Cultural, Morphological and Pathogenic Variability in Colletotrichum 
 capsici causing Die-back and Fruit Rot of Chilli

Masoodi, Lubna; Anwar, Ali; Ahmed, Shahzad; Sofi, T. A.

doi:10.3923/ajppaj.2013.29.41

Cited by 15 publications

(12 citation statements)

References 6 publications

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“…The anthracnose disease is caused by Colletotrichum species. Among various species implicated in causing anthracnose of chilli, C. capsici is the most important pathogen (Ushakiran et al, 2006;Anand et al, 2007;Ratanacherdchai et al, 2007;Than et al, 2008;Narasimhan and Shivakumar, 2012;Masoodi et al, 2013;Kambar et al, 2013). In the present study, we investigated antifungal effect of extracts of different parts of P. longifolia, G. glauca and A. lawii against C. capsici isolated from anthracnose of chilli by poisoned food technique.…”

Section: Discussionmentioning

confidence: 99%

Inhibitory Activity of Polyalthia longifolia, Anaphalis lawii and Gnidia glauca against Colletotrichum capsici and Urinary Tract Pathogens

Prashith¹,

Vivek²,

Junaid³

et al. 2014

Sci. Technol. Arts Res. J.

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Article InformationThe present study was conducted with an aim of determining inhibitory effect of extracts from different parts of Polyalthia longifolia (leaf, ripe and unripe pericarp), Anaphalis lawii (leaf and flower), Gnidia glauca (leaf, bark and flower) against Colletotrichum capsici and urinary tract pathogens. The shade dried plant materials were extracted using methanol. Antifungal effect of extracts was evaluated against Colletotrichum capsici isolated from anthracnose of chilli by Poisoned food technique. Antibacterial activity of extracts was determined against five antibiotic resistant bacteria isolated from urinary tract infections by Agar well diffusion assay. The extracts caused marked inhibition of mycelial growth of C. capsici as indicated by reduced diameter of fungal colonies on poisoned plates. Extracts of P. longifolia inhibited C. capsici to higher extent followed by A. lawii and G. glauca. All extracts from selected plants inhibited test bacteria but to varied extent. Susceptibility was higher in case of Gram positive when compared to Gram negative bacteria. Staphylococcus aureus and Escherichia coli were inhibited to higher extent among Gram positive and Gram negative bacteria respectively. Among plants, P. longifolia caused higher inhibition of test bacteria. The extracts from the selected plants can be considered as promising sources of bioactive agents which can be used to treat urinary tract infections caused by antibiotic resistant bacteria and to control anthracnose of chilli. Further studies are to be carried in order to isolate and characterize bioactive principles from extracts and to determine their inhibitory potential against C. capsici and uropathogens.

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Section: Discussionmentioning

confidence: 99%

Inhibitory Activity of Polyalthia longifolia, Anaphalis lawii and Gnidia glauca against Colletotrichum capsici and Urinary Tract Pathogens

Prashith¹,

Vivek²,

Junaid³

et al. 2014

Sci. Technol. Arts Res. J.

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“…Identification of Colletotrichum species based on morphological characteristics (size and shape of conidia; presence of setae) and colony characteristics is generally used by several workers [56][57][58][59]; it is widely used in seed health testing labs for detection of C. capsici in germplasm for pest free conservation of chilli seeds [21]. As the pathogen is seed-borne, there is threat of introduction of this pathogen along with import of germplasm (including Chilli) from different countries; therefore, while importing from any other country, there is a need to examine the samples very critically including sensitive molecular diagnostic tools to prevent entry of this pathogen associated with germplasm [60].…”

