51 Result(s)
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V. Venkataravanappa
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Article
Molecular characterization of recombinant citrus yellow mosaic badnavirus infecting Coorg mandarin exhibiting yellow mosaic disease symptoms in high humid tropic region of Western Ghats
The citrus yellow mosaic badnavirus (CMBV) is one of the most important viruses causing yellowing and declining in different Citrus species. The Coorg mandarin, pomelo and grapefruit showing the yellow mosaic dis...
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First record of tomato leaf curl Kerala virus and betasatellite associated with yellow vein mosaic disease of beet root (Beta vulgaris L. ssp. vulgaris) in India
Beet root plant exhibiting different kinds of symptoms were collected from two locations of Karnataka State (India). The presence of causal agent in the infected samples was assayed by PCR using begomovirus sp...
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Complete genome characterization of chilli veinal mottle virus associated with mosaic and mottling disease of tomato and development of LAMP assay for quick detection
Chilli veinal mottle virus (ChiVMV) is a potyvirus known to cause havoc in many solanaceous crops. Samples from tomato plants exhibiting typical mosaic and mottling symptoms in two locations from farmers’ fiel...
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Tomato brown rugose fruit virus associated with leaf mosaic, mottling and brown rugose patches on fruits of tomato in India
Eleven fruit samples from the tomato plants exhibiting different kinds of symptoms on leaves and fruits were collected from farmers fields located in two states (Karnataka and Maharashtra) of India. To confirm...
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First report of sida yellow vein Madurai virus infecting Lisianthus (Eustoma russellianum)
Lisianthus (Eustoma russellianum) is one of the emerging cut flower crops in international flower market quickly ranked in top ten cut flowers worldwide. Despite its rising popularity, studies relating to the ide...
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Biological and molecular characterization of begomovirus and its DNA satellites associated with leaf curl disease of zinnia in India
Zinnia (Zinnia elegans L.) is one of the important ornamental crops grown in gardens and is affected by number of diseases. Of these, leaf curl disease caused by begomovirus is one of the major limiting factors f...
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Candidatus Phytoplasma aurantifolia’ (16SrII-C) associated with phyllody disease of snake gourd from India
Typical symptoms of little leaf such as yellowing, phyllody, virescence, and witches' broom were observed on snake gourd in the Jalna district of Maharashtra state, India. Total genomic DNA extracted from symp...
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Identification of source of resistance in greengram germplasm against Mungbean yellow mosaic virus and its vector whitefly, Bemisia tabaci (Gennadius)
The production of greengram is severely hampered by Mungbean yellow mosaic virus (MYMV) caused by whitefly transmitted Begomovirus. One hundred seventy germplasm were collected and evaluated from three geographic...
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Multilocus phylogenetic analysis of Colletotrichum gloeosporioides causing anthracnose disease of Murraya koenigii in India
Curry leaf, also known as sweet neem (Murraya koenigii), is a vital medicinal plant thriving in tropical and subtropical climates worldwide. It holds a significant position in India as both an ornamental and ther...
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Begomovirus and DNA-satellites association with mosaic and leaf curl disease of Solanum nigrum and Physalis minima: the new hosts for chilli leaf curl virus
The numerous plants of Solanum nigrum L, and Physalis minima L, well-known weeds with medicinal properties in agriculture and horticulture crops exhibiting severe mosaic, enation and leaf curl symptoms, were coll...
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First report of Phytophthora cinnamomi causing avocado root rot in India
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First report of Phytophthora tropicalis causing black pod of Cacao (Theobroma cacao) in India
Cacao (Theobroma cacao) is a tropical plant that is grown throughout India. Cacao pods exhibiting chocolate brown patched symptoms were collected. The organism was isolated and cultured on V8 Agar from the diseas...
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Genome sequencing of cucumber mosaic virus (CMV) isolates infecting chilli and its interaction with host ferredoxin protein of different host for causing mosaic symptoms
Chilli (Capsicum annuum L.) is an important vegetable crop grown in the Indian sub-continent and is prone to viral infections under field conditions. During the field survey, leaf samples from chilli plants showi...
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First record of ‘Candidatus phytoplasma asteris’ (16SrI group) associated with Annona reticulata L. in India
Netted Custard apple tree (Annona reticulata L.) showing typical phytoplasma symptoms of witches’-broom disease were collected from Patoli village in Dandeli Taluka of Karnataka, India. DNA extracted from samples...
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Biological and molecular characterization of Mungbean yellow mosaic virus (MYMV) and its vector, Bemisia tabaci cryptic species in greengram
The greengram is a protein-rich legume is sensitivity to numerous biotic and abiotic stress leads to the huge loss to growers. Of the biotic stresses, Mungbean yellow mosaic virus (MYMV) is a severe threat for gr...
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Survey, host range and characterization of begomovirus infecting bitter gourd and its vector whitefly cryptic species
Bitter gourd plants exhibiting various kinds of symptoms were collected in famer’s fields in Karnataka and Uttar Pradesh states of India. The casual agent associated with symptomatic bitter gourd plants (One s...
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Association of papaya leaf curl virus and DNA satellite molecules with leaf curl disease of sunhemp (Crotalaria juncea L.) in India
Crotalaria juncea L., known as brown hemp, Indian hemp, Madras hemp, or sunhemp, is a tropical Asian plant of the legume family, Fabaceae and considered to have originated in India. Sunhemp is a multipurpose trop...
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Fenugreek plants showing the severe leaf curl disease are associated with tomato leaf curl Kerala virus, DNA-B molecule of tomato leaf curl New Delhi virus and a novel betasatellite
Fenugreek plants showing typical leaf curl disease symptoms were collected from Aurangabad, Maharashtra State, India. Begomovirus association with the five diseased in fenugreek was confirmed through PCR using...
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Characterization of Squash leaf curl China virus associated with mosaic and vein clearing disease of pointed gourd (Trichosanthes dioica Roxb.) and its vector whitefly cryptic species
Pointed gourd (Trichosanthes dioica Roxb.) also known as parwal, is an important nutritive vegetable crop cultivated throught Indian subcontinent. Survey was conducted during 2016 and 17 for assessing the vrial d...
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Molecular characterization of novel bipartite begomovirus associated with enation leaf disease of Garden croton (Codiaeum variegatum L.)
Garden croton (Codiaeum variegatum L.) plants showing typical begomovirus symptoms of vein twisting, enation and curling were collected from different gardens at Varanasi, Uttar Pradesh state of India ranged from...
