|Table of Contents|

Photosynthetic Characteristics and Mineral Nutrition of Different Degrees of Yellowing Leaves of

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年12
Page:
47-51
Research Field:
Publishing date:

Info

Title:
Photosynthetic Characteristics and Mineral Nutrition of Different Degrees of Yellowing Leaves of
Author(s):
JIANG YuwenWU MinfangLI YalingLUO JingSHEN TianjiaoQIAO Guang
(College of Life Sciences,Guizhou University/Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region Ministry of Education/Institute of Agro-bioengineering,Guiyang,Guizhou 550025)
Keywords:
cherryleaf yellowingnutrient elementschlorophyllphotosynthetic
PACS:
-
DOI:
10.11937/bfyy.20194183
Abstract:
Using ‘Manaohong’cherry saplings as test materials,the photosynthesis pigments,photosynthetic characteristics and mineral nutrients of different degrees of yellowing leaves of‘Manaohong’ cherry were studied by means of indoor detection and field investigation.The results showed that with the increase of yellowing degrees,the content of chlorophyll (a+b) and carotenoid decreased significantly,and the photosynthetic rate (Pn),transpiration rate (Tr) and stomatal conductance (Gs) decreased significantly.The concentration of CO2 (Ci) increased significantly.The contents of nutrient elements N,P,Ca,Mg and Fe in yellow leaves decreased,and the content of K increased.Correlation analysis showed that Ca,Fe,Mg had the highest correlation with chlorophyll content.

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Last Update: 2020-08-25