Efficacy of acetamiprid 2% granule against diamondback moth on [Plutella xylostella] cabbage [Brassica oleracea capitata] by various application methods
1999
Takahashi, H. (Nippon Soda Co. Ltd., Odawara, Kanagawa (Japan)) | Mitsui, J. | Yano, M. | Take, T. | Yamada, T.
In the previous report, it was reported that the controlled-release formulation of acetamiprid exhibited excellent efficacy in planting hole application and nursery box application against the diamondback moth on cabbage. For the purpose of finding out the more practical, effective usage in soil application for acetamiprid 2% granule, various treating methods were investigated. As a result of the trials, it was confirmed that the order of efficacy was as followed: planting hole application 1 g/plant nearly equal nursery box application 1 g/plant plant foot application I g/plant, and planting hole application I g/plant nearly equal row application 6 kg/10 a nearly equal overall-ridge application l2 kg/10 a. In the planting hole application, there was no difference in the efficacy between the leaf stages of seedlings as far as the comparison between 2- and 4-leaf stage, and little difference in the efficacy of planting hole application between cell-raised seedlings and bare-root ones
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