品種名稱：鄭品玉425

      申請者：河南金苑種業(ye)股份有限公司(si)

      育種者：河南金(jin)苑(yuan)(yuan)種(zhong)業股份有(you)限(xian)(xian)公司、長春金(jin)苑(yuan)(yuan)種(zhong)業有(you)限(xian)(xian)公司、甘(gan)肅邦達富種(zhong)業有(you)限(xian)(xian)公司、新鄉市金(jin)苑(yuan)(yuan)邦達富農業科技(ji)有(you)限(xian)(xian)公司

      品種來源：JCY22010×JCY22011

      特征特性：東(dong)(dong)華北(bei)中早熟春玉(yu)米(mi)組(zu)出苗(miao)至成(cheng)熟123.4天(tian)，比對照東(dong)(dong)農(nong)264早熟0.5天(tian)。幼(you)苗(miao)葉(xie)(xie)鞘紫(zi)色(se)，花絲淺紫(zi)色(se)，花藥(yao)紫(zi)色(se)，穎(ying)殼(ke)綠色(se)。株(zhu)(zhu)(zhu)型(xing)半(ban)緊(jin)湊，株(zhu)(zhu)(zhu)高286厘(li)米(mi)，穗(sui)位高102厘(li)米(mi)，成(cheng)株(zhu)(zhu)(zhu)葉(xie)(xie)片(pian)數(shu)(shu)19片(pian)。果穗(sui)筒型(xing)，穗(sui)長19.6厘(li)米(mi)，穗(sui)行數(shu)(shu)16—18行，穗(sui)軸紅色(se)，籽粒(li)(li)黃色(se)，籽粒(li)(li)類(lei)型(xing)半(ban)馬(ma)齒，百粒(li)(li)重36.7克。經鑒定(ding)，中抗(kang)莖腐病(bing)(bing)(bing)，感(gan)大斑病(bing)(bing)(bing)，感(gan)穗(sui)腐病(bing)(bing)(bing)，感(gan)灰斑病(bing)(bing)(bing)，高感(gan)絲黑穗(sui)病(bing)(bing)(bing)，經測定(ding)，籽粒(li)(li)容重776克/升，粗(cu)(cu)淀粉含(han)量(liang)(liang)74.42%，粗(cu)(cu)蛋白含(han)量(liang)(liang)10.61%，粗(cu)(cu)脂(zhi)肪含(han)量(liang)(liang)3.51%，賴(lai)氨(an)酸含(han)量(liang)(liang)0.27%；東(dong)(dong)華北(bei)中熟春玉(yu)米(mi)組(zu)出苗(miao)至成(cheng)熟125.9天(tian)，比對照先(xian)玉(yu)335早熟1.1天(tian)。幼(you)苗(miao)葉(xie)(xie)鞘紫(zi)色(se)，花絲淺紫(zi)色(se)，花藥(yao)紫(zi)色(se)，穎(ying)殼(ke)綠色(se)。株(zhu)(zhu)(zhu)型(xing)半(ban)緊(jin)湊，株(zhu)(zhu)(zhu)高292厘(li)米(mi)，穗(sui)位高102厘(li)米(mi)，成(cheng)株(zhu)(zhu)(zhu)葉(xie)(xie)片(pian)數(shu)(shu)21片(pian)。果穗(sui)筒型(xing)，穗(sui)長19.8厘(li)米(mi)，穗(sui)行數(shu)(shu)16—18行，穗(sui)軸紅色(se)，籽粒(li)(li)黃色(se)，籽粒(li)(li)類(lei)型(xing)半(ban)馬(ma)齒，百粒(li)(li)重36.7克。經鑒定(ding)，中抗(kang)莖腐病(bing)(bing)(bing)，感(gan)大斑病(bing)(bing)(bing)，感(gan)穗(sui)腐病(bing)(bing)(bing)，感(gan)灰斑病(bing)(bing)(bing)，感(gan)絲黑穗(sui)病(bing)(bing)(bing)。經測定(ding)，籽粒(li)(li)容重770克/升，粗(cu)(cu)淀粉含(han)量(liang)(liang)74.18%，粗(cu)(cu)蛋白含(han)量(liang)(liang)10.74%，粗(cu)(cu)脂(zhi)肪含(han)量(liang)(liang)3.49%，賴(lai)氨(an)酸含(han)量(liang)(liang)0.30%。

