品種名稱：世圖805

      申請者：河南省豫玉種業股份(fen)有限公司

      育種者：河南省(sheng)豫玉種業股(gu)份有限公(gong)司、東北農業大學(xue)

      品種來源：東301×東413

      特征特性：北(bei)方(fang)早(zao)熟(shu)(shu)(shu)春玉(yu)米組出(chu)苗(miao)至成(cheng)熟(shu)(shu)(shu)119.2天(tian)，比(bi)對(dui)照德美(mei)亞(ya)3號早(zao)熟(shu)(shu)(shu)0.9天(tian)。幼(you)苗(miao)葉鞘紫(zi)色(se)(se)，花絲綠(lv)色(se)(se)，花藥紫(zi)色(se)(se)，穎(ying)(ying)殼綠(lv)色(se)(se)。株型(xing)半緊(jin)湊，株高(gao)(gao)(gao)279厘(li)米，穗(sui)(sui)(sui)(sui)位(wei)高(gao)(gao)(gao)98厘(li)米，成(cheng)株葉片(pian)數(shu)19片(pian)。果(guo)穗(sui)(sui)(sui)(sui)長(chang)筒型(xing)，穗(sui)(sui)(sui)(sui)長(chang)19.9厘(li)米，穗(sui)(sui)(sui)(sui)行(xing)數(shu)14—18行(xing)，穗(sui)(sui)(sui)(sui)軸紅色(se)(se)，籽粒(li)黃(huang)(huang)色(se)(se)，籽粒(li)類型(xing)半馬齒(chi)，百粒(li)重36.8克。經(jing)鑒(jian)定，抗穗(sui)(sui)(sui)(sui)腐(fu)(fu)病(bing)，抗絲黑穗(sui)(sui)(sui)(sui)病(bing)，中(zhong)(zhong)抗大斑(ban)(ban)病(bing)，中(zhong)(zhong)抗莖(jing)腐(fu)(fu)病(bing)，感灰斑(ban)(ban)病(bing)。經(jing)測定，籽粒(li)容(rong)重746克/升，粗(cu)(cu)淀粉(fen)含量(liang)(liang)74.49%，粗(cu)(cu)蛋(dan)白(bai)含量(liang)(liang)9.94%，粗(cu)(cu)脂肪(fang)(fang)含量(liang)(liang)3.98%，賴(lai)氨酸含量(liang)(liang)0.25%；東華(hua)北(bei)中(zhong)(zhong)早(zao)熟(shu)(shu)(shu)春玉(yu)米組出(chu)苗(miao)至成(cheng)熟(shu)(shu)(shu)123.0天(tian)，比(bi)對(dui)照吉單27早(zao)熟(shu)(shu)(shu)1.0天(tian)。幼(you)苗(miao)葉鞘紫(zi)色(se)(se)，花絲綠(lv)色(se)(se)，花藥紫(zi)色(se)(se)，穎(ying)(ying)殼綠(lv)色(se)(se)。株型(xing)半緊(jin)湊，株高(gao)(gao)(gao)283厘(li)米，穗(sui)(sui)(sui)(sui)位(wei)高(gao)(gao)(gao)104厘(li)米，成(cheng)株葉片(pian)數(shu)19片(pian)。果(guo)穗(sui)(sui)(sui)(sui)長(chang)筒型(xing)，穗(sui)(sui)(sui)(sui)長(chang)21.1厘(li)米，穗(sui)(sui)(sui)(sui)行(xing)數(shu)14—18行(xing)，穗(sui)(sui)(sui)(sui)軸紅色(se)(se)，籽粒(li)黃(huang)(huang)色(se)(se)，百粒(li)重37.7克。經(jing)鑒(jian)定，中(zhong)(zhong)抗莖(jing)腐(fu)(fu)病(bing)，中(zhong)(zhong)抗穗(sui)(sui)(sui)(sui)腐(fu)(fu)病(bing)，感大斑(ban)(ban)病(bing)，感灰斑(ban)(ban)病(bing)，感絲黑穗(sui)(sui)(sui)(sui)病(bing)。經(jing)測定，籽粒(li)容(rong)重740克/升，粗(cu)(cu)淀粉(fen)含量(liang)(liang)72.75%，粗(cu)(cu)蛋(dan)白(bai)含量(liang)(liang)9.79%，粗(cu)(cu)脂肪(fang)(fang)含量(liang)(liang)3.97%，賴(lai)氨酸含量(liang)(liang)0.23%。

