|Table of Contents|

Effects of Drought Stress on Physiological Characteristics and Coloration of Ilex × ‘Nellie R.Stevens’ Fruit

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2025年7
Page:
80-88
Research Field:
Publishing date:

Info

Title:
Effects of Drought Stress on Physiological Characteristics and Coloration of Ilex × ‘Nellie R.Stevens’ Fruit
Author(s):
SUN Qiuyue1; HAO Mingzhuo1; 2; ZHU Bailing1; YIN Yawen1; WU Wenping1; ZOU Yiping1; 2
(1.College of Forestry and Grassland/College of Soil and Water Conservation，Nanjing Forestry University,Nanjing,Jiangsu 210037;2.Jiangsu Qinghao Landscape Horticulture Co.Ltd.，Nanjing,Jiangsu 211225)
Keywords:
holly; drought stress; fruit quality; coloration; membership function method
PACS:
S 687
DOI:
10.11937/bfyy.20244029
Abstract:
Taking 1.5-year-old IlexבNellie R.Stevens’ holly cuttings were used as test materials,and strict water control was applied at the beginning of fruit color change.Four drought stress treatments (T1 20%-30%，T2 40%-50%，T3 60%-70%，T4 80%-90% soil moisture content) were compared to a normal irrigation control group (CK),the effects of drought stress on fruit quality and coloration,in order to provide reference for improving the fruit quality and ornamental value of holly as well as for optimizing water resource management during cultivation.The results showed that drought stress increased malondialdehyde (MDA) content and enhanced antioxidant enzyme activity in the fruit skin.Soluble sugar and protein contents increased，with soluble protein showing a significant upward trend.Chlorophyll content decreased，while carotenoid content increased.Fruit color analysis showed no significant change in L* value，but an increase in a* value.Comprehensive evaluation using the membership function method revealed higher scores for drought stress treatments (T1 0.77，T2 0.54，T3 0.46，T4 0.36) compared to the control group (0.29).Results showed that appropriate drought stress could positively regulate ‘Nellie R.Stevens’ holly fruit development and promote coloration.

References:

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Last Update: 2025-04-17