Screening of MYMV Resistant Mungbean (Vigna radiata L. Wilczek) Progenies through Agroinoculation

Karthikeyan, Adhimoolam; Manickam, S.; Pandiyan, M.; Senthil, N.; Shobana, VG; Nagarajan, P.

doi:10.3923/ijpp.2011.115.125

Cited by 28 publications

(17 citation statements)

References 12 publications

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“…Resistance to MYMV is available within Vigna mungo, but it breaks down easily and frequently due to rapid formation of new pathotypes (Kartikeyan et al. ). Further, the productivity level of black gram is also low due to narrow genetic base (Kumar et al.…”

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Introgression of productivity and other desirable traits from ricebean (Vigna umbellata) into black gram (Vigna mungo)

et al. 2013

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Crosses were performed to introgress genes for productivity and other desirable traits from ricebean (Vigna umbellata) into black gram (Vigna mungo). Crossability was very poor in black gram 9 ricebean crosses, and only two to nine true hybrid plants were obtained. Plant fertility was very poor in initial generations, but was improved gradually from F 2 onwards. Twenty-four uniform progenies, bulked in F 7 , were evaluated for yield potential. The percentage increase/decrease in yield ranged from À35.48 to 50.31 over the check cultivar ('Mash338', female parent). All the progenies were found resistant to Mungbean yellow mosaic virus, Cercospora leaf spot and Bacterial leaf spot diseases. Overall, it was found that desirable traits such as high pod number, seed weight, productivity and resistance to diseases have been introgressed successfully into black gram from ricebean. A derivative line, KUG114, recorded yield superiority of 39.45% over the check cultivar 'Mash338' on the average of 14 multilocation research trials. It was released under the name 'Mash114' for cultivation in the Punjab state.

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Introgression of productivity and other desirable traits from ricebean (Vigna umbellata) into black gram (Vigna mungo)

et al. 2013

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“…However, in the recent times, new sources of resistance and molecular markers associated with MYMIV have been identified (Chen et al, 2012). Karthikeyan et al (2011) proclaimed that even though urdbean can be used effectively as resistant source for introgressing MYMV resistance into mungbean, the resistance breaks down very often due to rapid evolution of new pathotype (Kumar, 2010). Thus, to diversify and broaden the genetic base of cultivated mungbean genotypes, there is a need to look for alien gene transfer from other Vigna species.…”

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confidence: 99%

Assessment of Genetic Purity of Inter-Specific F1 Hybrids Involving Vigna Radiata and Vigna Umbellata

Bhanu¹,

Kumar²,

Singh³

et al. 2017

JEBAS

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Genetic purity test of true hybrids from controlled crosses before further generations of selfing or crossing and selection is essential for Mungbean improvement. The present study was conducted to transfer mungbean yellow mosaic (MYM) disease resistance in mungbean from ricebean and to assess the genetic purity of developed inter-specific F1 hybrids using morphological features and microsatellite markers. Inter-specific crosses were made involving two genotypes of mungbean viz., K 851 and TM 96-2 and one genotype of ricebean (RBL 1) where the crossability results revealed significant differences. Crossability was recorded 8.2% (TM 96-2 × RBL 1) and 4.6% (K 851 × RBL 1). Pollen fertility was recorded 1.6% and 3.4% in TM 96-2 × RBL 1 and K 851 × RBL 1, respectively. Morphological features such as epicotyl colour, hypocotyl length, petiole length, germination habit, etc., were used as indicators of true hybridity. Further, the microsatellite markers were used to confirm the genetic purity of the developed inter-specific hybrid. These hybrids exhibited resistance against mungbean yellow mosaic disease under natural epiphytotic field conditions. The present study will be useful in developing high yielding varieties or lines of mungbean coupled with stable MYMV resistance.

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“…The results indicate that coagroinoculation of the CP hairpin construct (Cphp) prevented the viral pathogenesis (Kumari & Malathi 2012). Screening the germplasms using different MYMV isolates through agroinoculation technique is the effective method for assessing the genetic diversity for MYMV resistance in mungbean (Karthikeyan et al 2011). Recently, Sudha et al (2013b) screened the mungbean germplasms using two different MYMV isolates.…”

Section: Pathogen-derived Resistancementioning

confidence: 99%

Mungbean yellow mosaic virus (MYMV): a threat to green gram (Vigna radiata) production in Asia

Karthikeyan

Shobhana

Manickam

et al. 2014

International Journal of Pest Management

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Mungbean yellow mosaic virus (MYMV) disease is one of the most vicious diseases of green gram and has been renowned in India for more than five decades. It is caused by a group of geminiviruses belonging to the genus, begomovirus of the family, Geminiviridae. They are transmitted through whitefly in a persistent manner. The economic losses due to this virus account up to 85% in green gram which is spreading faster towards newer areas. The escalating economic importance of MYMV has resulted in the call for accurate detection and identification procedures that inspire rigorous research efforts focussing on the biology, diversity and epidemiology of the virus, so that viable management strategies could be designed. Breeding for resistance or tolerance appears to be the best approach to control this disease. However, the commercially offered genotypes are only partially resistant. Therefore, the hunt for newer sources of disease resistance needs to be intensified. This review updates all the accessible information on MYMV and outlines the areas in which advance research is indispensable.

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Screening of MYMV Resistant Mungbean (Vigna radiata L. Wilczek) Progenies through Agroinoculation

Cited by 28 publications

References 12 publications

Introgression of productivity and other desirable traits from ricebean (Vigna umbellata) into black gram (Vigna mungo)

Introgression of productivity and other desirable traits from ricebean (Vigna umbellata) into black gram (Vigna mungo)

Assessment of Genetic Purity of Inter-Specific F1 Hybrids Involving Vigna Radiata and Vigna Umbellata

Mungbean yellow mosaic virus (MYMV): a threat to green gram (Vigna radiata) production in Asia

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