Kajian Pemberian Stretomyces Spp Terhadap Perkembangan Gejala Penyakit Layu Fusarium Pada Tanaman Melon (Cucumis Melo L.)

Abstract

In the century, chemistry method often was done to control fusarium wilt deseases in
Melo (Rukmana dan Saputra 1997). It has negative effect to the environment (Novizar, 2002). Once of
the control method that is often been researche is antagonis microorganism using and streeptomyces is
biological agens which is in actinomycetes group. Fusarium fungi can survive many years as
Clamidospora in the soil (Semangun 1994 and Kranz 1977). Appearing wilt symptom caused by
Fusarium infection in parenchym of the bottom stemp. Using of Streeptomyces as biological agens
can control spreading of Fusarium wilt symptom.
The aim of the research was to know optimum dosage of streeptomyces givedto fusarium wilt
symptom in melo plant (Cucumis melo L.). The research had been done for six months, December
2006 until May 2007 at experimental land of UPN “Veteran” East Java. Completely Randomize
design was used. The Treatment was streeptomyces dosage consist of 2 gr/3 Kg soil. 4 gr/3 Kg, 6
gr/3kg, 8 gr/3kg, 10 gr/3 Kg, and every treatment was done five times. Streptomyces isolation was
taken from 5 – 15 Cm deep soil of Wajak – Tulungagung.Observation was done once time a week to
Wilt leaf Symtom and discoloration length of steem.Based of the observation, The Conclution is 6 gr
Streeptomyces/3 Kg soil more effective than the other dosage of streeptomyces gived.