Results 61 to 70 of about 743 (183)

Mechanisms and genetic control of interspecific crossing barriers in Lycopersicon

open access: yes, 1993
This study employs Lycopersicon esculentum and L. pennellii as model systems to study the interspecific reproductive barriers unilateral incongruity (UI), hybrid breakdown and interspecific aberrant ratio syndrome (IARS)
Mutschler, M.A. (Cornell Univ., Ithaca, NY (United States))   +1 more
core   +1 more source

Nonpreference of whitefly for oviposition in tomato genotypes

open access: yesScientia Agricola, 2002
The silverleaf whitefly is one of most important pests of tomato (Lycopersicon spp.). The use of host plant resistance to control this insect is an interesting, potentially useful technique, but in demand of more research.
Luciana Cláudia Toscano   +2 more
doaj  

Acylsugars in tomato leaflets confer resistance to the South American tomato pinworm, Tuta absoluta Meyr

open access: yesScientia Agricola, 2006
Acylsugars present in the accession 'LA716' of Lycopersicon pennellii play an important role in the resistance to Tuta absoluta. This paper investigates the possible association between the resistance to T.
Juliano Tadeu Vilela de Resende   +4 more
doaj  

Mechanisms and genetic control of interspecific crossing barriers in Lycopersicon. Second yearly progress report

open access: yes, 1993
This study employs Lycopersicon esculentum and L. pennellii as model systems to study the interspecific reproductive barriers unilateral incongruity (UI), hybrid breakdown and interspecific aberrant ratio syndrome (IARS)
Mutschler, M. A., McCormick, S.
core   +1 more source

Application of ISSR markers in the genus Lycopersicon

open access: yes, 2003
The level of polymorphism in tomato was studied using ISSR-PCR. Five tomato species: Lycopersicon esculentum, Lycopersicon pennellii, Lycopersicon cheesmanii, Lycopersicon humboldtii, Lycopersicon hirsutum and two Lycopersicon esculentum substitution ...
Khrustaleva, L.I.   +2 more
core   +1 more source

An integrated high-density RFLP-AFLP map of tomato based on two Lycopersicon esculentum x L. pennellii F2 populations

open access: yes, 1999
Two independent F2 populations of Lycopersicon esculentum×L. pennellii which have previously been investigated in RFLP mapping studies were used for construction of a highly saturated integrated AFLP map.
Peleman, J.   +8 more
core   +2 more sources

Genomic in situ hybridization analysis of a trigenomic hybrid involving Solanum and Lycopersicon species

open access: yes, 2001
A 4x potato ( ) tomato fusion hybrid (2n=4x=48) was successfully backcrossed with a diploid Lycopersicon pennellii (2n=2x=24). Genomic in situ hybridization (GISH) on somatic and meiotic chromosomes confirmed that the progenies were triploids (2n=3x=36 ...
Dirk Jan Huigen   +9 more
core   +1 more source

Differential zygotic abortion in an interspecific Lycopersicon cross

open access: yes, 1987
Monogenic segregations of seven isozyme markers were analyzed in F2 and reciprocal backcross progenies of an interspecific hybrid between Lycopersicon esculentum and L. pennellii (LA 716). In the F2 population, four markers, which map to three different
I. Gadish, D. Zamir
core   +1 more source

Trichomes of Lycopersicon spp. and their effect on Myzus persicae (Sulzer) (Hemiptera: Aphididae)

open access: yes, 2003
The green peach aphid (Myzus persicae) is becoming resistant to many of the pesticides used in the tomato (Lycopersicon esculentum) industry. A potential alternative method of control is host-plant resistance, which may be mediated by trichomes ...
Aaron T Simmons   +9 more
core   +1 more source

Genetic transformation of some Solanum and Lycopersicon wild species by leaf-discs method

open access: yes, 1993
Проводили исследования по генетической трансформации диких видов родов Solanum и Lycopersicon методом листовых дисков. Получены устойчивые к канамицину растения L. peruuianum var. humifusum, L. peruvianum Mill., L. pennellii, S.
Череп, Н.Н.   +3 more
core   +1 more source

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