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학술저널
저자정보
Sung-Dug Oh (Rural Development Administration) Eun Ji Bae (Rural Development Administration) Kijong Lee (Rural Development Administration) Soo-Yun Park (Rural Development Administration) Myung-Ho Lim (Rural Development Administration) Doh-Won Yun (Rural Development Administration) Seong-Kon Lee (Rural Development Administration) Gang-Seob Lee (Rural Development Administration) Soon Ki Park (Kyungpook National University) Jae Kwang Kim (Rural Development Administration) Sang Jae Suh (Kyungpook National University)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.49 No.3
발행연도
2022.9
수록면
511 - 520 (10page)

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Insect-resistant transgenic rice (Bt-T) expresses a toxic protein (mcry1Ac1) derived from the soil bacterium Bacillus thuringiensis found in the rice cultivar Dongjin with an insecticidal property against rice leaf roller (Cnaphalocrocis medinalis ). In this study, to investigate the impact of Bt-T on non-target organisms, the feed and oviposition preferences and biological parameters of brown planthopper (Nilaparvata lugens Stål) were comparatively analyzed in four rice cultivars: Dongjin (parent variety), Ilmi (reference cultivar), Chinnong (brown planthopper resistant cultivar) and Bt-T. In the Bt-T and Dongjin cultivars, the feed preferences were 32.4 ± 8.3 and 34.1 ± 6.8%, and the oviposition preferences were 32.5 ± 5.1 and 30.0 ± 5.3% respectively, and there was no statistical significance between these rices. Additionally, in the Bt-T and Dongjin cultivars, the total lifespans from egg to adult were 39.5 ± 6.9 and 40.0 ± 5.8 days, and the weights of adult females were 1.78 ± 0.14 and 1.72 ± 0.16 mg, respectively. Therefore, there was no statistical difference in the biological parameters between these two varieties. Overall, the results indicate that the insect-resistant transgenic rice (Bt-T) did not negatively affect the reproduction and life cycle of brown planthopper, a non-target organism.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References

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