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Evaluating the performance of traditional paddy (Oryza sativa L.) landraces under floating cultivation techniques in southern Tamil Nadu 


DOI: 10.31830/2454-1761.2024.CR-994    | Article Id: CR-994 | Page : 181-189
Citation :- Evaluating the performance of traditional paddy (Oryza sativa L.) landraces under floating cultivation techniques in southern Tamil Nadu. Crop Res. 59: 181-189
ANURETHAA R, SYED ABUL HASSAN HUSSAINY AND DURAI SINGH, R thesyedhussainy@gmail.com
Address : Department of Agronomy. Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai-625 104, Tamil Nadu, India
Submitted Date : 22-10-2024
Accepted Date : 23-10-2024

Abstract

Floating rice cultivation, a novel method, is essential for boosting crop yields and resilience amid climate change using flood-prone and water-saturated environments. This approach leverages aquatic resources such as lakes and reservoirs, enhancing agricultural productivity and ecosystem health. This study was conducted in 2023 at the Department of Agronomy, Agricultural College and Research Institute, Madurai to assess the suitability and production potential of cultivating traditional paddy varieties viz., Chinnar and Chithiraikar under floating conditions. Various substrates including soil, coir pith, wooden chips, sugarcane trash, thermocol, leaf compost, and jute bags were levelled out over paddy seeding trays (60 × 30 cm) and placed over bamboo rafts (120 × 120 cm) which served as the float base. Various parameters viz., germination (%), leaf area index (LAI), vigour index, plant population, dry matter production (g/m2), grain yield (kg/ha) and straw yield (kg/ha) were analysed. Results revealed that better crop establishment and crop growth were highly influenced by nursery and conditions with coconut coir outperforming other substrates. However, findings indicated that thermocol substrate is more productive in realizing higher yield attributes and yield (9.83 g/plant, 9.90 g/plant, respectively) of both Chinnar and Chithiraikar landraces of rice. Thus, floating rice cultivation offers a sustainable way to enhance productivity and adaptability, with traditional paddy varieties suitable for soilless media, though further research is needed to optimize its effectiveness.

Keywords

Chinnar chithiraikar floating rice cultivation landraces growth yield 


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