品種名稱：禹堃826

      申請者：河南省豫玉種(zhong)業(ye)股(gu)份有限公司

      育種者：河南省豫玉種(zhong)業股(gu)份有(you)限公司

      品種來源：L309M×L99F

      特征特性：東華北中(zhong)晚熟(shu)春玉米(mi)組出苗至成熟(shu)128.3天，比對照鄭單958早熟(shu)0.5天。幼苗葉(xie)鞘(qiao)紫色(se)(se)，花(hua)(hua)絲紫色(se)(se)，花(hua)(hua)藥紫色(se)(se)，穎殼綠色(se)(se)。株(zhu)型半緊(jin)湊，株(zhu)高279厘米(mi)，穗位高99厘米(mi)，成株(zhu)葉(xie)片數(shu)21片。果穗長筒型，穗長20.4厘米(mi)，穗行(xing)數(shu)16—20行(xing)，穗軸紅色(se)(se)，籽(zi)粒(li)黃色(se)(se)，籽(zi)粒(li)類型半馬齒，百(bai)粒(li)重(zhong)36.7克。經(jing)鑒(jian)定，抗絲黑穗病(bing)，感(gan)大斑(ban)病(bing)，感(gan)莖腐病(bing)，感(gan)穗腐病(bing)，感(gan)灰斑(ban)病(bing)。經(jing)測定，籽(zi)粒(li)容重(zhong)750克/升，粗(cu)淀粉含(han)(han)量73.88%，粗(cu)蛋白含(han)(han)量10.26%，粗(cu)脂肪(fang)含(han)(han)量4.31%，賴(lai)氨酸含(han)(han)量0.29%。

      產量表現：參(can)加國家玉(yu)米(mi)品種綠色通道試(shi)(shi)驗(yan)東(dong)華北中晚熟(shu)春(chun)玉(yu)米(mi)組(zu)。2022年區(qu)(qu)域(yu)(yu)(yu)試(shi)(shi)驗(yan)初試(shi)(shi)平均畝產845千克(ke)，比(bi)對(dui)照(zhao)增產5.1%；2023年區(qu)(qu)域(yu)(yu)(yu)試(shi)(shi)驗(yan)復試(shi)(shi)平均畝產826千克(ke)，比(bi)對(dui)照(zhao)增產5.6%；兩年區(qu)(qu)域(yu)(yu)(yu)試(shi)(shi)驗(yan)平均畝產836千克(ke)，比(bi)對(dui)照(zhao)增產5.3%；2023年生產試(shi)(shi)驗(yan)，平均畝產817千克(ke)，比(bi)對(dui)照(zhao)增產6.5%。

      栽培技術要點：適宜播(bo)種期(qi)4月下旬至5月上旬，密(mi)度4500株(zhu)/畝左(zuo)右(you)，注(zhu)意防治大斑病(bing)、莖腐病(bing)和穗腐病(bing)。

      審定意見：該品種(zhong)符合國家玉米(mi)品種(zhong)審定(ding)標準，通(tong)過審定(ding)。適(shi)宜在東(dong)(dong)華北中晚熟春(chun)玉米(mi)區(qu)(qu)(qu)(qu)的(de)(de)吉(ji)(ji)林(lin)省(sheng)(sheng)四平(ping)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、松原市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、長春(chun)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)大(da)部(bu)(bu)(bu)分地(di)(di)區(qu)(qu)(qu)(qu)，遼源市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、白(bai)城(cheng)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、吉(ji)(ji)林(lin)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)部(bu)(bu)(bu)分地(di)(di)區(qu)(qu)(qu)(qu)、通(tong)化市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)南部(bu)(bu)(bu)，遼寧省(sheng)(sheng)除(chu)東(dong)(dong)部(bu)(bu)(bu)山(shan)(shan)區(qu)(qu)(qu)(qu)和大(da)連市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、東(dong)(dong)港市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)以外的(de)(de)大(da)部(bu)(bu)(bu)分地(di)(di)區(qu)(qu)(qu)(qu)，內蒙古赤峰市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)和通(tong)遼市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)大(da)部(bu)(bu)(bu)分地(di)(di)區(qu)(qu)(qu)(qu)，山(shan)(shan)西(xi)省(sheng)(sheng)忻州(zhou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、晉(jin)中市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、太原市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、陽泉市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、長治市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、晉(jin)城(cheng)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、呂梁市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)平(ping)川區(qu)(qu)(qu)(qu)和南部(bu)(bu)(bu)山(shan)(shan)區(qu)(qu)(qu)(qu)，河北省(sheng)(sheng)張家口(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、承德市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、秦皇島市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、唐山(shan)(shan)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、廊坊(fang)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、保定(ding)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)北部(bu)(bu)(bu)、滄州(zhou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)北部(bu)(bu)(bu)春(chun)播(bo)區(qu)(qu)(qu)(qu)，北京(jing)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)春(chun)播(bo)區(qu)(qu)(qu)(qu)，天(tian)津(jin)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)春(chun)播(bo)區(qu)(qu)(qu)(qu)種(zhong)植。