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All Journal AGROEKOTEKNOLOGI
ricky arbiansyah
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry

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Preferences Test of Brown Lady Bug Riptortus linearis Fabr. (Hemiptera : Alydidae) on Soybeans (Glycine max L.), Greenbeans (Vigna radiata L.) and Orok-orok (Crotolaria pallida Aiton.) in Screenhouse ricky arbiansyah; Marheni Sembiring; Fatimah Zahara
Jurnal Agroekoteknologi Vol 4, No 4 (2016)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (346.567 KB) | DOI: 10.32734/jaet.v4i4.13578

Abstract

The objective of the research was to know the preferences food of brown lady bug               (R. linearis) on the pod of soybeans, greenbeans and orok-orok in Screenhouse. This research was conducted in Pest Laboratory and Screenhouse of the Agriculture Faculty, University of Sumatera Utara (±25 m asl) from March until August 2015. This research was using non-factorial Randomized Block Design with 3 treatments, which are  soybeans, greenbeans and orok-orok with 9 replications. The result of this research showed that the pest R.linearis higher attacks on soybeans than greanbeans and orok-orok. The highest result in imago population of R. linearis was showed on soybeans (7.00), then on greenbeans (3.78), and orok-orok (1.22). The highest result in attacked pod percentage of R. linearis was showed on soybeans (81.88%), greenbeans (57.24%), and orok-orok (20.76%).
Co-Authors Fatimah Zahara Marheni Sembiring