Effects of Insect Screen Net on Insect Pest Control for Jujube
2017
Lee, S.K., Chungcheongbuk-do Agricultural Research and Extension Services, Cheongju, Republic of Korea | Lee, K.H., Chungcheongbuk-do Agricultural Research and Extension Services, Cheongju, Republic of Korea | Oh, H.K., Chungcheongbuk-do Agricultural Research and Extension Services, Cheongju, Republic of Korea | Lee, J.W., Chungcheongbuk-do Agricultural Research and Extension Services, Cheongju, Republic of Korea | Kim, C.W., Chungcheongbuk-do Agricultural Research and Extension Services, Cheongju, Republic of Korea | Kang, H.J., Chungcheongbuk-do Agricultural Research and Extension Services, Cheongju, Republic of Korea | Kim, S.H., Chungcheongbuk-do Agricultural Research and Extension Services, Cheongju, Republic of Korea
In recent years, not only the cultivation area of Jujube in Korea but also the number of pest species has increased. The farmers farming environmentally friendly are in great difficulty because there are no effective control devices. This study was conducted to investigate the control effect of the insect screen net on three pest species (Apolygus spinolae, Dasineura sp. and Carposina sasakii) in Jujube orchard when the pests were blocked by insect screen net. For the first and second surveys, the damage rates by A. spinolae were 9.06, 13.95% in 50 mesh, 4.75, 10.17% in 25 mesh, 5.68, 11.84% in 18mesh mesh of insect screen net and 21.6, 36.34% in untreated insect screen net, respectively. The damage rates by Dasineura sp. were 0.54, 0.13% in 50 mesh, 0.93, 2.84% in 25 mesh, 1.05, 13.45% in 18 mesh mesh of insect screen net and 11.1, 26.65% in untreated insect screen net. Carposina sasakii were completely blocked in all the treatments. Damages on Jujube were not observed by insect screen net. Therefore, insect screen net is effective on insect pest control for Jujube.
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