|Table of Contents|

Physiological Responses of Tomato，Pepper and Eggplant in Low Temperatures

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2026年11
Page:
52-60
Research Field:
Publishing date:

Info

Title:
Physiological Responses of Tomato，Pepper and Eggplant in Low Temperatures
Author(s):
LI Quangang1; 2; YANG Yanning1; BAI Ruxiao1
(1.Northwest Oasis Water-saving Agriculture Key Laboratory，Ministry of Agriculture and Rural Affairs/Xinjiang Production & Construction Corps Key Laboratory of Efficient Utilization of Water and Fertilizer，Xingjiang Academy of Agricultural Science,Shihezi，Xinjiang 832000；2.The 8th Division Shihezi Science and Technology Development Promotion Center，Shihezi，Xinjiang 832000)
Keywords:
rootstock germplasm; tomato (Solanum lycopersicum); eggplant (Solanum melongena); pepper (Capsicum annuum); physiological response; subordinate function method
PACS:
S641
DOI:
10.11937/bfyy.20253559
Abstract:
Taking 12 grafted seedlings of Solanaceae rootstocks (including 6 tomato，3 eggplant，and 3 pepper rootstocks) as the test materials，employing a low-temperature stress treatment at 8 ℃.Phenotypic indicators such as plant height，root length，dead seedling rate，and cold tolerance grade，as well as physiological parameters including relative electrical conductivity，malondialdehyde (MDA)，chlorophyll，proline，and soluble sugar contents，were systematically measured.The research investigated the physiological responses and cold tolerance differences among various rootstocks under low-temperature stress，in order to screen for rootstock germplasms with excellent low-temperature tolerance and elucidate their cold resistance mechanisms,in order to provide references for the breeding and application of cold-tolerant vegetable rootstocks.The results showed that low-temperature stress significantly increased the dead seedling rate，relative electrical conductivity，and MDA content in the rootstocks，while simultaneously promoting the accumulation of proline，chlorophyll，and soluble sugars.Using the membership function method for comprehensive evaluation，the tomato rootstock ‘Fanzhen 3’，eggplant rootstock ‘Qiezhen 4’，and pepper rootstock ‘Lazhen 2’ were identified as exhibiting outstanding low-temperature tolerance.

References:

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Last Update: 2026-06-23