Sources of resistance to tomato-yellow-leaf-curl-virus (TYLCV) inLycopersiconspecies
✍ Scribed by M. A. Kasrawi; M. A. Suwwan; A. Mansour
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 241 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0014-2336
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✦ Synopsis
Sources of resistance to tomato-yellow-leaf-curl-virus (TYLCV) were investigated in 16 accessions of three Lycopersicon species and 55 commercial tomato hybrids and cultivars . All commercial hybrids and cultivars were highly susceptible . Accessions of L. hirsutum, Lm hirsutum f. glabaratum and L. pimpinellifolium showed a wide range of reactions . Those of L. peruvianum, LA 385 ofL. peruvianum f . humifusum exhibited very high levels of resistance indicating their potential use in local breeding programs . In contrast to earlier findings, back indexing showed that all symptomless genotypes in this investigation were carriers of the TYLCV.
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## Summary The tomato yellow leaf curl virus (TYLCV) found in Israel is a whitefly‐transmitted monopartite geminivirus. Although geminiviruses have been found in the nuclei of phloem‐associated cells, the mechanism of viral invasion is poorly understood. The possible role of the TYLCV capsid protei
Inheritance of resistance to tomato leaf curl virus (TLCV) was studied in the progenies derived from interspecific crosses between TLCV resistant Lycopersicon hirsutum f. glubratum line B 6013 and five susceptible cultivars (HS 101, HS 102, HS 110, Pusa Ruby and Punjab Chhuhara) of L. esculentum. Pt