Acta Horticulturae Sinica ›› 2022, Vol. 49 ›› Issue (6): 1200-1212.doi: 10.16420/j.issn.0513-353x.2021-0367

• Research Papers • Previous Articles     Next Articles

Correlation Between Anatomical Structure and Resistance to Powdery Mildew in Chinese Wild Vitis Species

WEI Xiaoyu, WANG Yuejin()   

  1. State Key Laboratory of Crop Stress Biology in Arid Areas,Key Laboratory of Horticultural Plant Germplasm Resource Utilization in Northwest China,Ministry of Agriculture and Rural Affairs,College of Horticulture,Northwest Agriculture and Forestry University,Yangling,Shaanxi 712100,China
  • Received:2021-10-05 Revised:2022-01-29 Online:2022-06-25 Published:2022-07-04
  • Contact: WANG Yuejin


Ten different of grape berries(including Vitis davidii Foëx,V. quinquangularis,V. pseudoreticulata and V. vinifera‘Thompson Seedless’)were used as materials to explore the relationship between grape fruit epidermis tissue structure and powdery mildew resistance. The results showed that the following grapes showed disease resistance:V. davidii‘Tangwei’,‘Fujian-4’;V. quinquangularis ‘Danfeng-2’,‘Taishan-12’,‘Shang-24’,V. vinifera‘Thompson Seedless’,‘Red Globe’and‘Carinena’are susceptible varieties. The cuticle of the epidermis of Chinese wild V. davidii,V. quinquangularis and V. pseudoreticulata were thicker than that of European grape. The cuticle of the epidermis of V. davidii and V. quinquangularis were regularly arrangedand tight,and the epidermis of V. vinifera‘Thompson Seedless’was thinnest,the epidermal cuticle was the thinnest and the cells of the epidermal layer of the fruit skin were irregularly shaped and loosely arranged. The epidermis and subepidermis of V. davidii‘Tangwei’were the thickest,followed by V. quinquangularis‘Danfeng-2’and V. pseudoreticulata‘Baihe 35-1’,and the epidermis and subepidermis of V. vinifera‘Thompson Seedless’were the thinnest. Correlation analysis showed that there was a significant positive correlation between the thickness of cuticle and epidermal layer of fruit skin and resistance to powdery mildew in grapes,and the cuticle and epidermal layer thicknesses of fruit skin of disease-resistant plants were generally thicker than those of disease-susceptible plants.

Key words: Chinese wild Vitis grapevine, fruit, anatomical structure, cuticles, epidermis, powdery mildew, disease-resistance

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