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以6年生’夏黑’葡萄为试材,研究了6月15日、7月22日、8月12日3个时期剪梢促花对其二次果成熟期及品质的影响。结果表明,’夏黑’葡萄6月15日、7月22日、8月12日3个时期剪梢促花,分别于7月29日、8月14日、9月5日开花的二次果均能正常成熟,并可获得优质二次果,以8月14日开花的二次果综合品质最佳。多年的生产调查结果表明,在广西桂林气候条件下,采用绿枝修剪方法促放二次花,从剪梢促花到二次花开放需历时30d左右,说明6月中旬至8月上中旬均是’夏黑’葡萄一年两收栽培适宜修剪促放二次花的时期,以7月中下旬剪梢促放二次花获得的二次果综合品质最佳。
The 6-year-old summer black grape was used as experimental material to study the effects of promoting flower buds on the maturity and quality of secondary fruit in June 15th, July 22nd and August 12th. The results showed that ’Xiahe’ grapes cut flowers at the three stages of June 15th, July 22nd and August 12th, and the flowers bloomed twice on July 29, August 14 and September 5 respectively Fruit can be normal maturity, and access to high-quality secondary fruit to the August 14 blossom secondary fruit best overall quality. Years of production survey results show that in Guilin, Guangxi climatic conditions, the use of green pruning method to promote the second flower, from the cut flowers to promote the second flowering need about 30d, indicating the mid-June to mid-August are Is the ’summer black’ grapes cultivated two times a year to promote appropriate pruning to promote the second flower period, in mid-July to cut the second flower promotion prickly heat to obtain the second comprehensive best quality.