Evaluation of the allelopathic potential of Trianthema portulacastrum L. on Convolvulus arvensis L. (October 2022)

• Record Type: Journal Article
• Authors: Hassan, Muhammad Shahid; Naz, Nargis; Ali, Habib
• Is Part Of: Biochemical systematics and ecology. Volume 104(2022)
• Publication Date: 2022-10
• Subjects: Allelochemicals -- Chlorophyll -- Growth -- Herbicide -- Water extract -- Weeds; Chemotaxonomy -- Periodicals; Biochemical variation -- Periodicals; Ecology -- Periodicals; Biochemistry -- Periodicals; Ecology -- Periodicals; Chimiotaxinomie -- Périodiques; Variation biochimique -- Périodiques; Écologie -- Périodiques; 578.012
• DOI: 10.1016/j.bse.2022.104491
• Languages: English
• ISSNs: 0305-1978

Abstract

Abstract: Background: As the crop season progresses and plants size increases, weeds also begin to compete with the essential resources available for plant growth. Once weeds initiate to deprive the crop of these essential resources, the crop yield potential can be negatively impacted. Weeds infestations not only caused a severe impact on the yield but also provide shelter for various pathogens. Convolvulus arvensis (field bindweed) is a serious detrimental weed to various crops. Among weed control methods, herbicidal control through synthetic chemicals is the most popular method but excessive usage of herbicides is a health hazard and causes environmental pollution along with resistance problems in weeds. Therefore, allelopathy is an eco-friendly biological control method. The objective of this research was to study the allelopathic influence of Trianthema portulacastrum (horse purslane) on the growth of C. arvensis. To meet the objectives, root and shoot length, leaf area, chlorophylls (a and b), total soluble sugars, proline, superoxidase dismutase (SOD), and catalase (CAT) activities were assessed. Results: Results intimate that water extracts of root and shoot of T. portulacastrum significantly (p ≤ 0.05) inhibited growth parameters. But the allelopathic effect of shoot extract was more toxic than the root extract and maximum growth inhibition was found in 100% shoot extract. This inhibition of the growth of C. arvensis was coupled with a significant increase in soluble sugars and proline. In addition, growth reduction was associated with a decrease in photosynthetic pigments and activities of SOD and CAT. Shoot extract treatments caused almost equal inhibitory action in the growth of C. arvensis with herbicide treatment. Conclusion: The results indicated that shoot extract of T. portulacastrum could be used as a bio-herbicide against C. arvensis . Highlights: As plant size increases, weeds also begin to compete with the available resources. Convolvulus arvensis is a serious detrimental weed to various crops. Results intimate that water extracts of root and shoot of T. portulacastrum significantly inhibit the growth parameters. The extract of T. portulacastrum could be used as a bio-herbicide against C. arvensis .