ATTACK OF THE STEM BORING PEST Ostrinia furnacalis Guenee (LEPIDOPTERA: PYRALIDAE) ON SWEET CORN PLANTS (Zea mays saccharata [Sturt.] Bailey)

  • I Made Sudarma Lecturer staff of Agroecotechnology Study Program, Faculty of Agriculture, Udayana University, JL. PB. Sudirman Denpasar-Bali
  • Ni Nengah Darmiati Lecturer staff of Agroecotechnology Study Program, Faculty of Agriculture, Udayana University, JL. PB. Sudirman Denpasar-Bali
  • Dewa Ngurah Suprapta Lecturer staff of Agroecotechnology Study Program, Faculty of Agriculture, Udayana University, JL. PB. Sudirman Denpasar-Bali
DOI: https://doi.org/10.5281/zenodo.15721090
Keywords: Stem borer, natural enemies, percentage of attacks, population dynamics, correlation and; regression

Abstract

Sweet corn (Z. mays saccharata) is widely cultivated around Denpasar City, Bali as a food and vegetable, but the main obstacle to sweet corn cultivation is the attack of stem borers (O. furnacalis). The results of the study showed that the percentage of corn stem borer attacks ranged from 5% to 28%. The number of natural enemies showed 4.13 to 6.26 individuals. The dynamics of the corn stem borer pest population showed a range from 0.09 to 0.23. The relationship between temperature and the population of corn stem borer pests is significantly positive with a correlation coefficient of r = 0.87 (R2 = 0.73), with the regression equation Y1 = 24.097 + 0.190X1 (Y1 = population of stem borers and X1 = temperature). The relationship between stem borers and humidity has a very significant effect with a coefficient (r) = 0.94 (R2 = 0.89), with the regression equation Y1 = -182.815 + 2.729 X2 (X2 = humidity). The relationship between temperature and the population of natural enemies has a significant positive effect with a coefficient of r = 0.853 (R2 = 0.73) with the regression equation Y2 = 21.37 + 0.9367X1 (Y2 = population of natural enemies).

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Published
2025-06-23
How to Cite
Sudarma, I., Darmiati, N., & Suprapta, D. (2025). ATTACK OF THE STEM BORING PEST Ostrinia furnacalis Guenee (LEPIDOPTERA: PYRALIDAE) ON SWEET CORN PLANTS (Zea mays saccharata [Sturt.] Bailey). GPH-International Journal of Agriculture and Research, 8(05), 72-83. https://doi.org/10.5281/zenodo.15721090
Issue
Vol 8 No 05 (2025): GPH-International Journal of Agriculture and Research
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Articles
Copyright (c) 2025 GPH-International Journal of Agriculture and Research

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