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http://dx.doi.org/10.5423/RPD.2008.14.3.226

Viruliferous Rate of the Small Brown Planthopper in the Maize Field Infected with Rice black-streaked dwarf virus  

Lee, Bong-Choon (Department of Functional Crop, NICS, RDA)
Jung, Ji-Hun (Department of Functional Crop, NICS, RDA)
Kim, Jung-In (Department of Functional Crop, NICS, RDA)
Yoon, Young-Nam (Department of Functional Crop, NICS, RDA)
Hong, Sung-Jun (Department of Functional Crop, NICS, RDA)
Kwak, Do-Yeon (Department of Functional Crop, NICS, RDA)
Hong, Yeon-Kyu (Department of Functional Crop, NICS, RDA)
Kang, Hwang-Won (Department of Functional Crop, NICS, RDA)
Lee, Key-Woon (Kyungpook National University)
Publication Information
Research in Plant Disease / v.14, no.3, 2008 , pp. 226-228 More about this Journal
Abstract
The Rice black-streaked dwarf virus (RBSDV) infected 99-100% of a $1000\;m^2$-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.
Keywords
Rice black-streaked dwarf virus; Maize; Viruliferous insect rate;
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