(1)選育單位:四川省農業科學院作物(wu)研究所
(2)品種來源:系四川省農科(ke)院作物所用自選自交系9991與自選自交系2861組配選育而成。
(3)特征特性:該組合全生(sheng)育期春播119天,比對(dui)照(zhao)川單13早0.3天。株高243.3厘米(mi),穗(sui)(sui)位高100.5厘米(mi);雄(xiong)穗(sui)(sui)護穎淺紫色(se),花粉(fen)量大,淺紅色(se)。穗(sui)(sui)長17.6厘米(mi),穗(sui)(sui)粗(cu)(cu)4.9厘米(mi),穗(sui)(sui)行(xing)數13.9,行(xing)粒數29.5,千粒重304.5克;籽粒黃(huang)色(se)、中間型,紅軸。品質(zhi)分析,酸(suan)性洗(xi)滌纖(xian)維(wei)25.9%,中性洗(xi)滌纖(xian)維(wei)51.3%,整(zheng)株粗(cu)(cu)蛋白15.8%。接種鑒定,抗(kang)小斑病(bing)(bing)(bing),中抗(kang)玉米(mi)螟、大斑病(bing)(bing)(bing)、紋枯病(bing)(bing)(bing)和莖腐病(bing)(bing)(bing),感絲黑穗(sui)(sui)病(bing)(bing)(bing)。
(4)產量結果: 2006年四川省雜交玉米青貯(zhu)組區試(shi)生物干(gan)產(chan)(chan)(chan)畝(mu)(mu)平均(jun)983.3公(gong)斤(jin)(jin),比(bi)(bi)對(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)9.3%,7個(ge)試(shi)點(dian)(dian)6增(zeng)(zeng)1減(jian)(jian),籽(zi)粒(li)畝(mu)(mu)產(chan)(chan)(chan)484.9公(gong)斤(jin)(jin),比(bi)(bi)對(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)1.28%,7個(ge)試(shi)點(dian)(dian)5增(zeng)(zeng)2減(jian)(jian);2007年生物干(gan)產(chan)(chan)(chan)畝(mu)(mu)平均(jun)928.9公(gong)斤(jin)(jin),比(bi)(bi)對(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)12.9%,7個(ge)試(shi)點(dian)(dian)6增(zeng)(zeng)1減(jian)(jian),籽(zi)粒(li)畝(mu)(mu)產(chan)(chan)(chan)529.1公(gong)斤(jin)(jin),比(bi)(bi)對(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)3.36%,7個(ge)試(shi)點(dian)(dian)6增(zeng)(zeng)1減(jian)(jian)。2007年青貯(zhu)玉米生產(chan)(chan)(chan)試(shi)驗(yan),生物干(gan)產(chan)(chan)(chan)平均(jun)畝(mu)(mu)產(chan)(chan)(chan)1160.9公(gong)斤(jin)(jin),比(bi)(bi)對(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)14.7%,5點(dian)(dian)次點(dian)(dian)點(dian)(dian)增(zeng)(zeng)產(chan)(chan)(chan);籽(zi)粒(li)產(chan)(chan)(chan)量平均(jun)畝(mu)(mu)產(chan)(chan)(chan)548.9公(gong)斤(jin)(jin),比(bi)(bi)對(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)8.4%。
(5)栽培技術要點:適合春播,畝植密度(du)4000株左右。重施底肥,多施苗肥和(he)拔(ba)節肥,重施攻苞肥。
(6)適宜種植區域:適(shi)于四川省平丘區種植。











