品種名稱：明玉9686

      申請者：云南明暉麒圣實業有(you)限公司

      育種者：云(yun)南明暉麒圣實(shi)業有限公司（李庭良、何月秋、趙正龍、亢波、李成杰）

      品種來源：C29011×LR96846

      特征特性：區(qu)試平(ping)均生(sheng)育期134.3天。幼苗第(di)一葉(xie)(xie)頂(ding)端(duan)圓形(xing)、葉(xie)(xie)鞘花(hua)(hua)青(qing)甙(dai)(dai)(dai)顯色(se)(se)強。葉(xie)(xie)片(pian)彎曲程度(du)中(zhong)(zhong)(zhong)、與莖稈夾(jia)(jia)角(jiao)極小(xiao)到(dao)(dao)(dao)小(xiao)。植(zhi)株(zhu)葉(xie)(xie)鞘花(hua)(hua)青(qing)甙(dai)(dai)(dai)顯色(se)(se)無(wu)或(huo)極弱(ruo)(ruo)，株(zhu)高(gao)矮到(dao)(dao)(dao)中(zhong)(zhong)(zhong)（231.65cm），穗位(wei)(wei)矮到(dao)(dao)(dao)中(zhong)(zhong)(zhong)(87.3cm)。散粉期中(zhong)(zhong)(zhong)到(dao)(dao)(dao)晚(wan)，雄(xiong)穗穎(ying)片(pian)除基部外花(hua)(hua)青(qing)甙(dai)(dai)(dai)顯色(se)(se)強到(dao)(dao)(dao)極強、側(ce)(ce)枝(zhi)彎曲程度(du)中(zhong)(zhong)(zhong)到(dao)(dao)(dao)強、與主軸(zhou)的(de)(de)夾(jia)(jia)角(jiao)中(zhong)(zhong)(zhong)，雄(xiong)穗最低位(wei)(wei)側(ce)(ce)枝(zhi)以上的(de)(de)主軸(zhou)長度(du)中(zhong)(zhong)(zhong)到(dao)(dao)(dao)長、最高(gao)位(wei)(wei)側(ce)(ce)枝(zhi)以上的(de)(de)主軸(zhou)長度(du)中(zhong)(zhong)(zhong)、側(ce)(ce)枝(zhi)長度(du)中(zhong)(zhong)(zhong)、一級側(ce)(ce)枝(zhi)數目少(shao)，花(hua)(hua)藥花(hua)(hua)青(qing)甙(dai)(dai)(dai)顯色(se)(se)弱(ruo)(ruo)到(dao)(dao)(dao)中(zhong)(zhong)(zhong)、花(hua)(hua)絲花(hua)(hua)青(qing)甙(dai)(dai)(dai)顯色(se)(se)弱(ruo)(ruo)到(dao)(dao)(dao)中(zhong)(zhong)(zhong)，植(zhi)株(zhu)莖稈“之(zhi)(zhi)”字形(xing)程度(du)無(wu)或(huo)極弱(ruo)(ruo)，果穗穗柄短，錐到(dao)(dao)(dao)筒形(xing)穗，籽粒中(zhong)(zhong)(zhong)等黃色(se)(se)偏硬粒型，穗軸(zhou)穎(ying)片(pian)花(hua)(hua)青(qing)甙(dai)(dai)(dai)顯色(se)(se)無(wu)或(huo)極弱(ruo)(ruo)，穗行(xing)數15.7行(xing)。抗病(bing)(bing)性鑒定：高(gao)抗灰斑(ban)(ban)病(bing)(bing)，高(gao)抗大(da)斑(ban)(ban)病(bing)(bing)，抗銹病(bing)(bing)，中(zhong)(zhong)(zhong)抗紋枯病(bing)(bing)，抗穗腐病(bing)(bing)。抗倒(dao)(dao)(dao)(dao)性：2020年(nian)區(qu)試，倒(dao)(dao)(dao)(dao)伏(fu)倒(dao)(dao)(dao)(dao)折(zhe)(zhe)率(lv)之(zhi)(zhi)和(he)0.5%，倒(dao)(dao)(dao)(dao)伏(fu)倒(dao)(dao)(dao)(dao)折(zhe)(zhe)率(lv)之(zhi)(zhi)和(he)≥10.0%的(de)(de)試驗點(dian)百分(fen)率(lv)為0.0%；2021年(nian)續試，倒(dao)(dao)(dao)(dao)伏(fu)倒(dao)(dao)(dao)(dao)折(zhe)(zhe)率(lv)之(zhi)(zhi)和(he)1.4%，倒(dao)(dao)(dao)(dao)伏(fu)倒(dao)(dao)(dao)(dao)折(zhe)(zhe)率(lv)之(zhi)(zhi)和(he)≥10.0%的(de)(de)試驗點(dian)百分(fen)率(lv)為0.0%。2021年(nian)生(sheng)產試驗，倒(dao)(dao)(dao)(dao)伏(fu)倒(dao)(dao)(dao)(dao)折(zhe)(zhe)率(lv)之(zhi)(zhi)和(he)0.0%，倒(dao)(dao)(dao)(dao)伏(fu)倒(dao)(dao)(dao)(dao)折(zhe)(zhe)率(lv)之(zhi)(zhi)和(he)≥10.0%的(de)(de)試驗點(dian)百分(fen)率(lv)為0.0%。品(pin)質檢測結果：容重782g/L，粗蛋(dan)白（干基）10.6%，粗淀粉（干基）69.43%，粗脂肪（干基）5.2%，賴氨酸（干基）0.36%。