      產量表現：參加(jia)(jia)國(guo)家玉米(mi)品(pin)種(zhong)綠色通(tong)道(dao)試(shi)(shi)(shi)驗(yan)(yan)(yan)東華(hua)北中(zhong)早熟春玉米(mi)組。2022年區(qu)域(yu)試(shi)(shi)(shi)驗(yan)(yan)(yan)初(chu)試(shi)(shi)(shi)平(ping)(ping)(ping)均(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)829千(qian)克，比(bi)對(dui)(dui)(dui)照(zhao)增(zeng)產(chan)(chan)(chan)(chan)9.8%；2023年區(qu)域(yu)試(shi)(shi)(shi)驗(yan)(yan)(yan)復試(shi)(shi)(shi)平(ping)(ping)(ping)均(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)845千(qian)克，比(bi)對(dui)(dui)(dui)照(zhao)增(zeng)產(chan)(chan)(chan)(chan)8.0%；兩(liang)年區(qu)域(yu)試(shi)(shi)(shi)驗(yan)(yan)(yan)平(ping)(ping)(ping)均(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)837千(qian)克，比(bi)對(dui)(dui)(dui)照(zhao)增(zeng)產(chan)(chan)(chan)(chan)8.9%。2023年生(sheng)產(chan)(chan)(chan)(chan)試(shi)(shi)(shi)驗(yan)(yan)(yan)，平(ping)(ping)(ping)均(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)801千(qian)克，比(bi)對(dui)(dui)(dui)照(zhao)增(zeng)產(chan)(chan)(chan)(chan)7.6%；參加(jia)(jia)國(guo)家玉米(mi)品(pin)種(zhong)綠色通(tong)道(dao)試(shi)(shi)(shi)驗(yan)(yan)(yan)東華(hua)北中(zhong)熟春玉米(mi)組。2022年區(qu)域(yu)試(shi)(shi)(shi)驗(yan)(yan)(yan)初(chu)試(shi)(shi)(shi)平(ping)(ping)(ping)均(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)861千(qian)克，比(bi)對(dui)(dui)(dui)照(zhao)增(zeng)產(chan)(chan)(chan)(chan)10.4%；2023年區(qu)域(yu)試(shi)(shi)(shi)驗(yan)(yan)(yan)復試(shi)(shi)(shi)平(ping)(ping)(ping)均(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)877千(qian)克，比(bi)對(dui)(dui)(dui)照(zhao)增(zeng)產(chan)(chan)(chan)(chan)8.2%；兩(liang)年區(qu)域(yu)試(shi)(shi)(shi)驗(yan)(yan)(yan)平(ping)(ping)(ping)均(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)869千(qian)克，比(bi)對(dui)(dui)(dui)照(zhao)增(zeng)產(chan)(chan)(chan)(chan)9.3%；2023年生(sheng)產(chan)(chan)(chan)(chan)試(shi)(shi)(shi)驗(yan)(yan)(yan)，平(ping)(ping)(ping)均(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)847千(qian)克，比(bi)對(dui)(dui)(dui)照(zhao)增(zeng)產(chan)(chan)(chan)(chan)6.9%。

      栽培技術要點：東(dong)華北中早熟(shu)春(chun)玉米適(shi)宜播(bo)種期4月(yue)下(xia)旬至(zhi)5月(yue)上(shang)旬，密(mi)度4500株/畝左右，注(zhu)意防治(zhi)大斑(ban)病、穗(sui)腐病和絲黑穗(sui)病。東(dong)華北中熟(shu)春(chun)玉米適(shi)宜播(bo)種期4月(yue)下(xia)旬至(zhi)5月(yue)上(shang)旬，密(mi)度4500株/畝左右，注(zhu)意防治(zhi)大斑(ban)病和穗(sui)腐病。

