|Table of Contents|

Chilling Tolerance Evaluation of Bitter Gourd Germplasm(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年24
Page:
1-6
Research Field:
Publishing date:

Info

Title:
Chilling Tolerance Evaluation of Bitter Gourd Germplasm
Author(s):
NIU Yu1; LIU Ziji1; LIU Zhaohua1; LI Hanfeng1; FU Jiajie2; YANG Yan1
1.Tropical Crops Genetic Resources Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou,Hainan 571737;2.Key Laboratory of Crop Gene Resources and Germplasms Enhancement in Southern China,Ministry of Agriculture,Danzhou,Hainan 571737
Keywords:
Keywords:bitter gourd; germplasm; low temperature stress; germination period; seedling period; chilling tolerance identification
PACS:
-
DOI:
10.11937/bfyy.20172273
Abstract:
The chilling tolerance of 148 bitter gourd germplasm was evaluated and the chilling tolerance and coefficients of variation of different types were compared.The results showed that 32 and 48 gemplasm possess higher tolerance to chilling tolerance with grade 3 at germinating and seedling stage,accounting for 21.62% and 32.43%,respectively.The chilling tolerance was different among different type of bitter gourd germplasm.The green,stinging wart and nearly spherical germplasm had higher chilling tolerance at germinating stage.The dark green,stinging wart and nearly spherical germplasm had higher cold tolerance at seedling stage.The chilling tolerance of bitter gourd germplasm at germinating and seedling stage had certain correlation,but not consistent.The results could provide materials for chilling tolerance breeding and chilling tolerance mechanism research.

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Last Update: 2017-12-28