品種名稱：滇玉106

      申請者：云南農業大學

      育種者：云南農業大學（趙自仙、段智利(li)、朱永(yong)平(ping)、張雪(xue)梅）

      品種來源：YN36×YN62

      特征特性：兩年區(qu)試平(ping)均生育(yu)期119天,幼苗第(di)(di)一(yi)葉(xie)頂端尖到(dao)(dao)(dao)圓、第(di)(di)一(yi)葉(xie)鞘(qiao)花青(qing)甙顯(xian)色中(zhong)(zhong)(zhong)。葉(xie)片(pian)彎曲程度(du)(du)弱(ruo)、與(yu)(yu)莖(jing)稈夾角(jiao)小(xiao)到(dao)(dao)(dao)中(zhong)(zhong)(zhong)。植株葉(xie)鞘(qiao)花青(qing)甙顯(xian)色極弱(ruo)到(dao)(dao)(dao)弱(ruo)，植株高(gao)(gao)度(du)(du)中(zhong)(zhong)(zhong),穗(sui)(sui)(sui)位高(gao)(gao)度(du)(du)中(zhong)(zhong)(zhong)。散粉期中(zhong)(zhong)(zhong)到(dao)(dao)(dao)晚,雄(xiong)穗(sui)(sui)(sui)穎片(pian)除基部外花青(qing)甙顯(xian)色中(zhong)(zhong)(zhong)、側(ce)枝(zhi)彎曲程度(du)(du)弱(ruo)、與(yu)(yu)主軸(zhou)(zhou)的夾角(jiao)小(xiao)到(dao)(dao)(dao)中(zhong)(zhong)(zhong)，雄(xiong)穗(sui)(sui)(sui)最低位側(ce)枝(zhi)以(yi)上(shang)的主軸(zhou)(zhou)長度(du)(du)短到(dao)(dao)(dao)中(zhong)(zhong)(zhong)、最高(gao)(gao)位側(ce)枝(zhi)以(yi)上(shang)的主軸(zhou)(zhou)長度(du)(du)中(zhong)(zhong)(zhong)、側(ce)枝(zhi)長度(du)(du)短、一(yi)級側(ce)枝(zhi)數目少，花絲、花藥花青(qing)甙顯(xian)色中(zhong)(zhong)(zhong),植株莖(jing)稈“之”字形程度(du)(du)無(wu)或極弱(ruo)，果穗(sui)(sui)(sui)穗(sui)(sui)(sui)柄長度(du)(du)中(zhong)(zhong)(zhong)，果穗(sui)(sui)(sui)長度(du)(du)中(zhong)(zhong)(zhong)，錐到(dao)(dao)(dao)筒(tong)形穗(sui)(sui)(sui)，籽粒(li)中(zhong)(zhong)(zhong)等黃色、偏馬齒(chi)型，穗(sui)(sui)(sui)軸(zhou)(zhou)穎片(pian)花青(qing)甙顯(xian)色強，平(ping)均穗(sui)(sui)(sui)行(xing)數19.6行(xing)。倒(dao)(dao)伏倒(dao)(dao)折率之和為0，倒(dao)(dao)伏倒(dao)(dao)折率之和≥10%的試驗點百(bai)分率為0。品質分析：整株中(zhong)(zhong)(zhong)性洗滌(di)纖維(wei)(wei)含(han)量(liang)35.2%、酸性洗滌(di)纖維(wei)(wei)含(han)量(liang)20.4%、粗蛋白含(han)量(liang)7.56%、淀(dian)粉含(han)量(liang)33.3%。抗性鑒(jian)定(ding)：灰斑(ban)病(bing)R抗、大斑(ban)病(bing)R抗、銹病(bing)S感、紋枯(ku)病(bing)MR中(zhong)(zhong)(zhong)抗、彎孢霉葉(xie)斑(ban)病(bing)R抗、葉(xie)鞘(qiao)紫斑(ban)病(bing)HS高(gao)(gao)感。

