Screening of common bean (Phaseolus vulgaris L.) germplasm against Colletotrichum lindemuthianum inciting bean anthracnose

Gupta, C R; Gupta, Mahesh; Gupta, Soma; Salgotra, Romesh Kumar

doi:10.25303/1701rjbt1318

Cited by 3 publications

(2 citation statements)

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“…Using the different chlorophyll fluorescence variables, such as DSI and grain yield, a cluster analysis was performed to identify moderately resistant, moderately susceptible, susceptible and highly susceptible bean genotypes [ 12 , 88 ]. From these typologies, a principal component analysis (PCA) was used to identify the relationship of genotypes with chlorophyll fluorescence variables and to test the effect of disease stress on the physiological response in maintaining a higher photosynthetic efficiency, a situation that was tested by means of a Monte-Carlo permutation test.…”

Section: Methodsmentioning

confidence: 99%

Chlorophyll Fluorescence Imaging as a Tool for Evaluating Disease Resistance of Common Bean Lines in the Western Amazon Region of Colombia

Suárez

Vanegas

Contreras

et al. 2022

Plants

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The evaluation of disease resistance is considered an important aspect of phenotyping for crop improvement. Identification of advanced lines of the common bean with disease resistance contributes to improved grain yields. This study aimed to determine the response of the photosynthetic apparatus to natural pathogen infection by using chlorophyll (Chla) fluorescence parameters and their relationship to the agronomic performance of 59 common bean lines and comparing the photosynthetic responses of naturally infected vs. healthy leaves. The study was conducted over two seasons under acid soil and high temperature conditions in the western Amazon region of Colombia. A disease susceptibility index (DSI) was developed and validated using chlorophyll a (Chla) fluorescence as a tool to identify Mesoamerican and Andean lines of common bean (Phaseolus vulgaris L.) that are resistant to pathogens. A negative effect on the functional status of the photosynthetic apparatus was found with the presence of pathogen infection, a situation that allowed the identification of four typologies based on the DSI values ((i) moderately resistant; (ii) moderately susceptible; (iii) susceptible; and (iv) highly susceptible). Moderately resistant lines, five of them from the Mesoamerican gene pool (ALB 350, SMC 200, BFS 10, SER 16, SMN 27) and one from the Andean gene pool (DAB 295), allocated a higher proportion of energy to photochemical processes, which increased the rate of electron transfer resulting in a lower sensitivity to disease stress. This photosynthetic response was associated with lower values of DSI, which translated into an increase in the accumulation of dry matter accumulation in different plant organs (leaves, stem, pods and roots). Thus, DSI values based on chlorophyll fluorescence response to pathogen infection could serve as a phenotyping tool for evaluating advanced common bean lines. Six common bean lines (ALB 350, BFS 10, DAB 295, SER 16, SMC 200 and SMN 27) were identified as less sensitive to disease stress under field conditions in the western Amazon region of Colombia, and these could serve as useful parents for improving the common bean for multiple stress resistance.

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Section: Methodsmentioning

confidence: 99%

Chlorophyll Fluorescence Imaging as a Tool for Evaluating Disease Resistance of Common Bean Lines in the Western Amazon Region of Colombia

Suárez

Vanegas

Contreras

et al. 2022

Plants

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“…Common bean is a highly nutritious crop and is enriched with proteins, vitamins, minerals, and fibre [ 173 ]. Common bean legume is cultivated with both bush and climbing types of growth habits [ 174 ].…”

Section: Deployment Of Genomic Resources and Genotyping Platforms In ...mentioning

confidence: 99%

Genetic Augmentation of Legume Crops Using Genomic Resources and Genotyping Platforms for Nutritional Food Security

Salgotra

Stewart

2022

Plants

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Recent advances in next generation sequencing (NGS) technologies have led the surge of genomic resources for the improvement legume crops. Advances in high throughput genotyping (HTG) and high throughput phenotyping (HTP) enable legume breeders to improve legume crops more precisely and efficiently. Now, the legume breeder can reshuffle the natural gene combinations of their choice to enhance the genetic potential of crops. These genomic resources are efficiently deployed through molecular breeding approaches for genetic augmentation of important legume crops, such as chickpea, cowpea, pigeonpea, groundnut, common bean, lentil, pea, as well as other underutilized legume crops. In the future, advances in NGS, HTG, and HTP technologies will help in the identification and assembly of superior haplotypes to tailor the legume crop varieties through haplotype-based breeding. This review article focuses on the recent development of genomic resource databases and their deployment in legume molecular breeding programmes to secure global food security.

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Anthracnose Resistance in Legumes for Cropping System Diversification

Pandey

Kumar

Mbeyagala

et al. 2023

Critical Reviews in Plant Sciences

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Screening of common bean (Phaseolus vulgaris L.) germplasm against Colletotrichum lindemuthianum inciting bean anthracnose

Cited by 3 publications

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Chlorophyll Fluorescence Imaging as a Tool for Evaluating Disease Resistance of Common Bean Lines in the Western Amazon Region of Colombia

Chlorophyll Fluorescence Imaging as a Tool for Evaluating Disease Resistance of Common Bean Lines in the Western Amazon Region of Colombia

Genetic Augmentation of Legume Crops Using Genomic Resources and Genotyping Platforms for Nutritional Food Security

Anthracnose Resistance in Legumes for Cropping System Diversification

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