      審定意見：該品種(zhong)(zhong)符合國家玉(yu)(yu)米(mi)品種(zhong)(zhong)審定標準，通(tong)(tong)過(guo)審定。東(dong)華(hua)北(bei)(bei)(bei)中(zhong)(zhong)早(zao)(zao)(zao)熟(shu)(shu)春(chun)玉(yu)(yu)米(mi)適宜在黑(hei)龍江省(sheng)(sheng)第二積(ji)溫(wen)帶，吉(ji)林(lin)省(sheng)(sheng)延邊(bian)州(zhou)、白(bai)山市(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)部(bu)(bu)(bu)(bu)(bu)分(fen)(fen)地(di)(di)(di)(di)區(qu)(qu)，通(tong)(tong)化市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、吉(ji)林(lin)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)東(dong)部(bu)(bu)(bu)(bu)(bu)，內蒙古中(zhong)(zhong)東(dong)部(bu)(bu)(bu)(bu)(bu)的(de)呼(hu)倫貝爾市(shi)(shi)(shi)(shi)(shi)(shi)(shi)扎蘭屯市(shi)(shi)(shi)(shi)(shi)(shi)(shi)南部(bu)(bu)(bu)(bu)(bu)、興(xing)安盟中(zhong)(zhong)北(bei)(bei)(bei)部(bu)(bu)(bu)(bu)(bu)、通(tong)(tong)遼(liao)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)扎魯特(te)旗中(zhong)(zhong)部(bu)(bu)(bu)(bu)(bu)、赤峰市(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)北(bei)(bei)(bei)部(bu)(bu)(bu)(bu)(bu)、烏蘭察布(bu)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)前山、呼(hu)和(he)(he)浩特(te)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)北(bei)(bei)(bei)部(bu)(bu)(bu)(bu)(bu)、包頭市(shi)(shi)(shi)(shi)(shi)(shi)(shi)北(bei)(bei)(bei)部(bu)(bu)(bu)(bu)(bu)早(zao)(zao)(zao)熟(shu)(shu)區(qu)(qu)，河北(bei)(bei)(bei)省(sheng)(sheng)張家口(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)壩(ba)下丘(qiu)(qiu)陵(ling)(ling)及河川(chuan)中(zhong)(zhong)早(zao)(zao)(zao)熟(shu)(shu)區(qu)(qu)和(he)(he)承(cheng)德(de)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)南部(bu)(bu)(bu)(bu)(bu)中(zhong)(zhong)早(zao)(zao)(zao)熟(shu)(shu)地(di)(di)(di)(di)區(qu)(qu)，山西省(sheng)(sheng)中(zhong)(zhong)北(bei)(bei)(bei)部(bu)(bu)(bu)(bu)(bu)大(da)同(tong)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、朔州(zhou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、忻州(zhou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、呂梁市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、太(tai)原市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、陽泉市(shi)(shi)(shi)(shi)(shi)(shi)(shi)海(hai)拔900—1100米(mi)的(de)丘(qiu)(qiu)陵(ling)(ling)地(di)(di)(di)(di)區(qu)(qu)，寧夏南部(bu)(bu)(bu)(bu)(bu)山區(qu)(qu)海(hai)拔1800米(mi)以下地(di)(di)(di)(di)區(qu)(qu)種(zhong)(zhong)植(zhi)；東(dong)華(hua)北(bei)(bei)(bei)中(zhong)(zhong)熟(shu)(shu)春(chun)玉(yu)(yu)米(mi)適宜在遼(liao)寧省(sheng)(sheng)東(dong)部(bu)(bu)(bu)(bu)(bu)山區(qu)(qu)和(he)(he)遼(liao)北(bei)(bei)(bei)部(bu)(bu)(bu)(bu)(bu)分(fen)(fen)地(di)(di)(di)(di)區(qu)(qu)，吉(ji)林(lin)省(sheng)(sheng)吉(ji)林(lin)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、白(bai)城市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、通(tong)(tong)化市(shi)(shi)(shi)(shi)(shi)(shi)(shi)大(da)部(bu)(bu)(bu)(bu)(bu)分(fen)(fen)地(di)(di)(di)(di)區(qu)(qu)，遼(liao)源市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、長春(chun)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、松原市(shi)(shi)(shi)(shi)(shi)(shi)(shi)部(bu)(bu)(bu)(bu)(bu)分(fen)(fen)地(di)(di)(di)(di)區(qu)(qu)，黑(hei)龍江省(sheng)(sheng)第一積(ji)溫(wen)帶，內蒙古興(xing)安盟、赤峰市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、通(tong)(tong)遼(liao)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、呼(hu)和(he)(he)浩特(te)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、包頭市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、巴彥淖(nao)爾市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、鄂爾多斯市(shi)(shi)(shi)(shi)(shi)(shi)(shi)等部(bu)(bu)(bu)(bu)(bu)分(fen)(fen)地(di)(di)(di)(di)區(qu)(qu)，河北(bei)(bei)(bei)省(sheng)(sheng)張家口(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)壩(ba)下丘(qiu)(qiu)陵(ling)(ling)及河川(chuan)中(zhong)(zhong)熟(shu)(shu)區(qu)(qu)和(he)(he)承(cheng)德(de)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)南部(bu)(bu)(bu)(bu)(bu)中(zhong)(zhong)熟(shu)(shu)區(qu)(qu)，山西省(sheng)(sheng)北(bei)(bei)(bei)部(bu)(bu)(bu)(bu)(bu)大(da)同(tong)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、朔州(zhou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)盆地(di)(di)(di)(di)區(qu)(qu)和(he)(he)中(zhong)(zhong)部(bu)(bu)(bu)(bu)(bu)及東(dong)南部(bu)(bu)(bu)(bu)(bu)丘(qiu)(qiu)陵(ling)(ling)區(qu)(qu)種(zhong)(zhong)植(zhi)。