|Table of Contents|

Adaptability of Cenchrus sp.Under Regulated Deficit Irrigation of Different Photosynthesis-Light Response Curve Models

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2023年12
Page:
122-128
Research Field:
Publishing date:

Info

Title:
Adaptability of Cenchrus sp.Under Regulated Deficit Irrigation of Different Photosynthesis-Light Response Curve Models
Author(s):
BU Jianchao; ZHOU Tonghui; LIU Fengshan; SU Dewei; LIN Dongmei; LIN Zhanxi
(China National Engineering Research Center of JUNCAO Technology，Fujian Agriculture and Forestry University,Fuzhou，Fujian 350002)
Keywords:
Cenchrus sp.; regulated deficit irrigation; photosynthesis-light response curve; Juncao
PACS:
-
DOI:
10.11937/bfyy.20224613
Abstract:
In order to reveal the photosynthetic physiological response mechanism of Cenchrus sp.under different water irrigation conditions， Cenchrus sp.was used as experimental material，the adaptability of photosynthesis light response curve model exponential model，right angled hyperbola model，non right angled hyperbola model and right angled hyperbola modified model to Cenchrus sp.photosynthetic light response were studied，in order to provide reference for the accurate selection of models for rational irrigation and water deficit of Cenchrus sp. The results showed that the photosynthetic light response curve would change with the degree of regulated deficit irrigation and the extension of treatment time after regulated deficit irrigation.The degree and time of deficit had a superimposed effect on the photosynthetic light response curve.The model validation found that the photosynthetic response curve model of Cenchrus sp.under suitable water deficit conditions was a non right angle hyperbola model.

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Last Update: 2023-07-31