。mochengshudekuaijing,youyubiaopiyounen,weixingchengmuzhuceng,shouhuoheyunshuguochengzhongyishoucashang,weibingjunqinruchuangzaoletiaojian。youyuyounenkuaijinghanshuilianggao,ganwuzhijileishao,quefaduibulianghuanjingdedikangnengli,yincizhuzangguochengzhongyishishuizhousuohefashengfulan。
手機版




