Kewaspadaan Terhadap Penyakit Busuk Akar dan Pangkal Batang Serta Prinsip Pengendaliannya pada Tanaman Jeruk

(Alertness of Citrus Root Rot and Stem Rot Disease and It’s Controlling Principle on Citrus Plant)

Prosiding Seminar Nasional Jeruk 2007, Yogyakarta, 13 – 14 Juni 2007, hal. 377-387

Mutia Erti Dwiastuti
Balai Penelitian Tanaman Jeruk Dan Buah Subtropika

Abstrak
Kewaspadaan terhadap penyakit busuk akar dan pangkal batang pada tanaman jeruk dianjurkan karena penyakit ini dapat mengakibatkan kematian. Tercatat ada 4 penyebab penyakit busuk akar dan pangkal batang yang menyerang tanaman jeruk yaitu Phytophthora spp, Armillaria mellea, Phymatotrichum omnivora dan Rosellinia spp, tetapi 2 patogen terakhir belum pernah ditemukan di Indonesia. Prinsip pengendalian meliputi monitoring, pengendalian secara kultur teknis (pengelolaan kebun jeruk sehat, pengaturan drainase, mulsa dan pemupukan organik) penggunaan varietas tahan, pengendalian ramah lingkungan (agens hayati, bahan nabati dan bahan generik) serta fungisida. Strategi pengendalian yang diterapkan disesuaikan dengan siklus penyakit, kondisi lingkungan dan kondisi tanaman jeruk.
Kata kunci : Citrus Sp, Phytophthora spp, Armillaria mellea, Phymatotrichum omnivora, Rosellinia spp.

Abstract
Alertness of citrus root rot and stem rot diseases are highly recommended because the diseases cause death. The diseases caused by Phytophthora spp, Armillaria mellea, Phymatotrichum omnivora and Rosellinia spp, but the last two have never been found in Indonesia yet. The principle of the diseases control include monitoring, technically control (citrus plantation management, drainage arrangement, mulch and organic fertilizer usage), resistance varieties usage and environment friendly control (natural enemies, bio components, generic ingredients), and also fungicide. The strategies applied for the diseases control were adjusted to the disease cycles, citrus plant and plantation condition.
Keywords : Citrus Sp, Phytophthora spp, Armillaria mellea, Phymatotrichum omnivora, Rosellinia spp.

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