|Table of Contents|

Effects of Natural Drought Stress on Growth,Physiological and Biochemical Indexes of Black Fruit and Red Fruit Berberis Seedlings

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年04
Page:
80-86
Research Field:
Publishing date:

Info

Title:
Effects of Natural Drought Stress on Growth,Physiological and Biochemical Indexes of Black Fruit and Red Fruit Berberis Seedlings
Author(s):
LI Linyu1; FANG Ziyan1; AIKEBAIER·Maola1; ZHOU Long1; LU Biao2
(1.College of Forestry and Horticulture,Xinjiang Agricultural University,Urumqi,Xinjiang 830052；2.Xinjiang Tekesi County Forestry,Tekesi,Xinjiang 835500)
Keywords:
black fruit Berberis; red fruit Berberis; persistent drought; physiological index; membership function method; grey correlation
PACS:
-
DOI:
10.11937/bfyy.20191266
Abstract:
To provide theoretical basis and technical reference for the cultivation and water management of black fruit and red fruit Berberis seedlings,the 12-week-old black fruit and red fruit Berberis seedlings were used as test materials.Potted and continuous drought treatment methods were used to simulate the effects of different drought stress periods on the growth and resistance physiology of black fruit and red fruit Berberis seedlings.The results showed that with the prolongation of drought stress and the increase of stress degree,the soil relative water content (RSWC),plant height and ground diameter increased gradually;the activity of peroxidase (POD) and the activity of superoxide dismutase (SOD) in the leaves of black fruit and red fruit Berberis seedlings increased first and then decreased;the content of abscisic acid (ABA) and free proline (FP) and the content of malondialdehyde (MDA) gradually increased.The fuzzy math membership function method was used to evaluate various drought resistance indicators,the drought resistance of red fruit Berberis was better than that of black fruit.According to the grey correlation analysis,the order of correlation between each index and its drought resistance was as follows,POD activity>FP content>MDA content>ABA content>SOD activity.

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Last Update: 2020-03-30