Abstract
Insect pests pose major menace to the rice production and amongst these stem borer Scirpophaga incertulas (Walker) and rice leaf folder Cnaphalocrocis medinalis (Guen.) are important and cause enormous yield losses. This study evaluates the efficacy of newer insecticide, Takumi 20WG (flubendiamide 20%) against these, compared with checks, Fame 480SC (flubendiamide 39.35%) and Coragen 18.5SC (chlorantraniliprole 18.5%). The insecticides were applied on economic threshold basis (ETL) for stem borers (2% deadhearts on basmati and 5% deadhearts on non-basmati) and/or leaf folders (10% damaged leaves) in randomized block design. The results revealed that Takumi 20WG @ 125 g/ ha was statistically at par with the checks, Fame 480SC and Coragen 18.5SC but significantly superior to its lower dosages of 100 and 75 g/ ha.
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