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The Impact of High Temperatures in the Field on Leaf Tissue Structure in Different Grape Cultivars

文献类型： 外文期刊

作者： Wu, Jiuyun 1 ; Abudureheman, Riziwangguli 1 ; Zhong, Haixia 2 ; Yadav, Vivek 2 ; Zhang, Chuan 2 ; Ma, Yaning 1 ; Liu, Xueyan 1 ; Zhang, Fuchun 2 ; Zha, Qian 2 ; Wang, Xiping 1 ;

作者机构： 1.Xinjiang Acad Agr Sci, Turpan Res Inst Agr Sci, Turpan 838000, Peoples R China

2.Xinjiang Grape Engn Technol Res Ctr, Turpan 838000, Peoples R China

3.Xinjiang Acad Agr Sci, Inst Hort Crops, State Key Lab Genet Improvement & Germplasm Innova, Key Lab Genome Res & Genet Improvement Xinjiang Ch, Urumqi 830091, Peoples R China

4.Shanghai Acad Agr Sci, Res Inst Forestry & Pomol, Shanghai 201403, Peoples R China

5.Northwest A&F Univ, Coll Hort, Xianyang 712100, Peoples R China

关键词： grapevine; high temperature; heat tolerance; leaf anatomical structure

期刊名称：HORTICULTURAE （ 影响因子：3.1； 五年影响因子：3.4 ）

ISSN：

年卷期： 2023 年 9 卷 7 期

页码：

收录情况： SCI

摘要： Global warming will significantly affect grapevine growth and development. To analyze the effects of high temperature on the leaf tissue structure of grapevines in the field, 19 representative cultivars were selected from the grapevine germplasm resources garden in Turpan Research Institute of Agricultural Sciences, XAAS. Twelve tissue structure indexes of grapevine leaves, including the thickness of the upper epidermis (TUE), the thickness of palisade tissue (TPT), leaf vein (LV), the thickness of spongy tissue (TST), the thickness of the lower epidermis (TLE), stoma (St), guard cell (GC), cuticle (Cu), leaf tissue compactness (CTR) and leaf tissue porosity (SR), were measured during the natural high-temperature period in Turpan. The results showed significant differences in the leaf tissue structure of the 19 grapevine cultivars under natural high temperature. Based on the comprehensive comparative analysis of the leaf phenotype in the field, we identified that the leaves of some cultivars, including 'Zaoxia Wuhe', 'Centennial Seedless' and 'Kyoho' showed strong heat tolerance, whereas grapevine cultivars 'Golden Finger', 'Shine Muscat', 'Flame Seedless', 'Bixiang Wuhe' and 'Thompson Seedless' showed sensitivity to high temperature. We further evaluated the heat tolerance of different grapevine cultivars by principal component analysis and the optimal segmentation clustering of ordered samples. These findings provide a theoretical basis for adopting appropriate cultivation management measures to reduce the effect of high temperatures and offer fundamental knowledge for future breeding strategies for heat-tolerant grapevine varieties.

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