Ingenious enactment of Halimeda macroloba-sourced calcium for the improved agro-active response of Arachis hypogea L

B. Palani Kumar, V. Sowntharya, V. Muthulaxmi, Kahkashan Perveen, Rahul Datta, S. Yogalakshmi, Sakthivel Venkatesh, Mythili Ravichandran () and R. Dineshkumar ()
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B. Palani Kumar: Jain (Deemed to be University)
V. Sowntharya: Jain (Deemed to be University)
V. Muthulaxmi: Karpagam Academy for Higher Education
Kahkashan Perveen: King Saud University
Rahul Datta: Mendel University in Brno
S. Yogalakshmi: Karpagam Academy for Higher Education
Sakthivel Venkatesh: Department of Botany, Saraswathi Narayanan College
Mythili Ravichandran: Vivekanandha Arts and Science College for Women-Sankagiri
R. Dineshkumar: Vivekanandha Arts and Science College for Women-Sankagiri

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2024, vol. 26, issue 10, No 24, 25133-25149

Abstract: Abstract The agroactive assessment of marine macroalgae-inspired calcium on growth and yield impact of Arachis hypogea L. was studied. The soil and water samples were collected and the physico-chemico and biological profiles of Arachis hypogea L. were evaluated. The study was performed with six treatment groups, including control, cow dung, gypsum, seaweed, cow dung + gypsum, and cow dung + seaweed, with doses of 25%, 50%, 75%, and 100%. The seaweed was collected from the southeast coast of India, and it was identified as Halimeda macroloba. Among various studied treatment groups, seaweed offered bio-based calcium content of 3771 mg/100 g next to gypsum (5010 mg/g). Moreover, the significant growth of microbial populations was identified during the flowering stage of Arachishypogea L.including Rhizobium sp.,Proteus sp., Pseudomonas sp., Bacillus sp., Azotobacter sp., and Aspergillus sp., Indeed, the plant growth parameters were studied in Arachis hypogea L. both early stage and flowering stage by various treatment groups. The plant height, No .of branches, and no. of leaves were analyzed in the both early and flowering stages. Among them, Halimeda macroloba revealed improved activity than others. Similarly, root nodule count of the flowering stage at 45 and 60 days was studied and Halimeda macroloba displayed more no. of root nodule count than others. Moreover, the seaweed has more chlorophyll profile viz., chlorophyll a, chlorophyll b, and total chlorophyll than others, estimated as 3.6 mg/ml, 2.7 mg/ml, and 6.3 mg/ml, respectively. Finally, the chemical profile also showed the effectiveness of Halimeda macroloba, which indicated the quality yield of Arachis hypogaea L. Furthermore, the Scanning Electron Microscope analysis of Halimeda macroloba even showed a promising elongation potential of xylem and phloem than other treatments, which is used for better nutrient transportation and growth yield. From the result of the study, the Arachis hypogea L showed more yield response to Halimeda macroloba application. It is the first attempt to prove as Halimeda macroloba has significant potential as a calcium-rich biofertilizer enhancing growth-enhanced agricultural ecology. Graphical abstract

Keywords: Arachis hypogea L.; Seaweed; Halimeda macroloba; Calcium; Biofertilizers (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10668-023-03673-4

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