Growth effects of water excess on coffee seedlings (Coffea arabica L.)

被引:12
作者
de Oliveira Silveira, Helbert Rezende [1 ]
Santos, Meline de Oliveira [1 ]
Alves, Jose Donizeti [1 ]
de Souza, Kamila Rezende Dazio [1 ]
Andrade, Cinthia Aparecida [1 ]
Martins Alves, Raphaella Gomes [1 ]
机构
[1] Univ Fed Lavras, Dept Biol, Setor Fisiol Vegetal, BR-37200000 Lavras, MG, Brazil
关键词
soil waterlogging; hypoxia; mundo novo cultivar; catua cultivar; STATISTICAL-ANALYSIS; STRESS; METABOLISM; PLANTS; CROP;
D O I
10.4025/actasciagron.v36i2.17557
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The objective of the present study was to evaluate the interference of water excess in soil on the growth of young coffee plants of the Mundo Novo and Catuai cultivars. Plants were subjected to the following three different substrate water availability conditions: control (well-watered), continuous substrate waterlogged, and intermittent substrate waterlogged. Several growth-related traits were evaluated over the course of 19 weeks. Based on the number and quality of the affected variables from all forms of analyses, the Catuai cultivar showed greater sensitivity to waterlogging. Both cultivars exhibited growth inhibition in response to substrate waterlogging stress, which was exacerbated by premature leaf dropping.
引用
收藏
页码:211 / 218
页数:8
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