審(shen)定(ding)編號：桂審薯2013006號
品(pin)種名稱：桂經薯1號
選(xuan)育單位：廣西農(nong)業科學院經濟作(zuo)物(wu)研究(jiu)所
品種(zhong)來源(yuan)：以冀(ji)98為母本，通過自(zi)然雜交授粉而獲得(de)種子(zi)，對種子(zi)實生苗鑒定篩選育成(cheng)。
特(te)(te)征特(te)(te)性：株型匍匐，中(zhong)短蔓，薯蔓長1-2米，分枝9.7個，莖粗5.6毫(hao)米，葉片心齒形(xing)，葉頂綠色(se)(se)，葉綠色(se)(se)，葉脈微紫(zi)色(se)(se)，莖綠色(se)(se)，結(jie)薯較集中(zhong)，單株結(jie)薯5-10個，中(zhong)小薯，薯形(xing)紡(fang)錘形(xing)，皮(pi)紅色(se)(se)，淡黃肉(rou)；屬中(zhong)早(zao)熟品種，生(sheng)育(yu)期110天左(zuo)右。2010年(nian)委托廣西分析(xi)測(ce)試(shi)中(zhong)心測(ce)定，干(gan)物率35.2%,淀粉24.5%,可溶(rong)性糖2.25%，粗纖維2.4%，蛋白質(zhi)2.5%，維生(sheng)素(su)C 20毫(hao)克/100克。
產量表現：兩年區試(shi)平(ping)均(jun)(jun)畝(mu)產鮮(xian)薯(shu)(shu)2233.4公(gong)斤(jin)，平(ping)均(jun)(jun)干(gan)(gan)物(wu)率為24.51%；平(ping)均(jun)(jun)薯(shu)(shu)干(gan)(gan)畝(mu)產達548.2公(gong)斤(jin)，薯(shu)(shu)干(gan)(gan)比對照種(zhong)桂薯(shu)(shu)2號增產16.4%。
栽(zai)培要(yao)點：1、選用具(ju)有本品種(zhong)(zhong)(zhong)(zhong)特(te)性的健康種(zhong)(zhong)(zhong)(zhong)薯(shu)(shu)(shu)（苗(miao)(miao)）作種(zhong)(zhong)(zhong)(zhong)。2、每(mei)壟(long)行(xing)距1.2米(mi)，采用整條種(zhong)(zhong)(zhong)(zhong)苗(miao)(miao)開淺溝擺種(zhong)(zhong)(zhong)(zhong)蓋(gai)土，每(mei)隔20厘米(mi)左右(you)露1-2節薯(shu)(shu)(shu)苗(miao)(miao)，利于出苗(miao)(miao)結薯(shu)(shu)(shu)；或者薯(shu)(shu)(shu)苗(miao)(miao)短苗(miao)(miao)25-30厘米(mi)彎溝壓土露苗(miao)(miao)種(zhong)(zhong)(zhong)(zhong)植(zhi)。每(mei)畝種(zhong)(zhong)(zhong)(zhong)植(zhi)5000株左右(you)。夏種(zhong)(zhong)(zhong)(zhong)紅薯(shu)(shu)(shu)，鑒于高(gao)溫高(gao)濕，最好(hao)將薯(shu)(shu)(shu)苗(miao)(miao)進行(xing)殺(sha)菌消毒，以(yi)防病害。3、種(zhong)(zhong)(zhong)(zhong)植(zhi)時，每(mei)畝施(shi)放農家肥1000公(gong)斤、復合肥50公(gong)斤；苗(miao)(miao)長40-50厘米(mi)時，結合中耕(geng)除草、培土畝施(shi)鉀(jia)肥15-20公(gong)斤。4、一般在種(zhong)(zhong)(zhong)(zhong)植(zhi)后110天左右(you)收獲。
審定意見：經審核，該品種(zhong)(zhong)符合廣(guang)西(xi)甘薯品種(zhong)(zhong)審定標準，通(tong)過審定，可(ke)在全區種(zhong)(zhong)植。
