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Effects of Ginger Aqueous Extracts on Morphology and Photosynthesis Indexes of Ginger Seedling(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年17期
Page:
1-4
Research Field:
Publishing date:

Info

Title:
Effects of Ginger Aqueous Extracts on Morphology and Photosynthesis Indexes of Ginger Seedling
Author(s):
HAN Chun-mei1; LI Chun-long1; YE Shao-ping1; PAN Kai-wen2; WU Ning2; LI Wei2
1.Agronomy and Horticulture Branch,Chengdu Vocational College of Agricultural Science and Technology,Chengdu,Sichuan 611130;
2.ECORES Lab,Chengdu Institute of Biology,Chinese Academy of Sciences,Chengdu,Sichuan 610041
Keywords:
ginger; aqueous; seedling; photosynthesis
PACS:
S 632.5
DOI:
-
Abstract:
Taking ginger as material,the effect of different parts of ginger and different concentrations of ginger aqueous extracts on morphological index and photosynthesis index of ginger seedling were studied.The results showed that stem and leaf aqueous extracts of ginger with different concentrations significantly inhibited plant height,leaf numbers per plant and leaf area,and the degree of inhibition increased with the incremental extracts concentration.However,tiller number per plant showed no significant difference.Under the same concentration,stem aqueous extract showed the mostly inhibitory effect on morphological indexes and biomass indexes of ginger seedling.Rhizome aqueous extract showed the least inhibitory effect and leaf aqueous extract was intervenient.Meanwhile,enhanced concentration of ginger aqueous extracts significantly reduced photoparameters of ginger seedling (including intercellular CO2 concentration,stoma conductivity,net photosynthesis rate and transpiration rate).The results of correlation analysis between morphological indexes and photosynthetic parameters showed that all photosynthetic parameters of ginger seedling leaf were significant positive correlation with morphological index.In addition to intercellular CO2 concentration was positive correlation with leaf number per plant (correlation coefficient was 0.407),and with branch per plant but not significant.

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Last Update: 2014-08-07