SERANGAN PENYAKIT EMBUN TEPUNG DAN KARAT DAUN PADA Acacia auriculiformis A. Cunn. Ex Benth. DI KEDIRI, JAWA TIMUR

Anggraeni, Illa; Wibowo, Ari

doi:10.20886/jphka.2006.3.1.45-53

Cited by 3 publications

(4 citation statements)

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“…Relative humidity in the nursery ranged from 68%-72% with a minimum average temperature of 29℃ and a maximum average temperature of 32℃. Anggraeni and Wibowo [30] stated that the development of disease pathogens from the fungi group will experience conidium germination and infection in the temperature range of 20℃-25℃, so temperatures above 30℃ can inhibit the development of fungi. The average intensity of attack by pathogens causing leaf diseases on nutmeg seedlings as a whole was 6.52% with a light damage category.…”

Section: Types Of Plant Leaf Disease and Pathogenic Fungimentioning

confidence: 99%

“…Routine cleaning of the nursery blocks can inhibit the development of disease inoculum. The disease is strongly influenced by plant resistance factors, the number of pathogens, the virulence of pathogens, the suitability of environmental conditions for pathogen development and the duration of suitable conditions for pathogens pathogens [29,30].…”

Section: Types Of Plant Leaf Disease and Pathogenic Fungimentioning

confidence: 99%

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Fungal Pathogen Prevalence in Myristica fragrans Houtt. (Nutmeg) Nurseries: Insights from Central Sulawesi, Indonesia

Zulkaidhah,

Wardah,

Rukmi

et al. 2024

IJDNE

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The Nutmeg tree (Myristica fragrans Houtt.) serves as a Multi-Purpose Tree Species (MPTS) in high demand due to its multitude of applications. Despite its potential, Indonesia's nutmeg productivity lags behind the global average, with a yield of only 98.9 kg per hectare. Among the various impediments to productivity, the limited expertise of local farmers in nutmeg cultivation and the prevalence of leaf diseases in nutmeg seedlings in nurseries are paramount. Leaf diseases can be lethal to the seedlings and significantly impact their quality, which, in turn, affects the growth and productivity of the mature plants. This study was conducted to assess the prevalence of leaf diseases in nutmeg nurseries and identify the causal pathogens. The average percentage of damage across all disease types was found to be as follows: leaf spot (3.95%), leaf blight (4.42%), leaf rust (7.27%), and powdery mildew (1.025%). Pathogenic fungi were identified as the causative agents, with Nigrospora sp. causing leaf spot, Rhizoctonia sp. causing leaf blight, Oidium tingitanium causing powdery mildew, and Pestalotia sp. causing leaf rust. The overall average intensity of pathogen attack was 6.52%, classified in the mild damage category. Our findings suggest that fungal pathogens predominantly cause leaf diseases in nutmeg seedlings. Therefore, effective microclimate management strategies should be adopted to mitigate the impacts of these diseases in nutmeg nurseries.

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Section: Types Of Plant Leaf Disease and Pathogenic Fungimentioning

confidence: 99%

Section: Types Of Plant Leaf Disease and Pathogenic Fungimentioning

confidence: 99%

Fungal Pathogen Prevalence in Myristica fragrans Houtt. (Nutmeg) Nurseries: Insights from Central Sulawesi, Indonesia

Zulkaidhah,

Wardah,

Rukmi

et al. 2024

IJDNE

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“…Penyakit karat dan embun tepung cukup sering ditemukan pada tanaman-tanaman hutan. Anggraeni & Wibowo (2006) melaporkan bahwa penyakit karat dan embun tepung menyerang tanaman akasia secara bersamaan. Meski demikian jenis patogen penyebabnya berbeda.…”

Section: Analisisunclassified

Inventarisasi Serangan Hama Dan Penyakit Pada Terubusan Pohon Jati Unggul Nusantara

