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区域试验结果表明,酿造干红山葡萄新品种“左优红”在干旱地区栽培,其产量、抗病力、果实的经济性状和品质等都明显地高于中等湿度地区和高湿度地区。“左优红”在3个区域试验点的产量,比对照(CK)品种“双红”平均增产31.0%。果实含糖和总酸含量分别比CK高3.9%和低0.7%。“左优红”抗寒力低于“双红”,高于“公酿1号”,与“贝达”相似。最佳栽培生态区是:气候干燥少雨、光照充足、昼夜温差大的地区。
The results of regional trials showed that the new grape variety “Zuo You Hong” was cultivated in arid areas. The yield, disease resistance, economic characters and quality of the fruits were significantly higher than those in moderate and high humidity areas. The output of “Zuo You Hong” in the three regional test sites increased by 31.0% on average compared with the control (CK) variety “double red”. Fruit sugar and total acid content were 3.9% and 0.7% lower than CK respectively. “Zuo Youhong” cold resistance is lower than “double red”, higher than “public stuffing 1”, and “Beida” similar. The best cultivated ecological zone is: dry and light climate, adequate light, large temperature difference between day and night areas.