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Effects Of Dupont Tyvek (R) N.on-Woven Material Mulching On F ruit Quality And Chlorophyll Fluorescence In Wanzhou Rose Orange

文献类型： 外文期刊

作者： Xie Rangjin;Wang Ya;Yang Qiong;Zheng Yongqiang;Yi Shilai;Ma Yanyan;He Shaolan;Deng Lie;Jia Xuemei;Lv Qiang;Liu Yanmei

作者机构：

关键词： Citrus sinensis (L.) Osbeck cv Tarocco; Plastic film mulching; Total soluble soiled; Titratable acid; Weak daylight

期刊名称： SCIENTIA HORTICULTURAE

ISSN： 0304-4238

年卷期： 2017 年 219 卷

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摘要： To provide a theoretical basis for cultivation measures for alleviating the effects of weak daylight on citrus fruit quality, the effects of DuPont Tyvek Non-Woven Material Mulching on Fruit Quality and Chlorophyll Fluorescence in Wanzhou Rose Orange [Citrus sinensis (L) Osbeck cv Tarocco] was evaluated. At fructescence, soil surface of rose orange was applied full (FC) or half (HC) cover of DuPont Tyvele((R)) non-woven materials, and relative light intensity, fruit quality, chlorophyll fluorescence, and other indexes were assessed. The experiment show that Tyvek mulching significantly increased relative light intensity at different parts of the tree regardless of weather. Specifically, relative intensity of reflected light at the bottom was improved by more than 177.8%. In terms of fruit internal quality, the total soluble soiled (TSS) content of FC-treated trees was significantly increased compared with control values. However, titratable acid (TA) contents of HC-treated trees were significantly enhanced, delaying fruit ripening. Meanwhile, TA contents of FC-treated trees showed no significant changes, promoting fruit ripening. At the same time, FC and HC Tyvek treatments significantly increased the final color index of fruits a/b. Both FC and HC treatments significantly improved peel uniformity and fresh coloring. Finally, HC and FC treatments significantly altered chlorophyll fluorescence transient and other leaf parameters; Fj, Vj, ABS/RC, RC/Cso and phi(Do) in leaves of HC-treated trees were significantly increased, and psi(o), (PEo and Fv/Fo markedly decreased. Meanwhile, ABS/RC, RC/Cso and phi(Do) in the FC group were significantly reduced, and to, phi(Eo) and Fv/Fo markedly increased, compared with control values. In conclusion, the FC method effectively decreases the effects of weak daylight on rose orange quality, and could improve its economic value. (C) 2017 Elsevier B.V. All rights reserved.

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