| 贾学梅,杨琼,李文涛,刘艳梅,何绍兰,邓烈,谢让金,易时来,吕强,郑永强.Tyvek?地表覆盖后三个晚熟品种柑橘果实品质的分析[J].中国南方果树,2017,46(4): |
| Tyvek?地表覆盖后三个晚熟品种柑橘果实品质的分析 |
| The Impact of Tyvek?Plastic Film Mulching After mulching citrus fruit quality analysis of three late-maturing varieties |
| 投稿时间：2016-10-09 修订日期：2016-10-31 |
| DOI： |
| 中文关键词: 柑橘 地表覆盖 果实色泽 果实品质 寡日照 |
| 英文关键词:citrus plastic mulch fruit color fruit quality weak daylight |
| 基金项目:国家自然科学基金项目（面上项目，重点项目，重大项目） |
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| 中文摘要: |
| 为提出缓解长江三峡库区秋冬季连阴雨导致的低温寡日照对中晚熟柑橘果实品质的影响采取的栽培措施提供理论依据；本试验以重庆柑橘主栽品种椪柑(Citrus sinensis(L.) Osbeck)、纽荷尔脐橙(Citrus sinensisO sbeck ‘Newhall’)和塔罗科血橙(Citrus sinensis cv Tarocco)为材料，开展柑橘果实成熟期杜邦特卫强地膜全覆盖(Full cover，FC)、半覆盖(Half cover，HC)地表覆盖处理，和未覆盖作为对照(CK)，测定了树体不同部位的果实内在品质和外观品质； Tyvek?覆盖后纽荷尔脐橙和塔罗科血橙的通过显著降低了树体下部果实黄绿色差b的值，进而HC和FC下部果实外观品质a/b相对提高达到9.00%以上，同时下部亮度L也有显著提高；对覆盖后对椪柑外观色泽影响较小。对于果实的内在品质而言，椪柑和纽荷尔脐橙Tyvek?覆盖在90d时的树体下部的果实可滴定酸(Titratable acid，TA)含量均显著降低，且椪柑T/A相对于CK均达到10%以上；塔罗科血橙在150dFC处理果实可溶性固形物(Total soluble soiled content，TSS)显著的提高，HC处理显著降低了TA含量，最终覆盖后果实T/A均达到10%以上。研究表明在地表覆盖方式可以有效地降低秋冬季节多雨寡日照对中晚熟柑橘品质的影响，有效地促进了中晚熟柑橘品种果实品质，提高中晚熟柑橘的经济价值。 |
| 英文摘要: |
| To provide a theoretical basis for cultivation measures for alleviating the effects of weak daylight on citrus fruit quality. At fructescence, soil surface of Ponkan(Citrus sinensis(L.) Osbeck), Navel orange (Citrus sinensisO sbeck ‘Newhall’)and Tarocco (Citrus sinensis cv Tarocco) was applied full (FC) or half (HC) cover of DuPont Tyvek?non-woven materials. The determination of visual and inner quality of the different parts tree’s fruit quality. Tyvek?coverage of Newhall navel orange and Tarocco through reduced the value of the lower body of the yellow-green color difference b. FC and HC Tyvek?treatments significantly increased the final color index of fruits a/b. Both FC and HC treatments significantly improved Navel orange and Tarocco peel uniformity and fresh coloring. And the cover effect on the appearance color of Ponkan was less. For the inner quality of the fruit, the content of the titratable acid (TA) in the lower part of the tree was significantly decreased at the 90th day when the citrus and Newhall navel orange were covered with Tyvek? and the T / A ratio of CK reached 10% or more. Total soluble soil content (TSS) of Tarocco was significantly increased at 150dFC, and the content of TA decreased significantly after HC treatment, and the T/A reached more than 10%. The results showed that the mulching method could effectively reduce the effect of rainy and sunny seasons on the quality of late-maturing citrus, and effectively promoted the fruit quality of middle-late-maturing citrus varieties and increased the economic value of middle-late-maturing citrus. |
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