Comparison of growth, viability, sporulation, and virulence of Phytophthora capsici isolated from black pepper (Piper nigrum L.) on various media

Black pepper ( Piper nigrum L.) is an important agricultural crop in Indonesia. However, black pepper production in Indonesia is limited by plant pathogen infection, especially Phytophthora capsici , which causes Foot Rot in pepper plants. This pathogen contributes to a high decline in black pepper...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2024-02, Vol.1297 (1), p.12027
Main Authors: safitri, D, Banna, M Z A, Wiyono, S
Format: Article
Language:English
Subjects:
Foot rot
Inoculation
Leaves
Media
Optimization
Pathogens
Peppers
Phytophthora capsici
Piper nigrum
Sporulation
Vegetables
Viability
Virulence
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Summary:Black pepper ( Piper nigrum L.) is an important agricultural crop in Indonesia. However, black pepper production in Indonesia is limited by plant pathogen infection, especially Phytophthora capsici , which causes Foot Rot in pepper plants. This pathogen contributes to a high decline in black pepper productivity. This study aims to determine the proper media composition for P. capsici growth based on the mycelial growth, viability, sporulation, and virulence of P. capsici on pepper leaves. The media used in this study were potato dextrose agar (PDA), martin agar (MA), carrot agar (CA), water agar (WA), corn meal agar (CMA), soil extract agar (SEA), and vegetable 8 (V8). The results showed that CMA media was the most optimal medium for P. capsici growth, as indicated by the size of the mycelium with a diameter of 8.00 cm on the fifth day after inoculation. The viability of mycelium of P. capsici was best found on PDA, CMA, and V8 media. Meanwhile, the optimum sporulation and virulence of P. capsici occurred on SEA media, characterized by zoospore production of 5.42x106/ml and symptom areas on leaves of 18.61 cm2 and 16.69 cm 2 .
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1297/1/012027