品種名稱：廣薯87

選育單位：廣東省農業科(ke)學院作物(wu)研究所

引進單位：福建省種子總站

品種來源：廣薯69為母本集團雜交選育(yu)而成

特征特性：該品種株型短蔓半直立(li)，單株分(fen)枝數7-11條，成(cheng)葉(xie)深復缺刻形(xing)，成(cheng)葉(xie)、頂葉(xie)、葉(xie)柄、莖均為綠色，葉(xie)脈(mo)淺紫色，蔓粗中等；單株結(jie)薯4-7個(ge)，薯塊下(xia)紡綞(duo)形(xing)，薯皮紅色，薯肉(rou)橙黃(huang)色。省區試兩年平均：曬干率(lv)28.84%，比(bi)對(dui)(dui)照金山57高2.91個(ge)百分(fen)點；出粉率(lv)18.31%，比(bi)對(dui)(dui)照高3.17個(ge)百分(fen)點；食味評分(fen)83.4分(fen)，比(bi)對(dui)(dui)照高3.4分(fen)。省區試抗病性鑒定綜合評價為抗蔓割病，感薯瘟病。耐(nai)貯(zhu)藏性較好。

產量表現：2006年(nian)參加(jia)省甘薯(shu)(shu)區(qu)試，平(ping)均(jun)鮮(xian)薯(shu)(shu)畝(mu)產(chan)(chan)(chan)(chan)(chan)2559.27公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)金(jin)山57減產(chan)(chan)(chan)(chan)(chan)7.59%，達(da)顯(xian)(xian)著(zhu)水(shui)平(ping)；平(ping)均(jun)薯(shu)(shu)干畝(mu)產(chan)(chan)(chan)(chan)(chan)732.39公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)增產(chan)(chan)(chan)(chan)(chan)0.56%，差異不顯(xian)(xian)著(zhu)；平(ping)均(jun)淀粉畝(mu)產(chan)(chan)(chan)(chan)(chan)455.55公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)增產(chan)(chan)(chan)(chan)(chan)14.23%。2007年(nian)續試，平(ping)均(jun)鮮(xian)薯(shu)(shu)畝(mu)產(chan)(chan)(chan)(chan)(chan)2560.92公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)減產(chan)(chan)(chan)(chan)(chan)1.90%，未達(da)顯(xian)(xian)著(zhu)水(shui)平(ping)；平(ping)均(jun)薯(shu)(shu)干畝(mu)產(chan)(chan)(chan)(chan)(chan)738.95公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)增產(chan)(chan)(chan)(chan)(chan)11.12%，達(da)極顯(xian)(xian)著(zhu)水(shui)平(ping)；平(ping)均(jun)淀粉畝(mu)產(chan)(chan)(chan)(chan)(chan)479.97公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)增產(chan)(chan)(chan)(chan)(chan)16.36%，達(da)極顯(xian)(xian)著(zhu)水(shui)平(ping)。兩(liang)年(nian)平(ping)均(jun)：鮮(xian)薯(shu)(shu)畝(mu)產(chan)(chan)(chan)(chan)(chan)2560.10公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)減產(chan)(chan)(chan)(chan)(chan)4.83%；薯(shu)(shu)干畝(mu)產(chan)(chan)(chan)(chan)(chan)735.67公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)增產(chan)(chan)(chan)(chan)(chan)5.61%；淀粉畝(mu)產(chan)(chan)(chan)(chan)(chan)467.76公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)增產(chan)(chan)(chan)(chan)(chan)15.31%。2008年(nian)生(sheng)產(chan)(chan)(chan)(chan)(chan)試驗，平(ping)均(jun)鮮(xian)薯(shu)(shu)畝(mu)產(chan)(chan)(chan)(chan)(chan)2525.1公(gong)(gong)(gong)斤(jin)(jin)(jin)，比(bi)(bi)(bi)對(dui)(dui)照(zhao)(zhao)(zhao)(zhao)金(jin)山57增產(chan)(chan)(chan)(chan)(chan)7.32%。

栽培技術要點：選用薯(shu)皮光滑、無(wu)病蟲害(hai)的中等薯(shu)塊(kuai)作種薯(shu)育苗(miao)；選擇(ze)水肥(fei)(fei)條(tiao)件好(hao)、土層深厚、土壤疏松的地塊(kuai)種植(zhi)；早(zao)(zao)薯(shu)一(yi)般5月(yue)上(shang)旬栽(zai)(zai)插，晚(wan)薯(shu)8月(yue)上(shang)旬前(qian)栽(zai)(zai)插。畝栽(zai)(zai)插4000株左右。宜(yi)采用重施基肥(fei)(fei)、適時施用點頭肥(fei)(fei)、夾邊肥(fei)(fei)，看苗(miao)補(bu)施裂縫肥(fei)(fei)的原則，促(cu)進莖葉早(zao)(zao)生快(kuai)發。畝施純(chun)氮(dan)11公斤，氮(dan)、磷、鉀比例1：0.5：1.5；注意防(fang)治病蟲害(hai)；生育期(qi)120－140天。

省農作物品種審定委員會審定意見：廣薯(shu)87屬優質食(shi)用(yong)型甘(gan)薯(shu)新(xin)品種(zhong)。鮮薯(shu)產(chan)(chan)量比(bi)對照金(jin)山57低，薯(shu)干產(chan)(chan)量較(jiao)高，淀粉產(chan)(chan)量高；曬干率(lv)和出粉率(lv)均較(jiao)高，食(shi)味品質較(jiao)優；抗蔓割病(bing)(bing)，感(gan)薯(shu)瘟(wen)病(bing)(bing)。適宜(yi)福(fu)建(jian)(jian)省非薯(shu)瘟(wen)病(bing)(bing)區種(zhong)植，栽培(pei)上宜(yi)種(zhong)植脫毒種(zhong)苗，重(zhong)施(shi)基(ji)肥，使莖(jing)葉盡快封壟(long)，注(zhu)意防治薯(shu)瘟(wen)病(bing)(bing)。經審(shen)核，符合福(fu)建(jian)(jian)省農作物品種(zhong)審(shen)（認）定(ding)規定(ding)，通過(guo)審(shen)定(ding)。