早熟橘黄心大白菜新品种九千早秋2号的选育

Breeding of a New Early Maturing Chinese Cabbage F₁ Hybrid—“Jiuqianzaoqiu No. 2”

摘要: “九千早秋2号”是以两个自交不亲和系10-P238和秋484配制的早熟、橘黄心大白菜一代杂种。生长期60 d，植株直立，外叶数11片，绿色，中肋白绿，叶面微皱，球叶橘黄色，叶球呈中桩扣抱，叶球高26~31 cm，球径15~18 cm。单球重2.2~3.8 kg，净菜率71.2%，产量104.25 t∙hm⁻²。抗病毒病、霜霉病，软腐病、干烧心等；株型紧凑，充心快，品质佳，耐储运。适宜在山东、河北、河南等地种植。

Abstract: “Jiuqianzaoqiu No. 2” is a first generation hybrid of early maturing and orange-yellow Chinese cabbage with two self-incompatible lines 10-P238 and Qiu484. On the 60th day of growth, the plant was erect, the number of outer leaves was 11, Green, the Middle Rib White Green, the leaf surface was slightly wrinkled, the bulb was orange, the bulb was held in the Middle Post, the height of the bulb was 26 - 31 cm, the diameter was 15 - 18 cm. The single-ball weight was 2.2 - 3.8 kg, the net vegetable rate was 71.2%, and the yield was 104.25 t∙hm⁻². Resistant to virus disease, Downy Mildew, soft rot, dry heartburn, etc. compact plant type, quick filling, good quality, good storage and transportation resistance and suitable for planting in Shandong, Hebei, Henan and other places.