Invasive Argemone mexicana’s suppressive effects on germination and early growth of Triticum aestivum and Hordeum vulgare in South-western Saudi Arabia
Manal A. Alshaqhaa, Imen Souid, Manar D. Alshehri, Norah Alyahya, Kamel Msaada, Mounira Mkaddem Guedri
TL;DR
This study shows how the invasive plant Argemone mexicana harms the growth of wheat and barley in Saudi Arabia.
Contribution
The study empirically evaluates the allelopathic effects of Argemone mexicana on staple crops in Saudi Arabia.
Findings
Seed and leaf extracts of Argemone mexicana significantly reduced germination and growth of wheat and barley.
Seed extracts were more inhibitory than leaf extracts.
Higher concentrations of extract caused greater suppression of germination and growth.
Abstract
The invasion of exotic plant species has emerged as a global problem that impacts the ecosystems, economy, and human health, and is the reason for biodiversity loss. Argemone mexicana L. is one of the plants that was recorded as an invasive plant species in south-western Saudi Arabia. Allelochemical properties have been stated but not empirically evaluated on economically important staple crops. In the present study, the phenotype of the A. mexicana L. plant was described using major and minor phenotypic morphology, and morphological seed. Additionally, laboratory experiments were conducted to evaluate the allelopathic effects of water extract of A. mexicana L. on radicle and plumule length of Triticum aestivum and Hordeum vulgare. Results showed that the allelopathic potential of leaf and seed extracts of A. mexicana decreased the seed germination (until 66.66%), plumule length…
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Taxonomy
TopicsAllelopathy and phytotoxic interactions · Plant Parasitism and Resistance · Insect Pest Control Strategies