      產量表現：參加(jia)國家玉米品種綠色通(tong)道試(shi)(shi)驗(yan)(yan)(yan)(yan)北方早(zao)熟春玉米組。2020年(nian)區域(yu)(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)初試(shi)(shi)平(ping)(ping)(ping)均(jun)畝(mu)(mu)(mu)(mu)產(chan)(chan)(chan)(chan)776千(qian)(qian)克(ke)，比(bi)對(dui)照(zhao)(zhao)增產(chan)(chan)(chan)(chan)8.2%；2021年(nian)區域(yu)(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)復試(shi)(shi)平(ping)(ping)(ping)均(jun)畝(mu)(mu)(mu)(mu)產(chan)(chan)(chan)(chan)788千(qian)(qian)克(ke)，比(bi)對(dui)照(zhao)(zhao)增產(chan)(chan)(chan)(chan)6.3%；兩(liang)年(nian)區域(yu)(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)平(ping)(ping)(ping)均(jun)畝(mu)(mu)(mu)(mu)產(chan)(chan)(chan)(chan)782千(qian)(qian)克(ke)，比(bi)對(dui)照(zhao)(zhao)增產(chan)(chan)(chan)(chan)7.3%；2021年(nian)生產(chan)(chan)(chan)(chan)試(shi)(shi)驗(yan)(yan)(yan)(yan)，平(ping)(ping)(ping)均(jun)畝(mu)(mu)(mu)(mu)產(chan)(chan)(chan)(chan)760千(qian)(qian)克(ke)，比(bi)對(dui)照(zhao)(zhao)增產(chan)(chan)(chan)(chan)5.6%；參加(jia)國家玉米品種綠色通(tong)道試(shi)(shi)驗(yan)(yan)(yan)(yan)東(dong)華北中(zhong)早(zao)熟春玉米組。2021年(nian)區域(yu)(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)初試(shi)(shi)平(ping)(ping)(ping)均(jun)畝(mu)(mu)(mu)(mu)產(chan)(chan)(chan)(chan)809千(qian)(qian)克(ke)，比(bi)對(dui)照(zhao)(zhao)增產(chan)(chan)(chan)(chan)6.3%；2022年(nian)區域(yu)(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)復試(shi)(shi)平(ping)(ping)(ping)均(jun)畝(mu)(mu)(mu)(mu)產(chan)(chan)(chan)(chan)835千(qian)(qian)克(ke)，比(bi)對(dui)照(zhao)(zhao)增產(chan)(chan)(chan)(chan)6.2%；兩(liang)年(nian)區域(yu)(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)平(ping)(ping)(ping)均(jun)畝(mu)(mu)(mu)(mu)產(chan)(chan)(chan)(chan)822千(qian)(qian)克(ke)，比(bi)對(dui)照(zhao)(zhao)增產(chan)(chan)(chan)(chan)6.2%；2022年(nian)生產(chan)(chan)(chan)(chan)試(shi)(shi)驗(yan)(yan)(yan)(yan)，平(ping)(ping)(ping)均(jun)畝(mu)(mu)(mu)(mu)產(chan)(chan)(chan)(chan)799千(qian)(qian)克(ke)，比(bi)對(dui)照(zhao)(zhao)增產(chan)(chan)(chan)(chan)4.7%。

      栽培技術要點：北(bei)(bei)方(fang)早熟(shu)春玉米(mi)適宜播種期4月(yue)(yue)下旬(xun)(xun)至5月(yue)(yue)上旬(xun)(xun)，密度5000株(zhu)/畝(mu)左右，注意(yi)防治(zhi)灰斑病(bing)；東華北(bei)(bei)中(zhong)早熟(shu)春玉米(mi)適宜播種期4月(yue)(yue)下旬(xun)(xun)至5月(yue)(yue)上旬(xun)(xun)，密度4500株(zhu)/畝(mu)左右，注意(yi)防治(zhi)大(da)斑病(bing)、灰斑病(bing)和絲黑穗(sui)病(bing)。

