Genetic inheritance and identification of germplasm sources for anthracnose resistance in soybean [Glycine max (L.) Merr.]

Nataraj, Vennampally; Shivakumar, M.; Kumawat, Giriraj; Gupta, Sanjay; Rajput, Laxman Singh; Kumar, Sanjeev; Sharma, Apurva; Bhatia, Virender Singh

doi:10.1007/s10722-020-00917-4

Cited by 32 publications

(29 citation statements)

References 20 publications

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“…Currently, fungicides used as preventives are azoxystrobin, captan, mancozeb, carbendazim, thiophanate methyl, and members of the sterol demethylation inhibitors (DMI), such as triazoles (Dias et al., 2016; Nataraj et al., 2020; Poti et al., 2020). However, in recent years several studies have shown that fungicide efficiency is gradually reducing against soybean anthracnose (Dias et al., 2016; Poti et al., 2020).…”

Section: Disease Managementmentioning

confidence: 99%

“…They hypothesized that the genetic resistance of cotyledons and stems might be under the control of genetically independent mechanisms. Sources of resistance of soybean to anthracnose caused by C. truncatum have been reported and studies in Brazil, India, and the USA revealed that 22 commercial cultivars, nine genotypes, and one soybean germplasm are highly resistant to C. truncatum (Costa et al., 2009; Dias et al., 2019; Nagaraj et al., 2014, 2020; Yang & Hartman, 2015). Research on sources of resistance to other Colletotrichum species associated with anthracnose has not yet been performed.…”

Section: Disease Managementmentioning

confidence: 99%

“…Due to the potential for off-season survival of species of Colletotrichum that infect soybean, and the long-distance dissemination of the pathogen by seeds (Yang & Hartman, 2016), the management of soybean anthracnose should start with sowing disease-free seeds (Pellegrino et al, 2010) Nataraj et al, 2020;Poti et al, 2020). However, in recent years several studies have shown that fungicide efficiency is gradually reducing against soybean anthracnose (Dias et al, 2016;Poti et al, 2020).…”

Section: Is E a S E Manag Ementmentioning

confidence: 99%

“…Anthracnose resistance genes tend to be highly specific, and the emergence of additional Colletotrichum species associated with the disease in soybean-producing areas indicates the need to start focused programmes (Dias et al, 2018). The inheritance of resistance to soybean anthracnose caused by C. truncatum was demonstrated to be governed by more than one gene (Nataraj et al, 2020). In a test with 16 soybean accessions inoculated with a mixture of C. truncatum isolates, Dias et al (2019) found that some soybean genetic materials with a high level of resistance in stems are highly susceptible to cotyledon infection.…”

Section: Is E a S E Manag Ementmentioning

confidence: 99%

“…In 2019/20, world soybean production exceeded 330 million tonnes, of which approximately 86% were concentrated in Brazil, the United States, and Argentina (USDA, 2020). Diseases are among the major factors that can affect soybean production, and anthracnose is becoming a major threat in production areas around the world (Dias et al., 2016; Hartman et al., 2015; Nataraj et al., 2020; Subedi et al., 2016; Wrather et al., 2010;). This disease can reach up to 100% incidence in the field (Hartman et al., 1999), and incidence as low as 1% can cause yield losses of up to 90 kg/ha (Dias et al., 2016).…”

Section: Introductionmentioning

confidence: 99%

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Soybean anthracnose caused by Colletotrichum species: Current status and future prospects

Boufleur

Ciampi‐Guillardi

Tikami

et al. 2021

Molecular Plant Pathology

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Soybean (Glycine max) is one of the most important cultivated plants worldwide as a source of protein‐rich foods and animal feeds. Anthracnose, caused by different lineages of the hemibiotrophic fungus Colletotrichum, is one of the main limiting factors to soybean production. Losses due to anthracnose have been neglected, but their impact may threaten up to 50% of the grain production. Taxonomy While C. truncatum is considered the main species associated with soybean anthracnose, recently other species have been reported as pathogenic on this host. Until now, it has not been clear whether the association of new Colletotrichum species with the disease is related to emerging species or whether it is due to the undergoing changes in the taxonomy of the genus. Disease symptoms Typical anthracnose symptoms are pre‐ and postemergence damping‐off; dark, depressed, and irregular spots on cotyledons, stems, petioles, and pods; and necrotic laminar veins on leaves that can result in premature defoliation. Symptoms may evolve to pod rot, immature opening of pods, and premature germination of grains. Challenges As accurate species identification of the causal agent is decisive for disease control and prevention, in this work we review the taxonomic designation of Colletotrichum isolated from soybean to understand which lineages are pathogenic on this host. We also present a comprehensive literature review of soybean anthracnose, focusing on distribution, symptomatology, epidemiology, disease management, identification, and diagnosis. We consider the knowledge emerging from population studies and comparative genomics of Colletotrichum spp. associated with soybean providing future perspectives in the identification of molecular factors involved in the pathogenicity process. Useful website Updates on Colletotrichum can be found at http://www.colletotrichum.org/. All available Colletotrichum genomes on GenBank can be viewed at http://www.colletotrichum.org/genomics/.

