Screening against Phomopsis Blight in Brinjal (Solanum melongena L.)

Kumar, Amrendra; Kumar, Randhir; Ansar, Mohammad; Akhtar, Shirin; Adarsh, Anupam; Kumar, Vinod

doi:10.20546/ijcmas.2020.903.026

Cited by 4 publications

(3 citation statements)

References 1 publication

(1 reference statement)

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“…Early efforts were made to develop resistance in cultivars with varying degrees of success in the United States (Decker, 1947, 1949), China (Liu et al., 1998; Lun & Qin, 1993) and Brazil (Reifschneider et al., 1993). However, a large amount of research has been performed in two Asian countries, namely India and Bangladesh (Bhardwaj et al., 2014; Datar & Ashtaputre, 1988; Kalda et al., 1976; Karmakar & Singh, 2017; Kumar, Kumar, et al., 2020; Pandey et al., 2002; Prasad, 2018). Several eggplant varieties, including Pant Rituraj and Pant Samrat, as well as some wild species such as Solanum gilo , S. aethiopicum and S. khasianum and their interspecific hybrids, have also been assessed to check the genetic component for resistance.…”

Section: Resistance Breedingmentioning

confidence: 99%

“…Breeding for disease‐resistant cultivars is the primary strategy for preventing disease occurrence and minimizing crop loss, but in practice, this strategy has only achieved patchy success. Many countries worldwide have investigated how different cultivars and varieties of eggplant react to the disease (Datar & Ashtaputre, 1988; Kalda et al., 1976; Kumar, Kumar, et al., 2020; Lun & Qin, 1993; Prasad, 2018).…”

Section: Resistance Breedingmentioning

confidence: 99%

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Unveiling mechanisms for induced systemic resistance, resistance breeding and molecular marker‐assisted breeding against Phomopsis blight of Solanum melongena

Goutam,

Kumar,

Tripathi

et al. 2024

Plant Pathology

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Phomopsis vexans is one of the most destructive fungal pathogens associated with eggplant and currently poses a significant threat to eggplant production worldwide. The detrimental impact of P. vexans on eggplant yield has been extensively explored by various mycologists who have conducted thorough studies on the diversity, pathology and biological aspects of the pathogen. However, achieving enduring resistance or effective management has proven to be a challenge thus far. PCR‐based detection and molecular association of Phomopsis resistance use molecular markers to examine the potential for heterosis in various crosses, aiming for premium hybrids with genetic resistance and high‐yielding capabilities. The latest genome sequencing methods and availability of a wider range of genetic diversity has enabled the breeding of resistant varieties of eggplant. This review provides a detailed description on P. vexans including its epidemiology, dispersal methods, symptomology, colony characteristics, taxonomy and evolution of its strains. Different resistance breeding techniques including heterosis breeding, host plant resistance, identification of resistant sources, inheritance pattern for Phomopsis resistance, importance of grafting to impart resistance, significance of induced resistance, PCR‐based detection and molecular association of Phomopsis resistance are explained. Future approaches include molecular marker techniques such as genome‐wide association studies, sequence‐characterized amplified regions (SCAR), role of biotic inducers, pathogenesis‐related proteins and plant growth‐promoting rhizobacteria against Phomopsis blight of eggplant.

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Section: Resistance Breedingmentioning

confidence: 99%

Section: Resistance Breedingmentioning

confidence: 99%

Unveiling mechanisms for induced systemic resistance, resistance breeding and molecular marker‐assisted breeding against Phomopsis blight of Solanum melongena

Goutam,

Kumar,

Tripathi

et al. 2024

Plant Pathology

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“…The characteristics disease symptoms on the fruit are noticed as circular to oval sunken areas which appear as pale yellow and brown zones covering the fruit surface upon which pycnidia of pinhead size are formed (Islam et al 2010). There is heavy toll in yield and quality of eggplant upto 10-50% (Kumar et al 2020). It is very difficult to control the disease by traditional way as the inoculum survives in the crop debris and in dried fruit for about 14 months (Jayaramaiah et al 2013).…”

mentioning

confidence: 99%

Identification of new resistant varieties to Phomopsis fruit rot of eggplant (Solanum melongena)

Bhanushree¹,

Tomar²,

Akhtar³

et al. 2022

Indian J Agri Sci

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Eggplant (Solanum melongena L.) is one of the supreme members of the solanaceous group which is widely grown in India. It is considered as the single and economic host of the fungus Diaporthe vexans causing fruit rot, stem canker and blight disease. The present study was carried at the vegetable research farm of ICAR-Indian Agricultural Research Institute, New Delhi during 2019–20 and 2020–21 to screen the eggplant lines (18 cv.) for resistance against this pathogen. The pathogen was isolated from the infected fruits and confirmed by morphological and sequencing information. Artificial inoculation using pin prick method revealed the presence of variability in the lines for disease. The studied lines were categorized based on Per cent disease index (PDI) and the highest PDI value of 80–100% recorded in cultivars Pusa Shyamla, Pusa Kranti, DBL-186, DBL-187, Muktokeshi and DBSR-52 and thus categorized as highly susceptible. The cultivars NDB-25, Kashi Sandesh, Kalo Solia, DBL-175 and Debjhuri Hazari were reported to be susceptible with PDI value of 60%. In the present study, first time we have report a number of highly resistant lines, viz. BR 112, Swarna Mani, BR 40-7 and IC-112992 with 0% PDI as novel source of resistance against P. vexans. These resistant lines have significant importance in large scale cultivation as resistant varieties by farmers. They can also be further utilized as a parent in population development for the identification of gene (s)/ QTL (s) associated with the resistance.

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