鮮甘薯的體積大、含水量多,組織細嫩、皮薄,容易破皮受傷,又易受冷、怕熱、怕幹、怕濕、pamen,ruguoguanlibuhao,henrongyichuxianlanjiaoxianxiang。yinci,yaobaoguanhaoganshu,shizhianquanzhuzang,baozhengqibulanhuoshaolanshizhiguanzhongyaode。yinci,zaizhuzangqijianyingzhuyijiaqiangzhuzangguanli。
首先要把好入窖消毒關:甘薯在貯藏期間的主要病害是軟腐病 黑斑病和莖線蟲病,其次為鐮刀菌幹腐病、青黴病等。發病原因是:薯塊感染病菌、拐子帶菌或病窖傳染等。薯塊受凍害、淹yan害hai或huo缺que氧yang時shi,常chang發fa生sheng軟ruan腐fu病bing。黑hei斑ban病bing菌jun在zai貯zhu藏zang初chu期qi氣qi溫wen較jiao高gao時shi發fa病bing較jiao重zhong。因yin此ci,入ru窖jiao前qian嚴yan格ge精jing選xuan不bu帶dai病bing害hai的de薯shu塊kuai和he薯shu窖jiao消xiao毒du非fei常chang重zhong要yao。薯shu窖jiao消xiao毒du一yi般ban按an每mei立li方fang米mi體ti積ji用yong硫liu磺huang50g,點燃,封閉窖門、窗,熏蒸3天3夜,也可在入窖前用2%福爾馬林或1%~2%硫酸銅噴灑消毒;為了預防病害,甘薯在入窖前可用50%代森銨稀釋 200~300倍,或50%甲基托布津,或25%多菌靈稀釋500~1 000倍浸薯lOmin,晾幹入窖可防黑斑病。對莖線蟲病嚴重的甘薯,收壟後,三壟合一壟,在田間用稀釋400~500倍辛硫磷噴灑薯塊,然後晾幹貯藏,對殺死薯塊表麵線蟲有良好的效果。
其次要做好窖溫控製關:在10℃以下時,薯塊的細胞原生質活動停滯,生理機能受到影響,因而發生冷害。當溫度在-2℃shi,shukuaineibuxibaojianxijiebing,qizuzhibeipohuai,yinerfashengdonghai。shoulenghaihuodonghaideshukuaiyouyushenglizuoyongfanchang,xinchendaixieshoudaopohuai,zhishishukuaidezhuzangxinghekangbinglijiangdi,yinerrongyishoubingjunqinran,zaochenglanjiao。zaizhuzangchuqi,qiwenjiaogao,changchuxianhuxigaofeng,shuduineishuiqiduo,shiduda,yinerzaishukuaibiaomianhuichuxianjieluxianxiang,fashengshijiao。
甘薯在貯藏期間部分澱粉被轉化成糖,造成澱粉的損失。甘薯貯藏一個冬季後,其澱粉含量的降低占總含量的20%zuoyou。yongzhuzangshijianguochangdeganshushengchandianfenshi,dianfendechanlvjiangxiajiang。yinci,ruoyongganshushengchandianfen,chujiangqishaobufenxiancunyibaozhenggongchangdeduanshijianjiagongshengchanwai,tongchangdouyaojiangxinxianganshuqiepianshaiganhouzhuzang,zheyangkebimianganshufulanyijidianfenzhuanhuaweitangerzaochengdesunshi。
手機版




