Plant physiology, biochemistry and molecular biology

Heat Resistance Analysis of Six Species of Camellia Based on Leaf Anatomy

  • 谢德志,马红岩,赖武婷,张慧琳,袁富坚,钱银兰
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  • (College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, Guangdong China)

Received date: 2022-05-16

  Accepted date: 2022-07-01

  Online published: 2023-01-17

Abstract

The leaves of six species of Camellia were studied anatomically by paraffin sections technique. The indicators were screened by cluster analysis and correlation analysis, and the heat resistance of Camellia plants was evaluated by affiliation function method. The results showed that the leaves of six species of Camellia were all heterogeneous. The upper and lower epidermis of leaves consisted of one layer of cells arranged closely. The leaf flesh tissue contained crystals and irregular stone cells, and the fenestrated tissue consisted of one to three layers of long cylindrical cells and contained a large number of chloroplasts. The main indicators affecting the heat resistance of these Camellia plants were leaf thickness, fenestrated tissue/sponge tissue, cuticle thickness, and tissue laxity. Based on heat resistance from strong to weak, order of six species of Camellia was C. semiserrata var. magnocarpa, C. mongshanica, C. mairei var. lapidea, C. caudata, C. edithae, C. crapnelliana. According to the type of heat resistance, These Camellia plants could be divided into three categories: C. semiserrata var. magnocarpa was heat-resistant; C. mongshanica was medium heat-resistant; other 4 plants were low heat-resistant.

Cite this article

谢德志,马红岩,赖武婷,张慧琳,袁富坚,钱银兰 . Heat Resistance Analysis of Six Species of Camellia Based on Leaf Anatomy[J]. Subtropical Plant Science, 2022 , 51(4) : 256 -263 . DOI: 10.3969/j.issn.1009-7791.2022.04.003

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