Inventarisasi Hama dan Penyakit pada Berbagai Varietas Tanaman Kentang di Ketinggian 700 MDPL dengan dan Tanpa Naungan

Abstract

Potatoes is a 3rd important food crop for consumption for humans commonly cultivated in the highlands. But in practice the cultivation of potato production decreased caused by disturbance of plant pest organism (OPT). The purpose of this study is to determine the type and population of pests and diseases attacking potato plants on medium plains with and without shade. This research was carried out in the village of stones, sibolangit sub district, deli serdang district with an altitude of 700 mdpl, with flat topography of alluvial soil type. The study was conducted from October 2014 to January 2015. With the results of the study (1) the shade treatment did not affect the pest attack but influenced the disease attack on some plants (2) found bemo beetle (Epilachna sp) caterpillar (Chrysodeixis sp) Leaf Blight (Pythoptora infestans) as well as Bacteria Bacteria disease (Rastonia solanacearum) (3) medan kulitvar is susceptible to bemo beetle attack (Epilachna sp) (4) maglia cultivars are susceptible to leaf blight (Pythoptora infestans) and bacterial wilt ( Rastonia solanacearum) and amabile and kastanum are cultivars that are quite resistant to pest and disease attacks in the medium plains.