Authors
Jiaqi Geng, Guangli Shi, Xiang Li, Dan Sun, Zhenxing Wang, Jun Ai
Published in
BMC plant biology. Volume 25. Issue 1. Pages 1382. Oct 14, 2025. Epub Oct 14, 2025.
Abstract
Waterlogging is an important environmental factor limiting the cultivation of Actinidia arguta.
Using the main cultivars of 'Kuilv' and 'Lvwang', the waterlogging stress was simulated by the 'double pot method'. The purpose of this study was to explore the physiological response, key indicators, and evaluation methods of A. arguta germplasm resources under waterlogging stress.
Through the observation of the correlation analysis of the R value, day 6 of the waterlogging treatment was selected as the suitable treatment to evaluate the waterlogging tolerance of A. arguta after subjecting 'Kuilv' and 'Lvwang' with differential tolerance to varying waterlogging treatments. The waterlogging index and malondialdehyde (MDA) and soluble sugar contents were selected as the key physiological indicators via stepwise linear regression analysis of 41 A. arguta resources. Based on their tolerance levels, the A. arguta resources were divided into four levels: highly tolerant, medium tolerant, less sensitive, and sensitive to waterlogging. Moreover, a morphological description method was established based on the morphological characteristics of A. arguta under waterlogging. The study has identified 0904 and Jinong No 1 germplasms as highly potential tolerant germplasms for future A.arguta improvement activities. Our research provided a theoretical basis for further breeding research on waterlogging-tolerant resources of A. arguta.
PMID:
41087893
Bibliographic data and abstract were imported from PubMed on 15 Oct 2025.
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