Komponen epidemi penyakit antraknosa pada tanaman cabai di kecamatan baturaden kabupaten Banyumas


Nur Prihatiningsih(1*), Heru Adi Djatmiko(2), Erminawati Erminawati(3)

(1) Fakultas Pertanian Unsoed Purwokerto, Indonesia
(2) ,  
(3) ,  
(*) Corresponding Author

Abstract


Penyakit antraknosa merupakan penyakit utama pada tanaman cabai yang dapat menyebabkan kegagalan panen dan kerugian mencapai 80 %. Tujuan penelitian untuk menilai perkembangan penyakit antraknosa cabai di Kecamatan Baturraden, menguji pengaruh  komponen epideminya terhadap pertumbuhan jamur Colletotrichum gloeosporioides dan penekanan penyakit pada buah cabai. Metode penelitian yang digunakan adalah survey dengan pengambilan sampel secara purposive random sampling di empat desa di Kecamatan Baturraden Kabupaten Banyumas. Pengujian pengaruh komponen epidemi dilakukan di Laboratorium Perlindungan Tanaman Faperta Unsoed dengan menumbuhkan jamur C. gloeosporioides pada beberapa suhu dan menguji penekanan penyakit pada buah cabai.  Rancangan yang digunakan adalah Rancangan Acak Lengkap. Variabel pengamatan yaitu intensitas penyakit, laju infeksi, kecepatan pertumbuhan jamur, persentase penghambatan pertumbuhan jamur dan penekanan penyakit pada buah cabai. Hasil penelitian menunjukkan bahwa penyakit antraknosa di desa Kemutug Lor menunjukkan intensitas penyakit tertinggi yaitu 76% dengan laju infeksi 0,345 unit/hari.  Suhu optimum yang mendukung  pertumbuhan C. gloeosporioides yaitu 29oC, dengan kecepatan pertumbuhan 14,72 mm.hari-1. Pertumbuhan C. gloeosporioides dihambat oleh bakteri endofit cabai BE2 sebesar 78,6%.  Bakteri endofit cabai dapat menekan penyakit antraknosa pada buah cabai dengan efektivitas 30,93%.

 

Anthracnose is the main disease in chili that can cause crop failure and losses up to 80%. The aim of the study was to assess the development of chili anthracnose in the Baturraden district, to examine the effect of its epidemic components on the growth of Colletotrichum gloeosporioides, and suppression of anthracnose. The research method used was a survey with purposive random sampling in four villages in Baturraden district, Banyumas Regency. Testing the effect of epidemic components was carried out in Plant Protection Laboratory, Faculty of Agriculture Unsoed by growing the C. gloeosporioides at several temperatures, and testing the disease suppression of chilies with chili endophytic bacteria. The design used was a Completely Randomized Design. The variables observed were disease intensity, infection rate, fungal growth rate, percentage of inhibition of fungal growth, and disease suppression in chilies. The results showed that chili anthracnose in the village of Kemutug  Lor showed the highest intensity of 76% with an infection rate of 0,345 units per day. The optimum temperature that supported the growth of C. gloeosporioides was 29oC with a growth rate of 14,72 mm day-1. Growth of C. gloeosporioides was inhibited by endophytic bacteria BE2 chili by 78,6%. Chili endophytic bacteria could suppress anthracnose in chilies by 30,93% effectivity.


Keywords


antraknosa, cabai, epidemi, penilaian penyakit

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DOI: https://doi.org/10.15575/8000

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