玉米杂交种兴达3号选育报告

Breeding Report of Waxy Corn Variety Xingda 3

玉米杂交种兴达3号为甘肃兴达种业有限公司以外引自交系K12为母本,以自育自交系378599为父本组配而成。在2008—2009年甘肃省普通玉米晚熟组区域试验中,兴达3号2 a 14点(次)折合平均产量11 805.75kg/hm2,比对照品种豫玉22号增产3.34%。籽粒(干基)含水分12.3%、灰分10.40 g/kg、粗蛋白99.60 g/kg、粗淀粉757.60 g/kg、粗脂肪36.20 g/kg、赖氨酸3.67 g/kg。中抗丝黑穗病、大斑病、瘤黑粉病、矮花叶病、红叶病,抗茎腐病。适宜种植区域的有效积温为2 700～2 900℃,可在河西地区以及兰州、白银、天水等中部地区种植。

Xingda 3 was a waxy corn variety bred by crossing with the parental combined waxy inbred line K12 intriduced as female parent with waxy inbred line 378599 selected as male parent.In 2008—2009,the average yield of Xingda 3 was 11 805.75 kg/hm2 and 3.34% higher than of the check Yuyu 22 at fourteen places in the corn variety regional test in Gansu.The results showed that seed grain（dry basis） content of moisture,ash,crude protein,crude starch,crude fat,lysine were 12.3%,10.40 g/kg,99.60 g/kg,757.60 g/kg,36.20 g/kg,3.67 g/kg,respectively.In addition,Xingda 3 was moderate resistance to head smut,leaf blight,smut tumors,dwarf mosaic virus,leaves disease,and resistance to stem rot.It is suitable for the region of the effective accmulative temperature was 2 700 ~ 2 900 ℃,and Hexi areas,Lanzhou,Baiyin,Tianshui and other central Gansu.