      審定意見：該品(pin)種(zhong)符合國家玉(yu)米(mi)品(pin)種(zhong)審定標準，通(tong)過審定。北(bei)(bei)方(fang)早熟(shu)春(chun)玉(yu)米(mi)適(shi)宜在(zai)黑龍江省中(zhong)北(bei)(bei)部(bu)(bu)(bu)(bu)及東南(nan)部(bu)(bu)(bu)(bu)山(shan)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)第三積溫帶、內(nei)蒙古自(zi)(zi)(zi)治區(qu)(qu)(qu)(qu)(qu)(qu)(qu)呼倫貝(bei)爾市(shi)(shi)部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、興(xing)(xing)安(an)盟部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、烏(wu)蘭察(cha)布(bu)盟部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、赤峰市(shi)(shi)部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、通(tong)遼市(shi)(shi)部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、包頭(tou)市(shi)(shi)部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、呼和(he)浩特市(shi)(shi)部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，吉(ji)(ji)林(lin)省延(yan)邊州(zhou)(zhou)、白(bai)山(shan)市(shi)(shi)、通(tong)化(hua)市(shi)(shi)的(de)(de)部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)山(shan)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，河(he)北(bei)(bei)省北(bei)(bei)部(bu)(bu)(bu)(bu)接壩地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，寧夏(xia)回族自(zi)(zi)(zi)治區(qu)(qu)(qu)(qu)(qu)(qu)(qu)南(nan)部(bu)(bu)(bu)(bu)山(shan)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)海(hai)拔(ba)(ba)(ba)1800—2000米(mi)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，山(shan)西省北(bei)(bei)部(bu)(bu)(bu)(bu)大同市(shi)(shi)、朔州(zhou)(zhou)市(shi)(shi)、忻州(zhou)(zhou)市(shi)(shi)、呂(lv)梁市(shi)(shi)、太原市(shi)(shi)、陽(yang)泉市(shi)(shi)海(hai)拔(ba)(ba)(ba)1000—1200米(mi)丘陵山(shan)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)種(zhong)植；東華(hua)北(bei)(bei)中(zhong)早熟(shu)春(chun)玉(yu)米(mi)適(shi)宜在(zai)黑龍江省第二積極溫帶，吉(ji)(ji)林(lin)省延(yan)邊州(zhou)(zhou)、白(bai)山(shan)市(shi)(shi)的(de)(de)部(bu)(bu)(bu)(bu)分(fen)(fen)(fen)(fen)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，通(tong)化(hua)市(shi)(shi)、吉(ji)(ji)林(lin)市(shi)(shi)的(de)(de)東部(bu)(bu)(bu)(bu)，內(nei)蒙古自(zi)(zi)(zi)治區(qu)(qu)(qu)(qu)(qu)(qu)(qu)中(zhong)東部(bu)(bu)(bu)(bu)的(de)(de)呼倫貝(bei)爾市(shi)(shi)扎(zha)蘭屯南(nan)部(bu)(bu)(bu)(bu)、興(xing)(xing)安(an)盟中(zhong)北(bei)(bei)部(bu)(bu)(bu)(bu)、通(tong)遼市(shi)(shi)扎(zha)魯特旗中(zhong)部(bu)(bu)(bu)(bu)、赤峰市(shi)(shi)中(zhong)北(bei)(bei)部(bu)(bu)(bu)(bu)、烏(wu)蘭察(cha)布(bu)市(shi)(shi)前山(shan)、呼和(he)浩特市(shi)(shi)北(bei)(bei)部(bu)(bu)(bu)(bu)、包頭(tou)市(shi)(shi)北(bei)(bei)部(bu)(bu)(bu)(bu)早熟(shu)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，河(he)北(bei)(bei)省張家口(kou)市(shi)(shi)壩下(xia)丘陵及河(he)川中(zhong)早熟(shu)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)和(he)承德(de)市(shi)(shi)中(zhong)南(nan)部(bu)(bu)(bu)(bu)中(zhong)早熟(shu)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，山(shan)西省中(zhong)北(bei)(bei)部(bu)(bu)(bu)(bu)大同市(shi)(shi)、朔州(zhou)(zhou)市(shi)(shi)、忻州(zhou)(zhou)市(shi)(shi)、呂(lv)梁市(shi)(shi)、太原市(shi)(shi)、陽(yang)泉市(shi)(shi)海(hai)拔(ba)(ba)(ba)900—1100米(mi)的(de)(de)丘陵地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，寧夏(xia)回族自(zi)(zi)(zi)治區(qu)(qu)(qu)(qu)(qu)(qu)(qu)南(nan)部(bu)(bu)(bu)(bu)山(shan)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)海(hai)拔(ba)(ba)(ba)1800米(mi)以下(xia)地(di)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)種(zhong)植。