審定編號:魯審玉(yu)20216057
育種單位:山東省農業科學院
品種來源:一代(dai)雜交種,組合為Lx2235×Lx2358。母本Lx2235是(shi)(shi)先玉335二環(huan)系(xi)(xi)/迪(di)卡(ka)516二環(huan)系(xi)(xi)自交選(xuan)(xuan)育(yu);父本Lx2358是(shi)(shi)昌(chang)7-2/HT7226自交選(xuan)(xuan)育(yu)。
特征特性:株(zhu)型半緊湊,夏播青貯生育期(qi)102天,收獲時籽粒(li)乳線位(wei)置50.3%,平均(jun)干物(wu)(wu)質含(han)量35.7%,熟期(qi)與對(dui)照登海605相當,全株(zhu)葉(xie)(xie)片20~21片,幼苗葉(xie)(xie)鞘紫色,花絲(si)黃(huang)綠色,花藥黃(huang)色,雄穗分枝7~10個。區域試驗結果(guo):株(zhu)高308厘米(mi),穗位(wei)133厘米(mi),倒(dao)伏率(lv)(lv)0.5%、倒(dao)折率(lv)(lv)0.0%,空稈率(lv)(lv)0.1%,雙穗率(lv)(lv)0.5%。2019年經(jing)山東(dong)農業(ye)大(da)學(xue)(xue)植物(wu)(wu)保護學(xue)(xue)院抗病(bing)性接種鑒定(ding):高抗莖腐病(bing)和瘤黑粉病(bing),抗彎(wan)孢葉(xie)(xie)斑病(bing)和南方銹病(bing),中抗小斑病(bing)。2020年經(jing)北京農學(xue)(xue)院植物(wu)(wu)科學(xue)(xue)技術學(xue)(xue)院品(pin)質分析:全株(zhu)淀(dian)粉含(han)量33.2%,中性洗(xi)滌(di)纖(xian)維(wei)含(han)量36.1%,酸性洗(xi)滌(di)纖(xian)維(wei)含(han)量18.7%,粗蛋白含(han)量7.6%。
產量表現:2018年(nian)(nian)青(qing)(qing)貯(zhu)玉(yu)米(mi)(mi)(4500株(zhu)/畝)自主區域試驗,平均(jun)(jun)(jun)畝產(chan)(chan)(chan)(chan)鮮(xian)重(zhong)(zhong)(zhong)3769.0公斤,比對(dui)照雅(ya)玉(yu)青(qing)(qing)貯(zhu)8號(hao)增產(chan)(chan)(chan)(chan)3.5%,平均(jun)(jun)(jun)畝產(chan)(chan)(chan)(chan)干(gan)重(zhong)(zhong)(zhong)1377.5公斤,比對(dui)照雅(ya)玉(yu)青(qing)(qing)貯(zhu)8號(hao)增產(chan)(chan)(chan)(chan)6.3%;2019年(nian)(nian)青(qing)(qing)貯(zhu)玉(yu)米(mi)(mi)(4500株(zhu)/畝)自主區域試驗,平均(jun)(jun)(jun)畝產(chan)(chan)(chan)(chan)鮮(xian)重(zhong)(zhong)(zhong)3936.2公斤,比對(dui)照雅(ya)玉(yu)青(qing)(qing)貯(zhu)8號(hao)增產(chan)(chan)(chan)(chan)9.3%,平均(jun)(jun)(jun)畝產(chan)(chan)(chan)(chan)干(gan)重(zhong)(zhong)(zhong)1323.9公斤,比對(dui)照雅(ya)玉(yu)青(qing)(qing)貯(zhu)8號(hao)增產(chan)(chan)(chan)(chan)10.8%;2020年(nian)(nian)生產(chan)(chan)(chan)(chan)試驗平均(jun)(jun)(jun)畝產(chan)(chan)(chan)(chan)鮮(xian)重(zhong)(zhong)(zhong)3888.7公斤,比對(dui)照登海605增產(chan)(chan)(chan)(chan)10.5%,平均(jun)(jun)(jun)畝產(chan)(chan)(chan)(chan)干(gan)重(zhong)(zhong)(zhong)為1385.2公斤,比對(dui)照登海605增產(chan)(chan)(chan)(chan)9.3%。
栽培技術要點:適宜密(mi)度為每畝4500株左右,其(qi)他管理措施同一(yi)般大田。
適宜區域:全省適宜地區青貯玉(yu)米品種種植利用。











