品種名稱：金博士825

      申請者：河南金博士種業股份有限公司(si)

      育種者：河(he)南金博士種業(ye)股份有限公司(si)

      品種來源：金140×金118

      特征特性：東華北中早熟(shu)春玉米組出苗至成熟(shu)126.0天，比(bi)對照晚熟(shu)0.4天。幼苗葉鞘淺紫(zi)色，花絲淺紫(zi)色，花藥淺紫(zi)色，穎(ying)殼(ke)綠(lv)色。株(zhu)型緊湊，株(zhu)高265厘米，穗位(wei)高100厘米，成株(zhu)葉片數20片。果穗筒型，穗長19.0厘米，穗行(xing)數16—18行(xing)，穗軸(zhou)紅色，籽粒(li)(li)黃色，百粒(li)(li)重41.1克(ke)。經鑒定，感大斑(ban)病，中抗莖腐病，感穗腐病，感灰斑(ban)病，感絲黑穗病，經測定，籽粒(li)(li)容重800克(ke)/升，粗(cu)淀(dian)粉含(han)(han)量75.76%，粗(cu)蛋白含(han)(han)量10.30%，粗(cu)脂肪含(han)(han)量4.07%，賴氨酸含(han)(han)量0.30%。

      產量表現：參(can)加國家玉米品種(zhong)綠色(se)通道試驗(yan)東華北中早熟春玉米組(zu)。2021年(nian)區(qu)(qu)域(yu)試驗(yan)初(chu)試平(ping)(ping)均(jun)畝(mu)產(chan)(chan)(chan)(chan)841千克(ke)，比對照(zhao)增產(chan)(chan)(chan)(chan)6.9%；2022年(nian)區(qu)(qu)域(yu)試驗(yan)復試平(ping)(ping)均(jun)畝(mu)產(chan)(chan)(chan)(chan)810千克(ke)，比對照(zhao)增產(chan)(chan)(chan)(chan)10.2%；兩年(nian)區(qu)(qu)域(yu)試驗(yan)平(ping)(ping)均(jun)畝(mu)產(chan)(chan)(chan)(chan)826千克(ke)，比對照(zhao)增產(chan)(chan)(chan)(chan)8.5%；2022年(nian)生產(chan)(chan)(chan)(chan)試驗(yan)，平(ping)(ping)均(jun)畝(mu)產(chan)(chan)(chan)(chan)802千克(ke)，比對照(zhao)增產(chan)(chan)(chan)(chan)6.0%。

      栽培技術要點：適宜播種期4月25日(ri)至(zhi)5月15日(ri)，密度(du)4500株/畝(mu)左(zuo)右，注意防治大斑病(bing)、穗腐病(bing)。

      審定意見：該品種符合國家玉米品種審定(ding)標準，通(tong)過(guo)審定(ding)。適(shi)宜在黑龍(long)江省第二積溫帶，吉林省延(yan)邊州(zhou)、白山市(shi)(shi)(shi)(shi)(shi)的(de)(de)部(bu)分地區(qu)(qu)(qu)(qu)(qu)，通(tong)化市(shi)(shi)(shi)(shi)(shi)、吉林市(shi)(shi)(shi)(shi)(shi)的(de)(de)東(dong)部(bu)，內(nei)蒙古中(zhong)(zhong)東(dong)部(bu)的(de)(de)呼倫貝(bei)爾市(shi)(shi)(shi)(shi)(shi)扎蘭(lan)屯市(shi)(shi)(shi)(shi)(shi)南部(bu)、興(xing)安盟(meng)中(zhong)(zhong)北部(bu)、通(tong)遼(liao)市(shi)(shi)(shi)(shi)(shi)扎魯特(te)旗中(zhong)(zhong)部(bu)、赤峰市(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)北部(bu)、烏蘭(lan)察(cha)布市(shi)(shi)(shi)(shi)(shi)前山、呼和浩特(te)市(shi)(shi)(shi)(shi)(shi)北部(bu)、包頭市(shi)(shi)(shi)(shi)(shi)北部(bu)早熟(shu)區(qu)(qu)(qu)(qu)(qu)，河北省張家口市(shi)(shi)(shi)(shi)(shi)壩下(xia)丘陵及(ji)河川中(zhong)(zhong)早熟(shu)區(qu)(qu)(qu)(qu)(qu)和承德市(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)南部(bu)中(zhong)(zhong)早熟(shu)地區(qu)(qu)(qu)(qu)(qu)，山西(xi)省中(zhong)(zhong)北部(bu)大同市(shi)(shi)(shi)(shi)(shi)、朔州(zhou)市(shi)(shi)(shi)(shi)(shi)、忻(xin)州(zhou)市(shi)(shi)(shi)(shi)(shi)、呂梁市(shi)(shi)(shi)(shi)(shi)、太原市(shi)(shi)(shi)(shi)(shi)、陽(yang)泉市(shi)(shi)(shi)(shi)(shi)海(hai)(hai)拔(ba)(ba)900—1100米的(de)(de)丘陵地區(qu)(qu)(qu)(qu)(qu)，寧夏南部(bu)山區(qu)(qu)(qu)(qu)(qu)海(hai)(hai)拔(ba)(ba)1800米以下(xia)地區(qu)(qu)(qu)(qu)(qu)種植。