Kelimpahan Populasi Kepinding Tanah (Scotinophara coarctata) dan Besarnya Kerusakan Pada Tanaman Padi (Oryza sativa) Fase Vegetatif

Abstract

The one of organisme important attacks the rice plant is bedbug (Scotinophara sp). The insect pests including the Famili Cimicidae and the Ordo Hemiptera. The insect pest began attacking from vegetative phase untill from its with indication empty grains. The research of population (Scotinophara coartata) and the rice plants (Oryza sativa) of do in the paddy area at Village Kampung Baru, Batang Kuis Sub District, Deli Serdang Regency in June untill August 2015. The research use method relative of observation at rice plants for knowing population and percentage damage. The researcehed result state more the increasing age plants the higher it's population individu. The reach population bed bug summit at the age 55 Day After Planted (DAP) as bigest 47 individu 39 sample plants that is after plant entering the generative phase population average trapped reach 30 individu 3 trap’s night. The species found in the research is spesies Scotinophara coartata and Scotinophara lurida. A bed bug started attking the rice plants after age 20 DAP and the intensity of damage higher there are the age 45 DAP as bigest 14,90%. weeds plants as alternate host in fields a genjer (Limnochars flava), cane (Saccarum officinarum), grass (Echinochloa craugalli)