品種名稱：吉瑞禾1687

      申請者：吉林市福萊特種子有限公司

      育種者：吉林市(shi)福萊特(te)種子(zi)有限公司

      品種來源：JH16×JH87

      特征特性：東(dong)華北中(zhong)(zhong)早熟(shu)春玉米(mi)組出苗至成(cheng)熟(shu)123.9天，比對照早熟(shu)0.9天。幼苗葉鞘紫色(se)(se)(se)，花(hua)絲綠色(se)(se)(se)，花(hua)藥淺(qian)紫色(se)(se)(se)，穎殼綠色(se)(se)(se)。株(zhu)(zhu)型(xing)半緊湊，株(zhu)(zhu)高(gao)267厘(li)(li)米(mi)，穗(sui)位高(gao)97厘(li)(li)米(mi)，成(cheng)株(zhu)(zhu)葉片數19片。果穗(sui)長筒型(xing)，穗(sui)長19.2厘(li)(li)米(mi)，穗(sui)行(xing)數16—18行(xing)，穗(sui)軸(zhou)紅色(se)(se)(se)，籽粒(li)黃(huang)色(se)(se)(se)，百粒(li)重35.8克(ke)(ke)。經(jing)鑒定(ding)，感(gan)(gan)大(da)斑病(bing)，中(zhong)(zhong)抗莖(jing)腐病(bing)，感(gan)(gan)穗(sui)腐病(bing)，感(gan)(gan)灰斑病(bing)，中(zhong)(zhong)抗絲黑穗(sui)病(bing)，經(jing)測定(ding)，籽粒(li)容重759克(ke)(ke)/升，粗淀粉含(han)量(liang)(liang)74.29%，粗蛋(dan)白(bai)含(han)量(liang)(liang)9.00%，粗脂肪含(han)量(liang)(liang)4.53%，賴氨酸含(han)量(liang)(liang)0.27%。

      產量表現：參加國家玉米(mi)品種(zhong)聯合體試(shi)(shi)驗(yan)(yan)東華(hua)北中早熟春(chun)玉米(mi)組。2021年(nian)區域(yu)試(shi)(shi)驗(yan)(yan)初試(shi)(shi)平(ping)均畝(mu)(mu)產(chan)(chan)840千(qian)(qian)克(ke)(ke)，比(bi)對(dui)照(zhao)增產(chan)(chan)8.0%；2022年(nian)區域(yu)試(shi)(shi)驗(yan)(yan)復(fu)試(shi)(shi)平(ping)均畝(mu)(mu)產(chan)(chan)809千(qian)(qian)克(ke)(ke)，比(bi)對(dui)照(zhao)增產(chan)(chan)5.9%；兩年(nian)區域(yu)試(shi)(shi)驗(yan)(yan)平(ping)均畝(mu)(mu)產(chan)(chan)824千(qian)(qian)克(ke)(ke)，比(bi)對(dui)照(zhao)增產(chan)(chan)7.0%；2022年(nian)生產(chan)(chan)試(shi)(shi)驗(yan)(yan)，平(ping)均畝(mu)(mu)產(chan)(chan)792千(qian)(qian)克(ke)(ke)，比(bi)對(dui)照(zhao)增產(chan)(chan)6.0%。

      栽培技術要點：適(shi)宜播種(zhong)(zhong)期4月(yue)下旬(xun)—5月(yue)上旬(xun)適(shi)時播種(zhong)(zhong)，密度4500株/畝左(zuo)右，注(zhu)意(yi)防治大(da)斑(ban)病(bing)、灰斑(ban)病(bing)、穗腐病(bing)。

      審定意見：該(gai)品(pin)種符合國家(jia)玉(yu)米品(pin)種審定(ding)標準，通(tong)過審定(ding)。適(shi)宜在黑龍江省第二積溫帶，吉(ji)林省延(yan)邊州、白(bai)山市(shi)(shi)(shi)(shi)(shi)的(de)部(bu)(bu)(bu)分地(di)區(qu)(qu)，通(tong)化市(shi)(shi)(shi)(shi)(shi)、吉(ji)林市(shi)(shi)(shi)(shi)(shi)的(de)東部(bu)(bu)(bu)，內蒙古中(zhong)(zhong)東部(bu)(bu)(bu)的(de)呼(hu)倫貝爾市(shi)(shi)(shi)(shi)(shi)扎蘭屯(tun)市(shi)(shi)(shi)(shi)(shi)南(nan)(nan)部(bu)(bu)(bu)、興安盟中(zhong)(zhong)北部(bu)(bu)(bu)、通(tong)遼市(shi)(shi)(shi)(shi)(shi)扎魯特(te)旗中(zhong)(zhong)部(bu)(bu)(bu)、赤峰市(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)北部(bu)(bu)(bu)、烏蘭察布市(shi)(shi)(shi)(shi)(shi)前山、呼(hu)和浩特(te)市(shi)(shi)(shi)(shi)(shi)北部(bu)(bu)(bu)、包頭市(shi)(shi)(shi)(shi)(shi)北部(bu)(bu)(bu)早熟區(qu)(qu)，河北省張家(jia)口市(shi)(shi)(shi)(shi)(shi)壩下(xia)丘(qiu)陵(ling)及河川(chuan)中(zhong)(zhong)早熟區(qu)(qu)和承德市(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)南(nan)(nan)部(bu)(bu)(bu)中(zhong)(zhong)早熟地(di)區(qu)(qu)，山西省中(zhong)(zhong)北部(bu)(bu)(bu)大同市(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)、太(tai)原市(shi)(shi)(shi)(shi)(shi)、陽泉市(shi)(shi)(shi)(shi)(shi)海(hai)(hai)拔900—1100米的(de)丘(qiu)陵(ling)地(di)區(qu)(qu)，寧夏(xia)南(nan)(nan)部(bu)(bu)(bu)山區(qu)(qu)海(hai)(hai)拔1800米以下(xia)地(di)區(qu)(qu)種植(zhi)。