選種關
在種植秋馬鈴薯時應選擇優質、高產、早熟、休眠期較短(40-50天)、適宜二季作區種植的品種,如鄭薯五號、鄭薯六號、中薯三號、費烏瑞它、東農303、克新四號、早大白等。
催芽關
從cong春chun季ji收shou獲huo後hou至zhi秋qiu季ji播bo種zhong期qi間jian,由you於yu時shi間jian較jiao短duan,有you的de種zhong薯shu還hai未wei通tong過guo休xiu眠mian期qi,所suo以yi栽zai培pei秋qiu馬ma鈴ling薯shu時shi一yi定ding要yao浸jin種zhong催cui芽ya。對dui休xiu眠mian期qi較jiao短duan的de品pin種zhong如ru鄭zheng薯shu五wu號hao、鄭薯六號、中薯三號,在播種前一周左右將種薯放入5ppm的赤黴素溶液中浸泡5分鍾,然後催芽;對休眠期較長的品種如費烏瑞它、東農303、克新四號、早(zao)大(da)白(bai)等(deng),浸(jin)種(zhong)時(shi)要(yao)適(shi)當(dang)提(ti)高(gao)赤(chi)黴(mei)素(su)溶(rong)液(ye)的(de)濃(nong)度(du),並(bing)且(qie)還(hai)要(yao)延(yan)長(chang)催(cui)芽(ya)和(he)浸(jin)種(zhong)時(shi)間(jian)。浸(jin)種(zhong)時(shi)先(xian)用(yong)少(shao)量(liang)酒(jiu)精(jing)將(jiang)赤(chi)黴(mei)素(su)溶(rong)解(jie),然(ran)後(hou)加(jia)水(shui)稀(xi)釋(shi)到(dao)所(suo)需(xu)的(de)濃(nong)度(du),將(jiang)種(zhong)薯(shu)裝(zhuang)入(ru)簍(lou)或(huo)網(wang)袋(dai)中(zhong)再(zai)放(fang)入(ru)藥(yao)液(ye)浸(jin)泡(pao)即(ji)可(ke)。浸(jin)泡(pao)後(hou)將(jiang)種(zhong)薯(shu)撈(lao)出(chu)放(fang)在(zai)沙(sha)床(chuang)(床寬100厘米,沙土的厚度為5厘米)上,攤放薯塊的厚度為20厘米左右,然後在上麵及四周覆蓋濕潤的沙土5厘米厚左右。當芽長至2厘米長時扒出並放到陰涼有散射光的地方進行綠化,2-3天後即可播種。
jinzhongcuiyashiyaoyangepeizhichimeisurongyedenongdu。nongdudishiqibudaojinzhongzuoyong,nongdugaoshirongyichuxianruomiaohecumiao,zaochengjianchanshenzhijueshou。chimeisurongyeyaosuipeisuiyong,jigeyezaiyong。ciwai,zhongshuduijibuyaoguohou,fouzeyizaochenglanshu。
播種關
由於秋季播種時間正值高溫多雨季節,容易爛種,所以要整薯播種,可選擇50克ke左zuo右you的de小xiao土tu豆dou作zuo為wei種zhong薯shu使shi用yong。秋qiu馬ma鈴ling薯shu產chan量liang低di的de一yi個ge主zhu要yao原yuan因yin就jiu是shi適shi宜yi馬ma鈴ling薯shu生sheng長chang的de時shi間jian較jiao短duan,所suo以yi商shang品pin薯shu生sheng產chan要yao適shi當dang提ti前qian播bo種zhong,盡jin量liang延yan長chang其qi生sheng長chang時shi間jian,播bo種zhong時shi間jian可ke選xuan在zai8月初。8月高溫多雨,田間積水時易引起爛薯,影響出苗及植株生長,所以雨後要及時排除積水並進行中耕,以利出苗。
管理關
qiumalingshushengchangqianqiwendugao,shiyijingyeshengchang,houqiwendudi,zhouyewenchada,liyushukuaipengda,zhenggeshengchangqijianyibanbuhuichuxiantuchangxianxiang。suoyizaipeiqiumalingshushiyaodashuidafeiyicudaodi,zaozhuifeizaoguanli。zaijifeichongzudeqingkuangxia,shengchangqijianyaozhuiliangcifei,diyicizhuifeizaichumiao70%-80%時進行,畝施碳銨50公斤;第二次追肥在苗高20厘米左右時進行,畝施尿素15-30公斤。平時視雨水情況及時澆水,保持地表濕潤。秋季培土應采取每次淺培、多次培土的辦法。第一次培土在苗高20厘米左右時進行,第二次培土在開花初期進行,第三次培土在10yuexiaxunshuangjiangqian,cicipeituyaohouxie,yilibaohukuaijing,fangzhishuangdong。shuangjiangqianjiaoyicidashuifangshuang,yishidangyanchangjingyeshengchangshijian,zhengquhouqichanliang。youtiaojiandedifang10月中下旬可在田間加設小拱棚等。
病蟲害防治關
qiujiyinyutianjiaoduo,bingchonghaijiaozhong,rushuyufangzhi,wangwanghuiyinqibingchonghaidemanyan,zaochengyanzhongjianchan。qiujizuichangfashengdebinghaishiwanyibing,chonghaishichahuangman,weihaishijianduozai9月中下旬至10月上旬。對晚疫病可用瑞毒黴、可殺得、殺毒礬、乙磷鋁、波爾多液等藥劑防治,對茶蟥蟎可用三氯殺蟎醇、克蟎特、滅蟎猛、環丙殺蟎醇等藥劑防治。9月中下旬噴一次藥,以後每隔一周噴一次藥,噴三次藥即可控製晚疫病和茶蟥蟎的發生。
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