Preliminary Studies on the use of Botanical Extracts as An Eco-Friendly Approach to Manage Pests of Rice in Karaikal, U.T. of Puducherry
Year: 2025
Type: article
Abstract: Field experiments were conducted at the Eastern farm of Pandit Jawaharlal Nehru College of Agriculture and Research Institute (PAJANCOA and RI), Karaikal, during Rabi 2019-2020 to study the effect of botanical extracts against the major pests of rice. Gall midge (Orseolia oryzae), it was found that Significant differences (P < 0.01) were recorded, the overall mean silver shoot damage was low in thiamethoxam 25 WG at 40 g / ac (4.94 %) with a percent reduction of 31.52 %, and among the botanical treatments, garlic and chilli extract at 5 % recorded the lower damage of 5.63 % with a percent reduction of 21.95 %. Case worm (Parapoynx stagnalis) mean leaf damage was low in novaluron 10 EC at 400 ml/ac with a percent reduction of 50.36%. Garlic and chilli extract recorded the lower damage of 4.85% with a percent reduction of 41.99%. The green leafhopper (Nephotettix virescens) and brown planthopper (Nilaparvata lugens) populations were low in thiamethoxam 25 WG at 40 g/ac with a percent reduction of 59.34 and 68.72 % followed by five leaf extract, with a reduction of 44.04 and 50.19 % compared to the untreated check.
Source: Madras Agricultural Journal
Authors: NISHANTHINI K, KANDIBANE M
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: diamond
OpenAlex ID: W4412636002