品種名稱：種芯168

      申請者：三北種業有限公司

      育種者：三北種業有限公司

      品種來源：SY60120×XL6130

      特征特性：東華北中(zhong)熟(shu)春玉(yu)米(mi)(mi)組出苗至成熟(shu)129.9天(tian)，比(bi)對照先玉(yu)335晚熟(shu)0.2天(tian)。幼苗葉(xie)鞘淺紫色(se)(se)，花絲(si)綠(lv)色(se)(se)，花藥淺紫色(se)(se)，穎(ying)殼綠(lv)色(se)(se)。株(zhu)型半緊(jin)湊(cou)，株(zhu)高313厘(li)米(mi)(mi)，穗(sui)位高119厘(li)米(mi)(mi)，成株(zhu)葉(xie)片數20片。果穗(sui)長筒(tong)型，穗(sui)長20.4厘(li)米(mi)(mi)，穗(sui)行數16—18行，穗(sui)軸紅(hong)色(se)(se)，籽(zi)粒黃色(se)(se)，籽(zi)粒類型馬(ma)齒型，百粒重35.6克。經鑒(jian)定，中(zhong)抗(kang)莖(jing)腐(fu)病(bing)(bing)，中(zhong)抗(kang)絲(si)黑(hei)穗(sui)病(bing)(bing)，感大(da)斑(ban)病(bing)(bing)，感穗(sui)腐(fu)病(bing)(bing)，感灰斑(ban)病(bing)(bing)。經測(ce)定，籽(zi)粒容重760克/升，粗淀粉(fen)含量(liang)73.68%，粗蛋(dan)白(bai)含量(liang)9.69%，粗脂(zhi)肪(fang)含量(liang)4.44%，賴氨酸含量(liang)0.29%。

      產量表現：參加國家(jia)玉(yu)米(mi)品種綠色通(tong)道試驗(yan)東華北中熟春玉(yu)米(mi)組。2022年(nian)(nian)區(qu)域(yu)試驗(yan)初試平(ping)均畝產(chan)(chan)(chan)839千(qian)(qian)克(ke)，比對照增產(chan)(chan)(chan)8.5%；2023年(nian)(nian)區(qu)域(yu)試驗(yan)復試平(ping)均畝產(chan)(chan)(chan)970千(qian)(qian)克(ke)，比對照增產(chan)(chan)(chan)7.4%；兩(liang)年(nian)(nian)區(qu)域(yu)試驗(yan)平(ping)均畝產(chan)(chan)(chan)904千(qian)(qian)克(ke)，比對照增產(chan)(chan)(chan)7.9%；2023年(nian)(nian)生產(chan)(chan)(chan)試驗(yan)，平(ping)均畝產(chan)(chan)(chan)888千(qian)(qian)克(ke)，比對照增產(chan)(chan)(chan)3.8%。

      栽培技術要點：適宜播種期4月(yue)下旬至5月(yue)上旬，密(mi)度4500株(zhu)/畝左右，注意(yi)防治(zhi)大斑病(bing)(bing)和(he)穗腐(fu)病(bing)(bing)。

      審定意見：該品種(zhong)符合國家(jia)玉米品種(zhong)審定(ding)標準，通(tong)(tong)過審定(ding)。適宜(yi)在遼(liao)寧省(sheng)(sheng)東部(bu)(bu)(bu)山(shan)區(qu)(qu)(qu)和遼(liao)北(bei)(bei)部(bu)(bu)(bu)分地(di)(di)區(qu)(qu)(qu)，吉林(lin)省(sheng)(sheng)吉林(lin)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、白城市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、通(tong)(tong)化市(shi)(shi)(shi)(shi)(shi)(shi)(shi)大部(bu)(bu)(bu)分地(di)(di)區(qu)(qu)(qu)，遼(liao)源市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、長春市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、松原市(shi)(shi)(shi)(shi)(shi)(shi)(shi)部(bu)(bu)(bu)分地(di)(di)區(qu)(qu)(qu)，黑龍江(jiang)省(sheng)(sheng)第一積(ji)溫帶，內(nei)蒙(meng)古烏蘭浩特(te)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、赤峰市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、通(tong)(tong)遼(liao)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、呼和浩特(te)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、包頭(tou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、巴彥淖爾市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、鄂爾多斯市(shi)(shi)(shi)(shi)(shi)(shi)(shi)等部(bu)(bu)(bu)分地(di)(di)區(qu)(qu)(qu)，河(he)北(bei)(bei)省(sheng)(sheng)張(zhang)家(jia)口市(shi)(shi)(shi)(shi)(shi)(shi)(shi)壩下丘陵及河(he)川中(zhong)熟區(qu)(qu)(qu)和承(cheng)德市(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)南(nan)(nan)部(bu)(bu)(bu)中(zhong)熟區(qu)(qu)(qu)，山(shan)西(xi)省(sheng)(sheng)北(bei)(bei)部(bu)(bu)(bu)大同市(shi)(shi)(shi)(shi)(shi)(shi)(shi)、朔(shuo)州市(shi)(shi)(shi)(shi)(shi)(shi)(shi)盆地(di)(di)區(qu)(qu)(qu)和中(zhong)部(bu)(bu)(bu)及東南(nan)(nan)部(bu)(bu)(bu)丘陵區(qu)(qu)(qu)種(zhong)植(zhi)。