      產量表現：2020年(nian)區(qu)試(shi)全(quan)生育(yu)期119天(tian)(tian)，比(bi)對(dui)照(zhao)曲(qu)辰9號早2天(tian)(tian)。區(qu)試(shi)點田間抗性：穗腐病(bing)、小(xiao)斑(ban)病(bing)最重(zhong)點1級(ji)，大斑(ban)病(bing)、銹病(bing)最重(zhong)點3級(ji)，灰斑(ban)病(bing)最重(zhong)點5級(ji)。倒(dao)伏(fu)倒(dao)折率(lv)(lv)(lv)之和為7.2%。平(ping)(ping)均(jun)(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)4141.84千(qian)克，較(jiao)CK增(zeng)(zeng)產(chan)(chan)(chan)(chan)5.29%，居第一位，較(jiao)CK增(zeng)(zeng)產(chan)(chan)(chan)(chan)點率(lv)(lv)(lv)100%。2021年(nian)區(qu)試(shi)全(quan)生育(yu)期119天(tian)(tian)，比(bi)對(dui)照(zhao)晚(wan)1天(tian)(tian)。區(qu)試(shi)點田間抗性：大斑(ban)病(bing)、小(xiao)斑(ban)病(bing)、穗腐病(bing)最重(zhong)點3級(ji)，灰斑(ban)病(bing)最重(zhong)點5級(ji)，倒(dao)伏(fu)倒(dao)折率(lv)(lv)(lv)之和為7.83%。平(ping)(ping)均(jun)(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)4561.90千(qian)克，較(jiao)CK增(zeng)(zeng)產(chan)(chan)(chan)(chan)14.56%，較(jiao)CK增(zeng)(zeng)產(chan)(chan)(chan)(chan)點率(lv)(lv)(lv)100%。兩年(nian)區(qu)試(shi)平(ping)(ping)均(jun)(jun)生育(yu)期119天(tian)(tian)，比(bi)對(dui)照(zhao)早0.5天(tian)(tian)，平(ping)(ping)均(jun)(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)4351.87千(qian)克，較(jiao)對(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)(chan)9.92%,增(zeng)(zeng)產(chan)(chan)(chan)(chan)點率(lv)(lv)(lv)100%。2021年(nian)生產(chan)(chan)(chan)(chan)試(shi)驗平(ping)(ping)均(jun)(jun)畝(mu)(mu)產(chan)(chan)(chan)(chan)4590.29千(qian)克，較(jiao)對(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)(chan)10.24%，增(zeng)(zeng)產(chan)(chan)(chan)(chan)點率(lv)(lv)(lv)100%。

      栽培技術要點：適宜于(yu)4月下旬(xun)至5月上中(zhong)(zhong)(zhong)旬(xun)播(bo)種，推遲播(bo)種影響產量。種植(zhi)密(mi)度4500-5000株/畝。每(mei)(mei)畝用農家肥(fei)2000kg、復合(he)肥(fei)25-30kg做(zuo)底(di)肥(fei)，直(zhi)播(bo)時3葉(xie)期(qi)間苗、5葉(xie)期(qi)定苗，確保苗全、苗齊(qi)、苗勻、苗壯(zhuang)。6-7葉(xie)期(qi)每(mei)(mei)畝施(shi)用尿素20-25kg做(zuo)拔節肥(fei)，大喇叭(ba)口期(qi)每(mei)(mei)畝用30kg左右尿素作追肥(fei)。施(shi)拔節肥(fei)時結合(he)中(zhong)(zhong)(zhong)耕除草(cao)，施(shi)穗肥(fei)時結合(he)中(zhong)(zhong)(zhong)耕培土進行。平壩區注意(yi)排澇，以免淹水(shui)導致早衰。及(ji)時防治(zhi)地下害蟲(chong)、草(cao)地貪夜(ye)蛾、玉(yu)米螟、蚜蟲(chong)及(ji)鼠(shu)害。

      審定意見：該品種符合云南(nan)省(sheng)玉米品種審(shen)定(ding)標準，同意通過審(shen)定(ding)。適宜(yi)云南(nan)省(sheng)海拔(ba)1000～2000米玉米適宜(yi)區域種植(zhi)，在葉鞘(qiao)紫斑病高發(fa)區慎(shen)用。