Section: Diagnosismentioning

confidence: 99%

Anthracnose of Chilli: Status, Diagnosis, and Management

Kiran¹,

Akhtar²,

Kumar³

et al. 2020

Capsicum

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Chilli (Capsicum annuum L.) is one of the most economically important vegetable crops in the world. Among different biotic constraints, anthracnose disease is the major limiting factor affecting yield and production of chilli crop. Different symptoms associated with disease are fruit rot, leaf spots, dieback on stem, seedling blight, or damping off. Many species of genus Colletotrichum are found associated with the disease worldwide. In India, primarily three important species, namely, Colletotrichum truncatum, C. acutatum, and C. gleosporoides, are responsible for the chilli anthracnose. Accurate identification of pathogen is needed for choosing the proper management strategy for controlling this disease. Both conventional and molecular methods are adapted along with different management strategies, recommended for this disease namely cultural, chemical, and other eco-friendly methods.

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“…This information is important for future studies, especially those aiming to design control measures and strategies, e.g., cultural practices, breeding programs, and application of fungicides (Wahab et al 2015;Widodo and Hidayat 2018). Successful execution of disease management programs, in addition to other factors, can be implemented depending on the understanding of the population structure of the pathogen and the mechanism by which variations arise within pathogen populations through detection of cultural and morphological characteristics (Ali et al 2013;Masoodi et al 2013).…”

Section: Number and Weight Of Sclerotiamentioning

confidence: 99%

Effect of photoperiod on the cultural morphology of Rhizoctonia solani isolates of maize from Yogyakarta and Central Java, Indonesia

Budiarti

Lukman²,

Sumardiyono

et al. 2019

Biodiversitas

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Abstract. Budiarti SW, Lukman R, Sumardiyono C, Wibowo A, Priyatmojo A. 2019. Effect of photoperiod on the cultural morphology of Rhizoctonia solani isolates of maize from Yogyakarta and Central Java, Indonesia. Biodiversitas 20: 2028-2038. Banded leaf and sheath blight (BLSB) caused by Rhizoctonia solani Kuhn is a significant constraint of maize production in Indonesia, especially within the last several years. R. solani is an important soil-borne necrotrophic fungal pathogen which is known to be sensitive to different environmental conditions. The differential response of fungi to light and dark is important to study, especially of those causing disease to crop plant as it helps to reveal the factors regulating the pathogenicity of the fungus. This study aims to determine the effect of light duration on the mycelial development and sclerotia formation of R. solani isolates obtained from different locations in Yogyakarta Special Region and Central Java, Indonesia. Ten isolates of R. solani collected from different geographic regions in Yogyakarta Special Region, and Central Java from maize (nine isolates) and rice (one isolate) were exposed to three different light conditions: 12 h alternating light/dark, continuous darkness, and continuous light. Cultural morphology and sclerotial characteristics were recorded for each isolate. All isolates revealed great diversity in terms of cultural and morphological characteristics after exposure to three different light conditions. Under complete darkness, the mycelial growth phase was extended, and a fluffy mass of mycelia was produced. All isolates showed abundant growth under the 12 h alternating light/dark condition than under the continuous dark and continuous light conditions. Sclerotia were initiated earlier under the 12 h alternating light/dark condition than under other conditions. The 12 h alternating light/dark condition also induced number and heavier weight of sclerotia compared with those produced under the continuous light and continuous dark conditions. The modifications in light condition exert a significant impact on some R. solani isolates.

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Cultural, Morphological and Pathogenic Variability in Colletotrichum capsici causing Die-back and Fruit Rot of Chilli

Cited by 15 publications

References 6 publications

Inhibitory Activity of <i>Polyalthia longifolia</i>, <i>Anaphalis lawii</i> and <i>Gnidia glauca</i> against Colletotrichum <i>capsici</i> and Urinary Tract Pathogens

Inhibitory Activity of <i>Polyalthia longifolia</i>, <i>Anaphalis lawii</i> and <i>Gnidia glauca</i> against Colletotrichum <i>capsici</i> and Urinary Tract Pathogens

Anthracnose of Chilli: Status, Diagnosis, and Management

Effect of photoperiod on the cultural morphology of Rhizoctonia solani isolates of maize from Yogyakarta and Central Java, Indonesia

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