Articles
A method on screening materials under heat stress
Article number
1411_2
Pages
7 – 14
Language
English
Abstract
Yield and quality of chieh-qua are significantly reduced due to high-temperature stress.
In order to screen for high-quality heat-resistant materials, a total of 10 chieh-qua seedlings at the two-leaf and one-heart stage were used in our study.
We used the scanning electron microscopy to observe leaf stomata.
The relative conductivity, malondialdehyde (MDA), and superoxide dismutase (SOD) contents were measured and the survival rate after returning to normal temperature post-stress was calculated.
By combining the physiological indicators, stomatal density observations, and phenotypic characteristics of before heat stress, during heat stress, and post heat stress, we screened and obtained the heat tolerant materials.
This method accurately identifies materials with heat tolerance in different chieh-qua germplasm resources during the seedling stage, which is helpful for heat-resistant breeding.
In order to screen for high-quality heat-resistant materials, a total of 10 chieh-qua seedlings at the two-leaf and one-heart stage were used in our study.
We used the scanning electron microscopy to observe leaf stomata.
The relative conductivity, malondialdehyde (MDA), and superoxide dismutase (SOD) contents were measured and the survival rate after returning to normal temperature post-stress was calculated.
By combining the physiological indicators, stomatal density observations, and phenotypic characteristics of before heat stress, during heat stress, and post heat stress, we screened and obtained the heat tolerant materials.
This method accurately identifies materials with heat tolerance in different chieh-qua germplasm resources during the seedling stage, which is helpful for heat-resistant breeding.
Publication
Authors
Chujie Ouyang, Shaoqi Shi, Jinsen Cai, Yan Liu, Songguang Yang, Qingwu Peng, Min Wang
Keywords
chieh-qua, high-temperature stress, physiological indicators, heat tolerance
Groups involved
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