品種名稱：先達1118

      申請者：三北種業有限公司

      育種者：三北種業有限公司

      品種來源：TH154×NPNP2551

      特征特性：北方極早熟(shu)春玉米(mi)(mi)組(zu)出苗(miao)至成(cheng)(cheng)熟(shu)115.5天，比對照德美亞1號晚熟(shu)0.3天。幼苗(miao)葉鞘紫(zi)(zi)(zi)色，花絲紫(zi)(zi)(zi)色，花藥紫(zi)(zi)(zi)色，穎殼綠色。株(zhu)型半緊湊，株(zhu)高(gao)272厘(li)(li)米(mi)(mi)，穗位高(gao)100厘(li)(li)米(mi)(mi)，成(cheng)(cheng)株(zhu)葉片數18片。果穗長(chang)筒型，穗長(chang)18.5厘(li)(li)米(mi)(mi)，穗行(xing)數12—16行(xing)，穗軸紫(zi)(zi)(zi)色，籽(zi)(zi)粒(li)(li)黃色，籽(zi)(zi)粒(li)(li)類(lei)型硬粒(li)(li)，百粒(li)(li)重(zhong)32.6克。經鑒(jian)定，中抗莖腐病(bing)(bing)，感大斑(ban)病(bing)(bing)，感穗腐病(bing)(bing)，感絲黑穗病(bing)(bing)，高(gao)感灰(hui)斑(ban)病(bing)(bing)。經測定，籽(zi)(zi)粒(li)(li)容重(zhong)770克/升(sheng)，粗(cu)淀(dian)粉含(han)量(liang)74.03%，粗(cu)蛋(dan)白含(han)量(liang)10.74%，粗(cu)脂肪含(han)量(liang)3.91%，賴(lai)氨酸(suan)含(han)量(liang)0.27%。

      產量表現：參加國家玉(yu)米品(pin)種(zhong)綠色通道試(shi)(shi)(shi)(shi)驗(yan)北方極(ji)早熟春玉(yu)米組。2022年(nian)區域(yu)(yu)試(shi)(shi)(shi)(shi)驗(yan)初(chu)試(shi)(shi)(shi)(shi)平(ping)均(jun)畝產(chan)693千克(ke)(ke)，比(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)10.1%；2023年(nian)區域(yu)(yu)試(shi)(shi)(shi)(shi)驗(yan)復試(shi)(shi)(shi)(shi)平(ping)均(jun)畝產(chan)718千克(ke)(ke)，比(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)10.2%；兩年(nian)區域(yu)(yu)試(shi)(shi)(shi)(shi)驗(yan)平(ping)均(jun)畝產(chan)706千克(ke)(ke)，比(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)10.1%；2023年(nian)生產(chan)試(shi)(shi)(shi)(shi)驗(yan)，平(ping)均(jun)畝產(chan)698千克(ke)(ke)，比(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)6.6%。

      栽培技術要點：適宜播種期4月(yue)(yue)下旬至5月(yue)(yue)上旬，密度(du)6000株(zhu)/畝左右，注(zhu)意防治絲(si)黑穗病(bing)、灰(hui)斑病(bing)、大斑病(bing)、穗腐病(bing)，以(yi)及(ji)玉米螟、粘蟲等病(bing)蟲害。

      審定意見：該品(pin)(pin)種符合國(guo)家(jia)玉(yu)米(mi)品(pin)(pin)種審定(ding)標準(zhun)，通過審定(ding)。適宜在黑龍江(jiang)省北(bei)(bei)部(bu)(bu)(bu)及東南(nan)部(bu)(bu)(bu)山(shan)(shan)區(qu)(qu)第(di)四(si)積溫帶，內蒙古自治區(qu)(qu)呼(hu)倫貝爾市(shi)(shi)(shi)(shi)(shi)部(bu)(bu)(bu)分地(di)(di)(di)區(qu)(qu)、興(xing)安盟(meng)部(bu)(bu)(bu)分地(di)(di)(di)區(qu)(qu)、錫(xi)林郭(guo)勒盟(meng)部(bu)(bu)(bu)分地(di)(di)(di)區(qu)(qu)、烏蘭察布盟(meng)部(bu)(bu)(bu)分地(di)(di)(di)區(qu)(qu)、通遼(liao)市(shi)(shi)(shi)(shi)(shi)部(bu)(bu)(bu)分地(di)(di)(di)區(qu)(qu)、赤峰(feng)市(shi)(shi)(shi)(shi)(shi)部(bu)(bu)(bu)分地(di)(di)(di)區(qu)(qu)、包頭市(shi)(shi)(shi)(shi)(shi)北(bei)(bei)部(bu)(bu)(bu)、呼(hu)和(he)浩特市(shi)(shi)(shi)(shi)(shi)北(bei)(bei)部(bu)(bu)(bu)，吉林省延邊(bian)州、白山(shan)(shan)市(shi)(shi)(shi)(shi)(shi)的(de)部(bu)(bu)(bu)分山(shan)(shan)區(qu)(qu)，河(he)北(bei)(bei)省北(bei)(bei)部(bu)(bu)(bu)壩上及接(jie)壩的(de)張家(jia)口市(shi)(shi)(shi)(shi)(shi)和(he)承德市(shi)(shi)(shi)(shi)(shi)的(de)部(bu)(bu)(bu)分地(di)(di)(di)區(qu)(qu)，山(shan)(shan)西(xi)省北(bei)(bei)部(bu)(bu)(bu)大(da)同(tong)市(shi)(shi)(shi)(shi)(shi)、朔州市(shi)(shi)(shi)(shi)(shi)、忻(xin)州市(shi)(shi)(shi)(shi)(shi)、呂梁市(shi)(shi)(shi)(shi)(shi)海拔(ba)1200米(mi)以(yi)上地(di)(di)(di)區(qu)(qu)，寧(ning)夏(xia)回族自治區(qu)(qu)南(nan)部(bu)(bu)(bu)山(shan)(shan)區(qu)(qu)海拔(ba)2000米(mi)以(yi)上地(di)(di)(di)區(qu)(qu)種植(zhi)。