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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2020, Vol. 8, Issue 4
Screening of maize genotypes against fall army worm, Spodoptera frugiperda (Smith) with reference to plant morphological characters at Raipur (Chhattisgarh)

Nandita Paul and Sonali Deole

The field experiment were conducted at Research Cum Instructional Farm at IGKV, Raipur (C.G.) during kharif 2018, to know the screening of maize genotypes against fall army worm, Spodoptera frugiperda (Smith) at Raipur (Chhattisgarh). Out of twenty five maize genotypes it was seen that, based on the basis of leaf damage rating, ear damage rating and kernel damage rating. DKC-9190 (2.36) genotype recorded minimum leaf damage. However, the genotype NK-30 (8.21) was on the crop with maximum leaf damage. The leaf damage rating showed non-significant correlation with total number of leaves/plant (r =0.368). While, Significant correlation was recorded with the leaf area (cm2) of the leaves (r = 0.442). Whereas, highly significant but negatively correlation with leaf trichomes (r = -0.609) at 45 DAS. While, Heera-1122 (1.91) genotype recorded minimum ear damage. Whereas, NMH-707 (5.91) genotype recorded with maximum ear damage on the crop. Ear damage rating showed significant correlation with length of central spike (r=-0.446). Among the twenty five cultivars NMH-707 (1.59) genotype recorded minimum kernel damage. While, LG-34.06 (4.31) genotype was recorded with maximum kernel damage on the crop. Whereas, kernel damage rating showed significant correlation with cob length (cm) (r=0.403). While, significant but negative correlation with height of the cob (cm) (r=-0.412).
Pages : 580-587 | 967 Views | 525 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Nandita Paul, Sonali Deole. Screening of maize genotypes against fall army worm, Spodoptera frugiperda (Smith) with reference to plant morphological characters at Raipur (Chhattisgarh). J Entomol Zool Stud 2020;8(4):580-587.

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