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Section: Disease Managementmentioning

confidence: 99%

Section: Disease Managementmentioning

confidence: 99%

Section: Is E a S E Manag Ementmentioning

confidence: 99%

Section: Is E a S E Manag Ementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Soybean anthracnose caused by Colletotrichum species: Current status and future prospects

Boufleur

Ciampi‐Guillardi

Tikami

et al. 2021

Molecular Plant Pathology

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Genetic parameters and selection indexes in F2 and F2:3 soybean populations

et al. 2021

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The evaluation of genetic parameters in early generations select individuals in F2 and F2:3 and advancing only progenies with the potential to generate pure productive lines. The objectives of this study were to estimate genetic and phenotypic parameters in F2 and F2:3 populations derived from UFUS 7415 and TMG 7161 RR, evaluate different genotype selection strategies, and select progenies to improve agronomic traits. Populations in the F2 and F2:3 generations derived from a biparental cross between the parents UFUS 7415 and TMG 7161 RR were evaluated. The genetic parameters of 360 individuals in the F2 generation and 150 genotypes of each parent were evaluated. Heritability varied from 4.66% for the number of seeds per pod to 86.06% for plant height at flowering. The greatest selection gain was obtained for plant height at flowering (29.68%), related to grain production. In the F2:3 generation, 145 genotypes were evaluated and their parents, in a randomized block design with two replications. The correlations between characters and the genetic gains obtained by direct and indirect selection and based on the genotype–ideotype distance index and the Mulamba and Mock index of the sum of “ranks” were evaluated. With direct selection, selection gains ranged from –5.34 to 16.19%. The genotype–ideotype distance index showed a total selection gain of 40.49%, while the Mulamba and Mock index of the sum of ranks obtained a total gain of 39.35%. Twenty‐three genotypes were selected for the characters evaluated with both indexes in the F3 generation.

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WAASB‐based stability analysis and simultaneous selection for grain yield and early maturity in soybean

et al. 2021

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Soybean [Glycine max (L.) Merr.] is the leading Indian oilseed crop grown under rainfed conditions. Meticulous understanding of genotype × environment interaction patterns is essential to develop superior and widely adaptable soybean varieties. In the current study, 32 soybean genotypes were evaluated at eight locations for two consecutive years. Additive main effect and multiplicative interaction ANOVA revealed that only 41.6% of variance was explained by the first two interaction principal component axes (IPCAs), leaving 58.4% to the remaining 13 IPCs. The weighted average of absolute scores (WAASB) stability index, a best linear unbiased prediction–based mixed model that takes in to account all the IPCAs, has been used in stability analysis. SL1171 (WAASB score, 4.09) was found to be highly stable among the genotypes under study, with grain yield (2,050.87 kg ha−1) lower than the grand mean (2,082.50 kg ha−1). A superiority index that allows weighting between mean performance and stability (WAASBY) was used to select stable and high yielding genotypes. MACS 1620 (WAASBY score, 74.47) was found to be high yielding (2,476.05 kg ha−1) and widely adaptable. A simultaneous selection index (i.e., multi‐trait stability index [MTSI]) has been used for selecting early‐maturing and high‐yielding genotypes. DSb 33 was found to have the lowest MTSI (0.001) and can be used as a parent for breeding for early maturity and higher yield. The 100‐seed weight was found to be positively correlated with grain yield and can be used in direct selection for grain yield. Through genotypic cluster analysis, NRC 146 was found to be more divergent, with the highest mean 100 seed weight (16.39 g), and therefore can be used as a parent for breeding solely for grain yield.

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Genetic inheritance and identification of germplasm sources for anthracnose resistance in soybean [Glycine max (L.) Merr.]

Cited by 32 publications

References 20 publications

Soybean anthracnose caused by Colletotrichum species: Current status and future prospects

Soybean anthracnose caused by Colletotrichum species: Current status and future prospects

Genetic parameters and selection indexes in F2 and F2:3 soybean populations

WAASB‐based stability analysis and simultaneous selection for grain yield and early maturity in soybean

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