WANG Zhen,LIU Didi,ZHANG Zhenwen.Effect of Canopy Thickness on Microclimate,Photosynthesis and Berry Quality of ‘Cabernet Sauvignon’[J].Northern Horticulture,2017,41(17):20-28.[doi:10.11937/bfyy.20170716]
叶幕厚度对“赤霞珠”葡萄叶幕微气候、光合特性及果实品质的影响
- Title:
- Effect of Canopy Thickness on Microclimate,Photosynthesis and Berry Quality of ‘Cabernet Sauvignon’
- 分类号:
- S 663.101
- 文献标志码:
- A
- 摘要:
- 机械修剪以其高效高质的优势逐渐受到国内外葡萄种植业青睐。为探究机械修剪对葡萄叶幕微气候、光合特性及果实品质的影响,以4年生“赤霞珠”品种为试材,叶幕厚度分别设置为70 cm(不抹副梢)、85 cm(抹副梢)、85 cm(不抹副梢)、100 cm(不抹副梢),并于生长期调查了葡萄叶面积,测定光照强度、光合指标及浆果品质,采用单因素方差分析(ANOVA)进行数据分析。结果表明:叶幕厚度对叶幕微气候无显著影响,但随叶幕增厚,果际周围温度略降、湿度略升、光照强度减弱;葡萄转色期,70 cm(不抹副梢)叶幕光合速率较85 cm(抹副梢)显著提高12.9%,85 cm与100 cm处理差异不大;70 cm(不抹副梢)、85 cm(抹副梢)处理能在提高产量的同时促使葡萄提前成熟,增加果实含糖量、pH及总花色素含量,100 cm处理能提高总酚、单宁及总酸含量。总体来讲,山西晋中地区的“赤霞珠”葡萄叶幕厚度应选择70 cm。
- Abstract:
- Mechanical canopy pruning system is popular for it′s high efficiency and quality.In order to explore the effect of canopy thickness under mechanical pruning on microclimate,photosynthesis and fruit quality of grapevine,the 4-year-old ‘Cabernet Sauvignon’ was pruned to 70 cm,85 cm and 100 cm with axillary shoot,and 85 cm without axillary shoot.Total leaf area and photosynthesis were measured at veraison stage,and phenols,tannin,total anthocyanin of skin were tested after harvest.The data was analyzed by one-way ANOVA,and the result showed that:there was no significant effect on canopy microclimate,but for fruit zone,with thickness increasing,the temperature and light intensity decreased,and the humidity raised;photosynthesis rate of treatment 70 cm (with axillary shoot) improved significantly about 12.9% compared with 85 cm (no axillary shoot),and there was no obvious difference between 85 cm and 100 cm;treatment 70 cm (with axillary shoot) and 85 cm (no axillary shoot) got higher yield and shortened ripening time,and the content of total sugar,pH and anthocyanin enhanced remarkably,while treatment 100 cm could improve total phenols and acid content.In conclusion,mechanical canopy system of 70 cm was adequate for ‘Cabernet Sauvignon’ in Shanxi Jinzhong region.
参考文献/References:
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备注/Memo
第一作者简介:王珍(1991-),女,硕士研究生,研究方向为葡萄与葡萄酒。E-mail:wangzhenxpt@163.com.