高产、优质、抗病新品种正甜68的选育

Breeding of a new super sweet corn variety "Zhengtian 68" with high yield, elite quality and diseases resistance

正甜68是以自选粤科06-3为母本、UST为父本的高产、优质、抗病的甜玉米新组合。该组合表现为高产,每667m2鲜苞产量1 100 kg左右;优质,可溶性糖含量24.38%～29.21%,果皮薄,适口性好;抗病性强,接种鉴定抗纹枯病,中抗小斑病,田间表现高抗纹枯病、茎腐病和大、小斑病;长势旺;整齐度高;适应性强。

＂Zhengtian 68＂ is a new super sweet corn with elite quality, high yield and diseases resistance, whou female is ＂Yueke 06-3＂ selected in earlier years and male is ＂UST＂. The variety expresssd high yield with 1100 kg fresh earsper/667m2, elite quality with 24.38%-29.21% soluble sugar content, thin and brittle pericarp, good flavor, diseases resistance, resistant to sheath blight and medium resistant to southern blight by artificial inoculation, high resistant to sheath blight stalk rot and northern and southern blight by appraisal in the fields. It had high vigorous, good uniformed and strong adaptation.