| 雷靖,巫优良,王周倩,申素云,钟彩虹,黄文俊.对萼猕猴桃和美味猕猴桃砧木对‘翠玉’果实成熟度和软熟品质的影响研究[J].中国南方果树,2025,54(3): |
| 对萼猕猴桃和美味猕猴桃砧木对‘翠玉’果实成熟度和软熟品质的影响研究 |
| The effects of root stocks of Actinidia valvata and A. chinensis var. deliciosa on maturity and ripening quality of kiwifruit ‘Cuiyu’ |
| 投稿时间：2024-05-07 修订日期：2024-07-02 |
| DOI：10.13938/j.issn.1007-1431.20240243 |
| 中文关键词: 猕猴桃 对萼猕猴桃 ‘翠玉’ 砧木 成熟度 品质 |
| 英文关键词:Kiwifruit Actinidia valvata ‘Cuiyu’ Root stock Maturity Quality |
| 基金项目:财政部和农业农村部：国家现代农业产业技术体系（CARS-26）资助。 |
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| 中文摘要: |
| 为了明确对萼猕猴桃砧木和美味猕猴桃砧木对接穗‘翠玉’果实成熟度和软熟品质的影响，在横跨‘翠玉’猕猴桃商业采收期前后的2个月（2021/9/8-11/10）生长期内，每周对两种砧木处理下的‘翠玉’果实进行了下树成熟度指标和软熟后品质指标检测，共计10个采收期。结果表明：单果重、可溶性固形物、硬度和干物质四个下树指标在两种砧木处理下的生长期内均表现出高度相似的变化趋势，仅可溶性固形物在对萼猕猴桃砧木处理下达到成熟的时间提前了5天，而单果重、硬度和干物质指标在两个砧木处理间基本无显著性差异。软熟果实中的可溶性固形物、总糖、维生素C和总酸含量等品质指标在所有采收期内的两个砧木处理之间基本上也无显著性差异，但是从第五个采收时期（2021年10月7日）开始较晚采收的果实有着更高的可溶性固形物、总糖和维生素C含量，意味着更好的果实软熟品质，可能与采收时积累更多的干物质含量有关。总之，相比普遍使用的美味砧，对萼砧并没有显著降低或提升接穗‘翠玉’果实的软熟品质，反而使‘翠玉’果实的成熟时间提前了5天。 |
| 英文摘要: |
| In order to elucidate the effects of two root stocks Actinidia valvata and A. chinensis var. deliciosa on maturity and ripening quality of kiwifruit ‘Cuiyu’, the maturity and ripening quality indices of ‘Cuiyu’ fruit grated on these two root stocks were weekly harvested and measured during two months (2021/9/8-11/10) of growth period which covered the commercial harvest window of ‘Cuiyu’ fruit, leading to ten harvest occasions. The results indicated that the four maturity indices, including fruit weight, soluble solids content (SSC), firmness and dry matter had a similar change during growth period between two root stock treatments, only SSC of the fruit grafted on A. valvata reached to the maturity for harvest criteria five days earlier than that of the fruit grated A. chinensis var. deliciosa, and moreover there was generally no significant difference in fruit weight, firmness and dry matter between two root stocks treatments. The ripening quality indices, including SSC, soluble total sugar, vitamin C and total acidity contents in ripe fruit basically revealed no significant difference between two root stocks treatments during whole harvest times, but the former three indices were affected by harvest time. The fruit harvested late since the fifth harvest occasion (October 7, 2021) accumulated more amounts of SSC, total sugar and vitamin C, and thus revealed a better quality, which may be associated with the high level of dry matter accumulation at harvest. In summary, our results suggested that the usage of A. valvata root stock did not reduce or improve significantly the ripening quality of ‘Cuiyu’ fruit, but made the time reaching to the harvest maturity five days earlier, compared to the widely used root stock of A. chinensis var. deliciosa. |
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