| 옥수수 재배지의 벼검은줄오갈병 매개충인 애멸구의 보독충율 |
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이봉춘, 정지훈, 김정인, 윤영남, 홍성준, 곽도연, 홍연규, 강항원, 이기운 |
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| Viruliferous Rate of the Small Brown Planthopper in the Maize Field Infected with Rice black-streaked dwarf virus |
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Bong Choon Lee, Ji Hun Jung, Jung In Kim, Young Nam Yoon, Sung Jun Hong, Do Yeon Kwak, Yeon Kyu Hong, Hwang Won Kang, Key Woon Lee |
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| Abstract |
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The Rice black-streaked dwarf virus (RBSDV) infected 99-100% of a 1000 m2-maize field in Mungyeong City in 2007. Adjacent to the area is a Persimmon orchard where barley crops were grown under the trees as green manure crops and for soil amendments. The barley acted as winter host to the small brown plant hoppers (SBPH) enabling the insects to survive and pass the winter season. The existence of RBSDV was detected and confirmed by RT-PCR using S9 specific primer. Samples of the insect vector SBPH were collected in the area on May 3, June 7 and, August 4 and the results of the RT-PCR analysis revealed viruliferous insect rates of 2.9, 4.8, and 4.4%, respectively. These observed viruliferous insect rates were similar with those detected in RBSDV infected rice fields. |
| Key Words:
Rice black-streaked dwarf virus, Maize, Viruliferous insect rate |
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