EFEKTIVITAS Trichoderma sp. METABOLIK DAN Pseudomonas fluorescens TERHADAP PENYAKIT BUSUK LUNAK PADA TANAMAN KOL BUNGA (Brassica oleracea var. Botrytis L.)

Abstract

ABSTRACT
The purpose of this study is to see Efektivitas Microorganisms antagonists Trichoderma sp.
Metabolic and Pseudomonas fluorescens against Rot Disease on Plant Cauliflower for 4 months,
namely from March to June 2016 in the Village Paslaten District of Tomohon East and in the
Laboratory of Microbiology and Plant Pathology, Faculty of Agriculture, University of Sam
Ratulangi Manado. Research in the laboratory to observe microscopically cause soft rot cauliflower
plants.This research was conducted using the method of randomized block design with 3 treatments,
treatment A control without application of microorganisms antagonistic, treatment B with
application of microorganisms antagonistic Trichoderma sp. metabolic, and treatment C with
application of microorganisms P. fluorencens. this treatment is repeated 10 times. With ratings
plants infected with the disease formula presentation. The variables measured were presenting the
number of infected leaves and cauliflower infected.The results showed that of some microorganism
used, the most effective at controlling soft rot disease on a cauliflower is Pseudomonas fluorencens
observation with the end result obtained was 30%, followed by Trichodermasp. metabolic 40%.
Treatment antagonistic microorganisms is also seen to be effective in inhibiting disease infection on
the leaves of the plant before the formation of flowers.
Kata kunci :Efektivitas, Cauliflower, Erwinia carotovora, Pseudomonas fluorescens, Trichoderma
sp. Metabolic.