Author(s):

Manish Kumar Yadav, Dr. Arbind Kumar Rai, Dr. Manoj Kumar, Dr. Mukesh Kumar Singh, and Dr. Nagendra Kumar

Abstract: A research has been conducted during Kharif of the year 2018 and 2019 at research farm of Dr Rajendra Prasad Central Agricultural University Pusa, Samastipur to find out the effect of infestation of Chilo partellus on height of different genotypes of maize. For the assessment, a total number of 25 genotypes namely hybrids viz., Shaktiman-1, Shaktiman-2, Shaktiman-3, Shaktiman-4, Shaktiman-5, RHM-1, RHM-2, RHM-3, P-3535, P-3533, P-3550, P-3555, Dekalb-9188, Dekalb-9170, composite namely Devaki, Laxmi, Suwan, Deep Jwala and promising genotypes namely New Cross 76×11, New Cross 72×70, New Cross 73×11, New Cross 73×74, New Cross 52×65, New Cross 53×52 and New Cross 50×58 were assessed for the reduction in height after artificial infestation. The result revealed that genotypes, namely P-3533 with 8.38 cm followed by DeKalb 9170 with 8.25 and Shaktiman-4 with 6.63 cm of height reduction showed maximum reduction in height while minimum height reduction was recorded in P-3555; Shaktiman-3 with 0.00 cm followed by RHM-1 with 1.01 cm and P-3550; Lakshmi (Resistant, Check) with 1.25 and found at par with each other.

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