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INVENTARISASI JAMUR PATOGEN TULAR-BENIH PADA LIMA VARIETAS PADI
Authors: Sifa Sobianti, Loekas Soesanto, Suciati Hadi
Number of views: 588
This research aimed to know (1) various species of seed-borne pathogenic fungi in five paddy varieties, and (2) germination percentage of five paddy varieties. The research was conducted at the Laboratory of Class I Agricultural Quarantine Institute Semarang, from March until May 2019. This research used completely Randomized Design with five treatments and five replicates. The treatments were Inpago Unsoed 1, Inpago Unsoed Parimas, IR64, Ciherang, and Situ Bagendit varieties. Isolation and identification of seed-borne pathogenic fungi was carried out on blotter test and PDA observed under stereo and compound microscope, then compared to literatures. Variables observed were pathogenic colonies morphology, fungal pathogen morphology, and germination percentage. Result of the research showed that (1) in all varieties of paddy seeds there are seed-borne pathogenic fungi, but not all fungi are found in each variety. Various type of seed-borne pathogenic fungi found were Alternaria padwickii Ganguly, Aspergillus flavus Link, Aspergillus niger van Tieghem, Curvularia lunata (Wakker) Boedjin, Curvularia pallescens Boedjin, Drechslera oryzae Breda de Haan, Fusarium semitectum Berk. & Rav. [W&R, G,B,J], Rhizoctonia solani J. G. Kuhn, Rhizopus oryzae Went & Prins. Geerl., dan Tilletia barclayana Bref., and (2) every paddy variety differed seed germination percentage. The germination percentage was found from IR64 to Ciherang, Inpago Unsoed 1, Inpago Unsoed Parimas, and Situ Bagendit as 85.75, 81.75, 80.25, 76.5, and 70%, respectively.