Journal of Tianjin Agricultural University ›› 2019, Vol. 26 ›› Issue (2): 39-42.doi: 10.19640/j.cnki.jtau.2019.02.009

• Researches and Scientific Notes • Previous Articles     Next Articles

Anatomical structure of petiole and salt tolerant of 8 North American begonias

GAO Zhong-hao1, LI Zhen1, YANG Jing-hui1, ZHANG Chao2, LIU Yan-jun1, WANG Bin-bin3   

  1. 1. College of Horticulture and Landscape, Tianjin Agricultural Unsversity, Tianjin 300384, China;
    2. Tianshi College, Tianjin 301700, China;
    3. Tianjin LÜYIN Landscape and Ecology Construction Co. Ltd., Tianjin 300384, China;
  • Received:2018-04-30 Online:2019-06-20 Published:2019-09-19

Abstract: In order to understand the difference of leaf anatomical structure and its salt tolerance on the saline-alkali land, leaf anatomical structures of North American crabapple varieties such as ‘Donghong’, ‘Wumei’, ‘Adam’, ‘Xiyangyang’ ‘Guandian’ ‘Royal’ ‘Kells’and ‘Ruby’were analyzed. The results showed that the highest stomatal density was on the blade of ‘Wumei’(101.593 pieces/mm2); the guard cell area of Kells(0.112 mm2)was the largest; the guard cell transverse diameter of ‘Adam’(8.289 μm)was the longest; the guard cell longitudinal diameter of ‘Adam’(37.857 μm)was the longest; ‘Guardian’(0.4)had the highest aspect ratio of guard cells. The salt-tolerance of ‘Kells’(0.969)was the strongest, followed by ‘Adam’(0.789), ‘Donghong’(0.688), ‘Royal’(0.606), ‘Guardian’(0.543), ‘Xiyangyang’(0.498), ‘Ruby’(0.413)and ‘Wumei’(0.064)according to comprehensive analysis of membership functions.

Key words: salt tolerance, North American begonias, varieties, leaf anatomical structure

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