|Table of Contents|

Evaluation of Shoot Characteristics and Cold Resistance of Six Hybrid Hazelnut Varieties During Natural Overwintering

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年24
Page:
32-38
Research Field:
Publishing date:

Info

Title:
Evaluation of Shoot Characteristics and Cold Resistance of Six Hybrid Hazelnut Varieties During Natural Overwintering
Author(s):
CAO Yang; LIANG Suoxing; HOU Dongmei; XI Haiyuan; WANG Wenping; ZHANG Mingli
(Pomology Institude,Shanxi Agricultural University,Taigu，Shanxi 030815)
Keywords:
hybrid hazelnut; osmotic regulators; protective enzyme activity; cold resistance evaluation; extraction rate
PACS:
-
DOI:
10.11937/bfyy.20210922
Abstract:
One-year-old shoot of six varieties, ‘Ping′ou 28’ ‘Dawei’‘Yuzhui’‘Liaozhen 8’‘B-21’and ‘85-124’ were used as test materials.The contents of osmotic adjustment substances,activities of protective enzymes and the percentage of field cuttings were measured during the overwintering period from December 2020 to February 2019 in Shanxi Province,in order to promote the scientific development of hybrid hazelnut breeding and large-scale cultivation in Shanxi Province.The results showed that the contents of MDA，soluble protein and soluble sugar in hybrid Corylus heterophylla cv.‘Ping′ou’ were increased firstly and then decreased，and the activities of POD and SOD were decreased ‘Dawei’ and ‘Ping′ou 28’ had 0%，and ‘85-124’ had the highest percentage，and ‘Dawei’ had the highest percentage of all physiological indexes except the lowest MDA content，while ‘85-124’ had the opposite.The cold resistance of 6 varieties was evaluated，the order from strong to weak was ‘Dawei’>‘Ping′ou 28’>‘B-21’>‘Yuzhui’>‘Liaozhen 8’>‘85-124’.

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Last Update: 2022-03-19