Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"aphid transmission"”.
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Aphid Transmission of Soybean Mosaic Virus: Some Potential Means of Cultural Control
Made available in DSpace on 2014-12-14T07:04:07Z (GMT). No. of bitstreams: 1 8009055.pdf: 4374969 bytes, checksum: 0d34683fd0b0759e9441455e298edb36 (MD5) Previous issue date: 1979
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Aphid Transmission, Replication, and Transcription of BYDV -Pav -Il and Genome Organization of RhPV
… cDNA expression library was screened to identify aphid proteins that interact with the BYDV-PAV-IL capsid proteins using the yeast two-hybrid system. Seven clones activated the expression of the reporter genes, supposedly by interacting with capsid proteins of BYDV-PAV, but complementation tests …
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Strains of Soybean Mosaic Virus: Aphid Transmission, Host Passage Effects, and Use in Evaluation of Genetic Resistance in Soybeans
… soybean mosaic virus (SMV) strains proved to be aphid transmissible, however, one isolate of strain G5 lost its aphid transmissibility after about 30 successive passages by sap inoculation through a susceptible soybean cultivar Rampage during 20 months. The aphid nontransmissible strain G5 …
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The Effect of Within-host Virus Population Growth and Interspecific Competition on Aphid Transmission and Population Structure of Barley Yellow Dwarf Virus
… PAS are ecologically similar in that they share aphid vectors and host species, but in agricultural fields in New York State we found that the prevalence of PAV was three times greater than that of PAS. To determine if differences in within-host population growth rate affect vector transmission …
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Role of virus genes in seed and aphid transmission and development of a virus-induced gene silencing system to study seed development in soybean
… genus Potyvirus, and is transmitted by seed and aphids in soybean. The symptoms of SMV infection on soybean typically include mosaic and curling of leaves, reduced pod set and seed coat mottling. Although, the virus genes responsible for transmission by aphids have been studied extensively there …
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Variability of the peanut mottle virus reaction in soybean (Glycine max)
… and to characterize the PMV strains using aphid transmission efficiency and serological relationships. Twelve PMV isolates were placed in five strain groups (P1-P5) based on symptom expression in the soybean cultivars Lee 68, York, and Virginia. Aphid transmission efficiency of the PMV …
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Isolation, identification and characterisation of three viruses from Pisum sativum in South Africa
… electron microscopy, cytopathological studies, aphid transmission tests, host range studies and molecular-based techniques such as PCR, cloning and sequencing and sequence comparisons.
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Construction and evaluation of infectious cDNA clones and analysis of packaging determinants of Soybean dwarf virus
Soybean dwarf virus (SbDV) is a phloem-limited, aphid-transmitted luteovirus that causes dwarfing of soybean plants. In the present study, infectious clones of two dwarfing isolates of SbDV were constructed, and methods for Agrobacterium-mediated inoculation of plants were standardized and used to …
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Characterisation and detection of viruses (Cucumovirus, Potyvirus) infecting vanilla in Réunion Island and Polynesian Islands
… of a DVG motif (which replaced the more common aphid transmission DAG motif), suggesting a role in improving aphid transmission, or regulating formation of the HC-virus complex. CP core nucleotide sequence identities indicated VanMV-CI and VanMV-FP were strains of Dasheen mosaic virus (DsMV). In …
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YIELD EFFECT AND VECTOR CAPACITY OF PEA APHID IN TRANSMITTING PEA SEEDBORNE MOSAIC VIRUS ON CHICKPEA AND FABA BEAN
… PSbMV symptom expression, yield effects, and aphid-mediated transmission in chickpea (CDC Orkney) and faba bean (CDC 1310-05) and pea (CDC Meadow) under controlled conditions. Plants were mechanically inoculated with the L09 PSbMV isolate, and infection was verified using RT-PCR and qPCR. …