Vulnerability studies of okra genotypes to bhendi yellow vein mosaic virus (BYVMV)

Puneeth, P. V.; Yadav, Ramesh Kumar; Lata, Suman; Ghosh, Amalendu; Chaudhary, Harshawardhan; Tomar, B. S.; Bidaramali, Vishwanath; Boopalakrishnan, G.; Das, Anjan Kumar; Tomer, Avinash

doi:10.5958/0974-0112.2022.00025.1

Cited by 3 publications

(2 citation statements)

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“…Therefore, A. moschatus can be used as stable source of resistance for transfer of YVMV and ELCV resistance in cultivated okra. Similar finding was also reported by several researchers in okra (Santhiya et al 2022, Puneeth et al 2022. The phenomenon of heterosis is discussed in relation to the development of high-yielding and stable okra genotypes for viral diseases through interspecific hybridization.…”

Section: Morphological Characterizationsupporting

confidence: 90%

Morpho-biochemical characterization and heterosis studies in interspecific derived F1 hybrids of okra (Abelmoschus esculentus)

KIRAN,

YADAV,

LATA

et al. 2024

Indian J Agri Sci

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The present experiment was conducted during rainy (kharif) seasons of 2021, 2022 and 2023 at vegetable research farm, ICAR-Indian Agricultural Research Institute, New Delhi to study okra [Abelmoschus esculentus (L.) Moench] cv. Pusa Sawani, crossed with 3 wild accessions, viz. A. manihot var. tetraphyllus (IC 90476-1); IC-141055 and IC- 141040 of A. moschatus. A total of 27 morphological and 9 biochemical parameters were characterized for parental species and their derived F1 hybrids. Results showed that the hybrids possessed superior and beneficial traits than the parents and had a greater alliance with their wild parent. The mean performance of the quantitative characters and heterosis of the three interspecific derived F1s differed significantly from parents. Almost all biochemical parameters value, except moisture were found high in wild accessions followed by interspecific derived F1 hybrid and lowest in cultivated variety Pusa Sawani. Per cent disease incidence for yellow vein mosaic virus (YVMV) and enation leaf curl virus (ELCV) was 92 and 32, respectively in Pusa Sawani. However, both the wild accessions of A. moschatus namely (IC-141055) and (IC-141040) and their interspecific hybrids recorded no incidence of both the disease.

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Section: Morphological Characterizationsupporting

confidence: 90%

Morpho-biochemical characterization and heterosis studies in interspecific derived F1 hybrids of okra (Abelmoschus esculentus)

KIRAN,

YADAV,

LATA

et al. 2024

Indian J Agri Sci

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“…Similar to this study A. caillei and A. manihot were reported to show resistance to YVMV and can be used in future breeding program (Seth et al 2016). Earlier workers also reported resistance to YVMV in cultivated and wild species of okra, especially in A. tetraphyllus (Prabu and Warade 2009, Badiger and Yadav 2019, Puneeth et al 2022). PDI at different intervals for most resistant genotypes was compared with Pusa Sawani (infector line) (Fig 2 ) showed that there was significant increase in disease with the growth of crop in susceptible check, however in resistant lines the rate of increase was very meagre.…”

Section: Resultsmentioning

confidence: 89%

Screening of wild okra (Abelmoschus esculentus) against yellow vein mosaic and enation leaf curl diseases

et al. 2022

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Okra yellow vein mosaic (OYVMD) and enation leaf curl diseases (OELCuD) are the most important biotic diseases which cause yield and quality loss in okra (Abelmoschus esculentus (L.) Moench). Therefore, development of viral resistance varieties and lines become important breeding objective worldwide. Wild relatives are the natural source for disease and pest resistance. Hence an experiment was conducted at research farm of ICAR-Indian Agricultural Research Institute, New Delhi during rainy (kharif) season 2020 and for screening of 24 wild genotypes to identify the resistance source for OYVMD and OELCuD diseases of okra. PDI (Percent disease incidence) for OYVMD varied from 3.12–93.72, while PDI for OELCuD ranged from 0.00–83.29. The area under disease progress curve for both the diseases indicated that the rate of disease incidence was in increasing trend with the growth of the crop. Based on the natural epiphytotic screening A. moschatus (IC 141055), A. tetraphyllus (IC 90476-1) and A. caillei (Sikkim) were 3 top most genotypes from different species which showed very less incidence of OYVMD and no incidence of OELCuD. These genotypes were grouped in highly resistant category for both the diseases; other genotypes grouped in this category were A. moschatus (EC 360900), A. tetraphyllus (IC 90515 and IC 470735). These genotypes can be used further for interspecific breeding programme and resistant variety development in okra.

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Pollen germination, pollen–pistil interaction and crossability studies in interspecific and induced colchiploid population of Abelmoschus species

Badiger

Yadav

Sharma

et al. 2023

Genet Resour Crop Evol

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Vulnerability studies of okra genotypes to bhendi yellow vein mosaic virus (BYVMV)

Cited by 3 publications

References 0 publications

Morpho-biochemical characterization and heterosis studies in interspecific derived F1 hybrids of okra (Abelmoschus esculentus)

Morpho-biochemical characterization and heterosis studies in interspecific derived F1 hybrids of okra (Abelmoschus esculentus)

Screening of wild okra (Abelmoschus esculentus) against yellow vein mosaic and enation leaf curl diseases

Pollen germination, pollen–pistil interaction and crossability studies in interspecific and induced colchiploid population of Abelmoschus species

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