Karmanah

Rizki²,

Sunardi³

2022

JAT

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Jati Unggul Nusantara (JUN) (Tectona grandis L.f.) banyak diminati karena memiliki masa panen yang singkat. Dibalik keunggulan itu JUN memiliki sifat kayu yang kurang stabil. Kondisi tersebut dapat diperparah oleh serangan hama dan penyakit yang bersumber dari vegetasi yang telah ada sebelumnya. Sisa vegetasi di suatu pertanaman dapat menjadi penghubung bagi siklus kehidupan hama dan penyakit. Di kebun percobaan Universitas Nusa Bangsa (UNB) terdapat tunggul JUN yang dibiarkan tumbuh menjadi tegakan baru (terubusan). Tujuan dari penelitian ini adalah menginventarisasi hama dan penyakit pada daun terubusan JUN melalui pengamatan gejala kerusakan daun. Penelitian ini dilakukan pada bulan April – Juli 2021 di Kebun Percobaan UNB, Desa Cogreg, Kabupaten Bogor. Sampel pohon ditentukan dengan metode transek sepanjang 160 m. Pengamatan sampel daun dilakukan dengan cara dipetik kemudian diamati jenis dan luas tutupan gejalanya. Luas tutupan kerusakan pada daun tersebut diamati dengan bantuan bidang ukur berbahan mika plastik berukuran 20 x 20 cm. Hasil penelitian menujukkan 666 (86%) helai daun bergejala serangan hama dan/atau penyakit. Sebagian besar kerusakan ditimbulkan oleh penyakit daripada hama. Serangan penyakit yang ditemukan antara lain hawar, shot-hole, karat, embun tepung, karat, dan klorosis. Adapaun gejela serangan hama yang ditemukan yaitu defoliasi, leaf-miner, skeletonize, dan lekukan. Gejala hawar, shot-hole, dan defoliasi merupakan gejala yang paling sering ditemukan. Sementara itu, nilai keparahan tertinggi didapatkan pada gejala embun tepung, hawar, dan karat daun.

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“…Salah satu permasalahan dalam budidaya A. auriculiformis adalah adanya serangan penyakit, sejak di persemaian sampai tingkat dewasa (Anggraeni & Wibowo, 2006). Adanya serangan penyakit ini dapat menimbulkan permasalahan karena dapat menyebabkan kerugian secara ekonomi.…”

Section: Pendahuluanunclassified

INVENTARISASI DAN IDENTIFIKASI PENYEBAB PENYAKIT PADA Acacia auriculiformis DI YOGYAKARTA

Hidayati¹,

Hendrati²

2018

JPTH

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Acacia auriculiformis is a fast growing species mostly planted in marginal lands with less intensive in cultivation. Problems found on A. auriculiformis cultivation include disease attacks which then caused a significant economic reduction on the plantation. The aim of this study is to determine causes, intensity and severity of the diseases attacking A. auriculiformis plants. The research was conducted on two observation plots, in the nursery and in clonal bank area established in Yogyakarta. Genetic materials planted in the plots were collected from clonally propagated of trees selected in second generation progeny trial of A. auriculiformis established in Wonogiri, Central Java. Observations of disease signs and symptoms in the two plots were undertaken with 100% plants inventories in rainy and dry seasons. Postulate Koch was then performed on this study to identify the pathogens. The result showed that the powdery mildew caused by Oidium sp. is a dominant disease attacking 100% A. auriculiformis both in the nursery and on clonal bank areas, occurring not only during the rainy season but also during the dry season. There were also other diseases attacking A. auriculiformis namely black mildew caused by Meliola sp, leaf spot disease caused by Phomopsis sp. and root rot disease caused by Ganoderma steyaertanum.

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SERANGAN PENYAKIT EMBUN TEPUNG DAN KARAT DAUN PADA Acacia auriculiformis A. Cunn. Ex Benth. DI KEDIRI, JAWA TIMUR

Cited by 3 publications

References 0 publications

Fungal Pathogen Prevalence in Myristica fragrans Houtt. (Nutmeg) Nurseries: Insights from Central Sulawesi, Indonesia

Fungal Pathogen Prevalence in Myristica fragrans Houtt. (Nutmeg) Nurseries: Insights from Central Sulawesi, Indonesia

Inventarisasi Serangan Hama Dan Penyakit Pada Terubusan Pohon Jati Unggul Nusantara

INVENTARISASI DAN IDENTIFIKASI PENYEBAB PENYAKIT PADA Acacia auriculiformis DI YOGYAKARTA

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