Results 191 to 200 of about 406,748 (225)
Some of the next articles are maybe not open access.
MOLECULAR MARKERS AND GENETIC BASE BROADENING IN LYCOPERSICON SPP.
Acta Horticulturae, 2001Genetic variability utilised in modern crops is limited because of bottlenecks produced during the domestication process, breeding new cultivars outside the native region and past selection pressures. Tomato (Lycopersicon esculentum L.) is one of many autogamous crop species in which germplasm has been severely reduced by these processes.
Saavedra, G, Spoor, W, Harrier, LA
openaire +3 more sources
Euphytica, 2001
Accessions of Lycopersicon chilense, L. peruvianum, L.hirsutum and sixteen L. esculentum genotypes were evaluated undergreenhouse conditions for resistance to a whitefly-transmitted geminivirusisolate from Brasilia-DF (DF1). Artificial cage inoculation oftomato plants at the two true-leaf stage, using 20 viruliferous whiteflies perplant in individual ...
Flávio Martins Santana +4 more
semanticscholar +3 more sources
Accessions of Lycopersicon chilense, L. peruvianum, L.hirsutum and sixteen L. esculentum genotypes were evaluated undergreenhouse conditions for resistance to a whitefly-transmitted geminivirusisolate from Brasilia-DF (DF1). Artificial cage inoculation oftomato plants at the two true-leaf stage, using 20 viruliferous whiteflies perplant in individual ...
Flávio Martins Santana +4 more
semanticscholar +3 more sources
Quantifying seed germination responses to low temperatures: Variation among Lycopersicon spp.
Environmental and Experimental Botany, 1985Abstract Seed germination response to a range of low temperatures (6–20°C) was quantified for six accessions of Lycopersicon spp. representing the cultivated tomato L. esculentum (Mill.) and wild relatives L. peruvianum (Mill.) and L. chilense (Dun.).
S. Jeffrey Scott, Richard A. Jones
openaire +2 more sources
Molecular and General Genetics MGG, 1993
Protoplast fusion experiments between Lycopersicon esculentum or L. peruvianum and Nicotiana tabacum or N. plumbaginifolia were performed to investigate the possibility of producing symmetric and asymmetric somatic hybrids between these genera. These fusions, which involved 1.7 x 10(8) protoplasts, yielded 35 viable hybrid calli. Plant regeneration was
Wolters, A.M.A. +3 more
openaire +4 more sources
Protoplast fusion experiments between Lycopersicon esculentum or L. peruvianum and Nicotiana tabacum or N. plumbaginifolia were performed to investigate the possibility of producing symmetric and asymmetric somatic hybrids between these genera. These fusions, which involved 1.7 x 10(8) protoplasts, yielded 35 viable hybrid calli. Plant regeneration was
Wolters, A.M.A. +3 more
openaire +4 more sources
Theoretical and Applied Genetics, 1999
The change from vegetative to reproductive development (earliness) in Lycopersicon chesmannii line L2 was delayed for 20 weeks when compared to other Lycopersicon species under greenhouse conditions. The interspecific hybrid of L. chesmannii L2 and L. esculentum E9, a cherry tomato cultivar, also showed this delay in reproductive development.
A. J. Monforte +2 more
openaire +2 more sources
The change from vegetative to reproductive development (earliness) in Lycopersicon chesmannii line L2 was delayed for 20 weeks when compared to other Lycopersicon species under greenhouse conditions. The interspecific hybrid of L. chesmannii L2 and L. esculentum E9, a cherry tomato cultivar, also showed this delay in reproductive development.
A. J. Monforte +2 more
openaire +2 more sources
Cold tolerance in tomato. II. Early seedling growth of Lycopersicon spp.
Physiologia Plantarum, 1986Hypocotyl and root growth elongation of etiolated seedlings was measured non‐destructively for the wild tomato accessions LA 460 (Lycopersicon chilense Dun.), PI 126435, PI 127831 and PI 127832 (L. peruvianum Mill.) and controls PI 120256 and T3 (L. esculentum Mill.) on slant boards at 10, 15 and 20°C.
S. Jeffrey Scott, R. A. Jones
openaire +2 more sources
International Journal of Tropical Insect Science, 1990
Nineteen accessions from seven Lycopersicon species were bioassayed for their resistance to Heliothis armigera (Hubner) (Lepidoptera: Noctuidae) in laboratory tests at 29 ± 1°C and 65 ± 2% r.h. Data on larval developmental duration (days), survival (%) and pupal weights (mg) revealed that maximum resistance to H.
R. K. Kashyap +3 more
openaire +2 more sources
Nineteen accessions from seven Lycopersicon species were bioassayed for their resistance to Heliothis armigera (Hubner) (Lepidoptera: Noctuidae) in laboratory tests at 29 ± 1°C and 65 ± 2% r.h. Data on larval developmental duration (days), survival (%) and pupal weights (mg) revealed that maximum resistance to H.
R. K. Kashyap +3 more
openaire +2 more sources
Journal of Phytopathology, 1986
Abstract Resistance of different cultivated and wild tomato plants (Lycopersicon spp.) to Botrytis cinerea Pers. 20 provenances of different cultivated and wild tomato plants (Lycopersicon spp.) were screened for resistance to Botrytis cinerea Pers. using an in vitro‐leaf necrosis test.The Botrytis resistance decreased with increasing age of the leaves
I. Urbasch
openaire +2 more sources
Abstract Resistance of different cultivated and wild tomato plants (Lycopersicon spp.) to Botrytis cinerea Pers. 20 provenances of different cultivated and wild tomato plants (Lycopersicon spp.) were screened for resistance to Botrytis cinerea Pers. using an in vitro‐leaf necrosis test.The Botrytis resistance decreased with increasing age of the leaves
I. Urbasch
openaire +2 more sources
Resistance in Lycopersicon spp. to the Tobacco Flea Beetle13
Journal of Economic Entomology, 1968A. G. Gentile, A. K. Stoner
openaire +2 more sources
Identification of DNA markers linked to fusarium wilt resistance in tomato (Lycopersicon spp.)
2023G. Piperidis
openaire +2 more sources