Studies on the Leaf Epidermal Structure of Litchich inensis and Dimocarpuslongan

ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (4): 825-828.

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Studies on the Leaf Epidermal Structure of Litchich inensis and Dimocarpuslongan

Wang Xinyan;He Huiling;Xiao Dexing

(Department of Horticulture, Zhongkai Agrotechnical College, Guangzhou, Guangdong 510225, China)

Received:2005-09-19 Revised:2006-01-25 Online:2006-08-25 Published:2006-08-25

Abstract

Abstract: The structure of leaf ep idermis was studied with scanning electronic microscope ( SEM) in 3 cultivars of litchi and longan respectively. The results showed that the cuticle thickness in upper epidermis was 1.93 μm in litchi and 2.36μm in longan. Numerous protuberances could be observed on the lower epidermis, the densities of p rotuberance were 7 855.1 /mm² in litchi and 7 708.8 /mm² in longan. The litchips protuberances were dome-shaped with 9.55μm in width and 5.71μm in height. The longanps protuberances were
long, 5.94 μm in width and 10.38 μm in height. The stomata appeared only on lower epidermis, the size of stomata in litchiwas 6.98μm ×3.09μm while 7.14μm ×2.30μm in longan. The characteristic difference of the ep idermis construction was obvious between litchi and longan.

Key words: Litchi chinensis, Dimocarpus longan, Epidermis, Stomata, SEM

Wang Xinyan;He Huiling;Xiao Dexing. Studies on the Leaf Epidermal Structure of Litchich inensis and Dimocarpuslongan[J]. ACTA HORTICULTURAE SINICA, 2006, 33(4): 825-828.

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Studies on the Leaf Epidermal Structure of Litchich inensis and Dimocarpuslongan

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