| 摘要: |
| 秦甘70是利用具有抗病优质和配合力高的两个自交不亲和系HS2103-6-9和FT6328-1-5配育成的杂交一代，为中早熟甘蓝新品种，定植到叶球收获70 d左右。植株综合经济性状优良，中心柱6.5 cm，紧实度0.57，帮叶比26.5%；叶质脆甜，富含营养物质，鲜重含粗蛋白11.81 g/kg,粗纤维4.113 g/kg，可溶糖32.5 g/kg，VB1 2.118 g/kg；抗TuMV,Br和CMV 3种病害；产量64 320.0 kg/hm2，比对照中甘八号增产15.1%。 |
| 关键词: 甘蓝品种 抗病性 秦甘70 杂种优势 |
| DOI： |
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| 基金项目:国家“八五”攻关项目（85-04-01-05）；陕西省“九五”重点科技攻关项目（99K01-G6） |
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| Breeding of new varity Qingan 70 and its super resistance to diseases |
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| Abstract: |
| Qingan 70 is a F1 hybrid of the self incompatible (SI) line HS2103-6-9 and the SI line FT6328-1-5.Both lines are with high diseases resistance,good qualities and high combining ability.The hybrid is medium-early maturing,from planting to harvesting is about 70 days or so.It has many excellent charaters,such as resistance to TuMV,Br,CMV and quality charaters.Its central axis is 6.5 cm high,compactness is 0.57,petiole leaf ratio is 26.5%,leaf is crisp and sweet,containing 11.81 g/kg crude protein,4.113 g/kg of crude fibre,32.5 g/kg of soluble sugar and 2.118 g/kg of Vitamine B1.The average yiely is 64 320.0 kg/hm2,15.1% higher than check variety Zhonggan No.8. |
| Key words: cabbage disease resistance Qingan 70 heterosis |
