|Table of Contents|

Morphological Structure and Physiological and Biochemical Indexes of  Scindapsus aureus Under Drought Stress

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年09
Page:
100-105
Research Field:
Publishing date:

Info

Title:
Morphological Structure and Physiological and Biochemical Indexes of  Scindapsus aureus Under Drought Stress
Author(s):
JIN Yifeng1; CHEN Yang1; SHI Zhenjie1; SUN Huashan2; WANG Qi1; YANG Yahan1
(1.College of Life Science and Agriculture，Qiqihar University，Qiqihar，Heilongjiang 161006；2.College of Horticulture and Garden，Northeast Agricultural University,Harbin，Heilongjiang 150030)
Keywords:
Scindapsus aureus; drought stress; anatomical structure; drought resistance
PACS:
-
DOI:
10.11937/bfyy.20172713
Abstract:
With Scindapsus aureus as experimental materials，and the observation of anatomic structure and morphological appearance and the electro-conductibility determination as experimental method，the influence of drought stress on the anatomic structure and drought resistance of hydroponic culture and soil culture Scindapsus aureus were studied，so as to explore the influence of cultivation mode (hydroponic culture and soil culture) on the drought resistance of Scindapsus aureus.The results showed that under drought stress，Scindapsus aureus could reduce leaf surface area and plaint water desorption by the curling and wilting of leaves.With the extension of drought period，Scindapsus aureus showed obvious changes in appearance，mainly presenting tarnish and curling of leaves and pendulous petiole.The measurement of the conductivity of leaves revealed that under drought stress， the degree of damage to the leaves of hydroponic culture Scindapsus aureus was higher than those of soil culture Scindapsus aureus.After rewatering，the response of hydroponic culture Scindapsus aureus to rewatering secondary to drought showed a hysteresis effect，and the response of soil culture Scindapsus aureus to rewatering secondary to drought was faster as compared with hydroponic culture Scindapsus aureus.Under drought stress，the anatomical structure of Scindapsus aureus changed，the epidermis and cortex of the stem and root of Scindapsus aureus shrunk，the vascular cylinder of the stem obviously thickened，and the vascular cylinder of the root flattened.Comprehensive analysis indicated that under the same drought stress，the drought-resistant ability of soil culture Scindapsus aureus was higher than that of hydroponic culture Scindapsus aureus，and under the same rewatering conditions，the restoring ability of soil culture Scindapsus aureus was higher than that of hydroponic culture Scindapsus aureus.

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Last Update: 2018-05-24