龍薯9號:該品種由福建省龍巖市農科所培育。蔓長0.8-1m,分支5-8條,脈基微(wei)紅(hong),莖葉全綠(lv),葉片心(xin)臟形,一(yi)般結薯(shu)(shu)3-5塊(kuai),薯(shu)(shu)塊(kuai)紡(fang)錘形,紅(hong)皮橘紅(hong)肉,整齊光(guang)滑,大塊(kuai)率高,口(kou)味(wei)甜,適應性強,是一(yi)個(ge)鮮食、加(jia)工、烘烤的(de)上等(deng)品(pin)種,春薯(shu)(shu)畝(mu)(mu)產7000斤左右,夏薯(shu)(shu)6000斤。畝(mu)(mu)栽株樹(shu):春薯(shu)(shu)3500株,夏薯(shu)(shu)4000株。
商薯19:原代號:968-19,是我國著名育薯專家雷書聲和助手李淵華用SL-01作(zuo)(zuo)母(mu)本,豫薯(shu)(shu)(shu)(shu)(shu)7號作(zuo)(zuo)父本,包羅64個國(guo)內外(wai)良種遺傳基因雜(za)合體的雜(za)交新品種。葉(xie)片(pian)心臟形,葉(xie)片(pian)葉(xie)脈全(quan)(quan)綠色,莖(jing)蔓粗,長短及分(fen)枝中等。結薯(shu)(shu)(shu)(shu)(shu)早而特(te)(te)別(bie)集中,無“跑邊”,極(ji)易收刨。薯(shu)(shu)(shu)(shu)(shu)塊多而勻,表皮(pi)光潔,上薯(shu)(shu)(shu)(shu)(shu)率和商品率高(gao)。薯(shu)(shu)(shu)(shu)(shu)塊紡錘形,皮(pi)色深紅,肉色特(te)(te)白,曬干率36-38%,淀粉含(han)量(liang)23-25%,淀粉特(te)(te)優(you)(you)特(te)(te)白。食(shi)味特(te)(te)優(you)(you),被農(nong)民(min)譽為“栗子香”。由于薯(shu)(shu)(shu)(shu)(shu)形漂亮食(shi)味優(you)(you),市(shi)場售價比徐(xu)薯(shu)(shu)(shu)(shu)(shu)18每斤高(gao)5-8分(fen)錢。連續兩(liang)年參加全(quan)(quan)國(guo)區試,鮮薯(shu)(shu)(shu)(shu)(shu)和薯(shu)(shu)(shu)(shu)(shu)干產量(liang)居首位。特(te)(te)別(bie)在平(ping)原地(di)區,產量(liang)比徐(xu)薯(shu)(shu)(shu)(shu)(shu)18增產近1倍。一般畝(mu)產量(liang):春薯(shu)(shu)(shu)(shu)(shu)8000斤,夏薯(shu)(shu)(shu)(shu)(shu)7000斤左右。畝(mu)栽株數:春薯(shu)(shu)(shu)(shu)(shu)2500-3000株,夏薯(shu)(shu)(shu)(shu)(shu)3000-4000株。







