Field Evaluation of Sweet Potato Genotypes for Resistance to Cylas formicarius

Authors

  • Vadde Mounika Department of Vegetable Science, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh
  • Chandra Deo Department of Vegetable Science, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh
  • Siddhartha Singh Department of Basic Sciences and Humanities, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh
  • Ajaykumara K. M. Department of Plant Protection, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh
  • P. Raja Department of Plant Protection, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh
  • Arwankie Shadap Department of Vegetable Science, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh
  • Nimbolkar Prasanth Kisan Department of Fruit Science, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh
  • Talamarla Yeswanth Mahidar Gowd Department of Vegetable Science, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh
  • Andoinam Bidyalaxmi Devi Department of Vegetable Science, College of Horticulture and Forestry, Central Agricultural University (Imphal), Pasighat, Arunachal Pradesh

DOI:

https://doi.org/10.55446/IJE.2024.1940

Keywords:

Cylas formicarius, sweet potato genotypes, tuber and vine incidence, latex, grass hopper, northeast India, correlation

Abstract

Sweet potato weevil Cylas formicarius is a major insect pest in Siang valley of Arunachal Pradesh which inflicts damage on the leaves, vines, and tubers as part of their normal feeding and survival habit. The study was conducted to evaluate 29 local genotypes of Northeast India, along with two commercial cultivars, Sree Bhadra and ST-14, for their relative susceptibility to pest. Sweet potato weevil and grasshopper incidence on the vines were lowest in CHFSP-10, while thrips infestations was lowest in CHFSP-07. In terms of tuber incidence, the genotypes CHFSP-10, CHFSP-14and CHFSP-15 performed better against C. formicarius. The substantially decreased sensitivity of CHFSP-10, CHFSP-14 and CHFSP-15 to sweet potato weevil indicates the feasibility of using them in varietal development to improve breeding programmes.

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Published

2024-06-04

How to Cite

Mounika, V., Deo, C., Singh, S., K. M., A., Raja, P., Shadap, A., … Devi, A. B. (2024). Field Evaluation of Sweet Potato Genotypes for Resistance to <i>Cylas formicarius</i>. Indian Journal of Entomology, 1–4. https://doi.org/10.55446/IJE.2024.1940

Issue

Online First

Section

Research Communications
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Scopus
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Europe PMC

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