      產量表現：參加2020-2021年度的“云南金鼎禾(he)樸農業玉米(mi)新品種試(shi)驗企業聯合體”普通玉米(mi)中海拔組。2020年區試(shi)結果，平(ping)均畝(mu)產(chan)(chan)(chan)(chan)(chan)734.3千(qian)克(ke)，較(jiao)對照(zhao)海禾(he)2號增(zeng)產(chan)(chan)(chan)(chan)(chan)12.6%，增(zeng)產(chan)(chan)(chan)(chan)(chan)極(ji)顯著，增(zeng)產(chan)(chan)(chan)(chan)(chan)點(dian)率91.7%。2021年續試(shi)結果，平(ping)均畝(mu)產(chan)(chan)(chan)(chan)(chan)806.6千(qian)克(ke)，較(jiao)對照(zhao)五谷(gu)3861增(zeng)產(chan)(chan)(chan)(chan)(chan)8.5%，增(zeng)產(chan)(chan)(chan)(chan)(chan)極(ji)顯著，增(zeng)產(chan)(chan)(chan)(chan)(chan)點(dian)率100.0%。兩年區試(shi)平(ping)均畝(mu)產(chan)(chan)(chan)(chan)(chan)770.5千(qian)克(ke)，較(jiao)對照(zhao)增(zeng)產(chan)(chan)(chan)(chan)(chan)10.6%，增(zeng)產(chan)(chan)(chan)(chan)(chan)點(dian)率95.9%。2021年生(sheng)產(chan)(chan)(chan)(chan)(chan)試(shi)驗，平(ping)均畝(mu)產(chan)(chan)(chan)(chan)(chan)791.5千(qian)克(ke)，較(jiao)對照(zhao)增(zeng)產(chan)(chan)(chan)(chan)(chan)11.2%，增(zeng)產(chan)(chan)(chan)(chan)(chan)點(dian)率100.0%。

      栽培技術要點：1、可作春播、夏播；2、適宜(yi)在中海拔種(zhong)(zhong)植(zhi)(zhi)；3、選擇中、上(shang)等肥力(li)地塊種(zhong)(zhong)植(zhi)(zhi)；4、云南種(zhong)(zhong)植(zhi)(zhi)密(mi)度4000株；5、平衡施肥，畝用30-40公斤(jin)(jin)磷肥、5-10公斤(jin)(jin)鉀肥、20-30公斤(jin)(jin)氮(dan)肥，缺(que)鋅地區注(zhu)意補充鋅肥，每畝1-2公斤(jin)(jin)；6、宜(yi)早追肥；7、注(zhu)意防治病(bing)蟲害。

      審定意見：該(gai)品種(zhong)符合云(yun)南省玉(yu)米品種(zhong)審定(ding)標準(zhun)，同意(yi)通過審定(ding)。適(shi)宜云(yun)南省海拔1000-2000米的玉(yu)米種(zhong)植區(qu)域。