Screening of Popular Maize Hybrids against fall Armyworm, Spodoptera frugiperda

Darshan R *

Department of Agricultural Entomology, College of Agriculture, Dharwad, India.

Prasanna P M

Department of Agricultural Entomology, College of Agriculture, Hanumanamatti, India.

Jayalaxmi Narayan Hegde

Department of Entomology, Keladi Shivappa Nayaka University of Agricultural and Horticultural Sciences, Shivamogga, India.

*Author to whom correspondence should be addressed.


Fall armyworm (Spodoptera frugiperda) was the member of noctuidae family which has got economic importance as polyphagous and extreme pest of many important crops, including maize in India and elsewhere. In this context, screening experiment was conducted by using 15 different maize cultivars viz., CP 818, NK 6240, GPMH 1110, GH 0727, 900 M Gold, NK 6801, SM- 2, S- 4717, GK 3207, KMH 225, KMH 8333, Sunny NMH 777, 30 B07, PMH 2244 and Kaveri minchu in MARS, Dharwad. The results revealed that PMH 2244 was recorded the least mean larval load (0.67 larvae per plant) compared to rest of the cultivars. Among fifteen different cultivars screened, Kaveri minchu recorded the highest mean leaf damage score (4.62) whereas, the hybrid PMH 224 recorded the least mean leaf damage score (0.73). The cultivars, PMH 2244, NK 6801 and 900 M Gold were recorded with the least egg mass (0.33 per plant) whereas, the hybrids SM- 2 and Kaveri minchu were recorded with the highest egg mass of 0.63 and 0.61 per plant, respectively. Biophysical parameters of plant such as plant height, leaf area, stem girth and trichome density have been implicated in maize resistance to the fall armyworm. All the plant characters except leaf area which are mentioned above showed significant negative correlation with fall armyworm infestation whereas, leaf area was found significantly positive correlation.

Keywords: Screening, fall armyworm, cultivars, biophysical parameters, maize

How to Cite

Darshan R, Prasanna P M, & Hegde , J. N. (2024). Screening of Popular Maize Hybrids against fall Armyworm, Spodoptera frugiperda. Journal of Experimental Agriculture International, 46(5), 306–312.


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