Results 111 to 120 of about 1,341 (203)

Resistência de acessos de Lycopersicon a Stemphylium solani e S. lycopersici. [PDF]

open access: yes, 2014
A mancha-de-estenfílio, causada por Stemphylium solani e/ou S. lycopersici, é uma conhecida doença do tomateiro que voltou a ser importante, principalmente porque os atuais híbridos plantados no país não apresentam resistência.
REIS, A. BOITEUX, L. S.
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Efeito de genótipos de Lycopersicon spp. contendo diferentes teores de aleloquímicos sobre Phthorimaea operculella (Zell.)

open access: yes, 1996
This research was carried out to study the resistance of L. hirsutum f. glabratum, line PI 134417, to the leafrniner P. operculella and the relative importance of the allelochemicals 2-tridecanone (2-T) and 2-undecanone (2-U) in the manifestation of this
Vendramim, José Djair   +1 more
core   +1 more source

Caracterización de los ácidos húmicos extraídos de cuatro lombricompuestos y su efecto sobre la germinación de semillas de maíz Zea mays L., algodón Gossypium hirsutum y tomate Lycopersicon esculentum L.

open access: yesActa Agronómica, 1996
<p>The work perfomed to characterize the elemental composition and functional groups of humic acids extracted from four lombricompost cow dung, filter press cake of sugar cane, coffee pulp and grass residue the total content of essential elements ...
Gómez Zambrano Jairo   +2 more
doaj  

Zmienność somaklonalna w kulturach kalusowych Lycopersicon hirsutum f. typicum i Lycopersicon chilense

open access: yes, 2010
The aim of the study was to induce somaclonal variability in the callus culture of L. hirsutum f. typicum and L. chilense and to characterize them in respect to tolerance to salinity.
Kulpa, D.   +3 more
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Entrapment of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) on glandular trichomes of Lycopersicon species

open access: yes, 2004
Cotton bollworm, Helicoverpa armigera (Hübner), is a major pest of tomato (Lycopersicon esculentum) in Australia. Host-plant resistance may prove an alternative to current control methods. The role of entrapment in glandular-trichome-induced mortality of
Nicol, Helen I.   +4 more
core   +1 more source

Combining ability and genetic diversity of Lycopersicon spp. resistance sources and populations of Tuta absoluta

open access: yes, 2002
Esta pesquisa foi realizada com os objetivos de avaliar a diversidade de genótipos de Lycopersicon spp. quanto a resistência ao ataque de Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), estudar as capacidades geral e específica de combinação do ...
Suinaga, Fábio Akiyoshi
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Resistance of two accessions of Lycopersicon hirsutum f. glabratum C. H. Mull to apterous forms of the pink potato aphid, Macrosiphum euphorbiae (Thomas) (Homoptera: Aphididae)

open access: yes, 1996
Potato aphid, Macrosiphum euphorbiae (Thomas), populations under field and greenhouse conditions were significantly lower on plants of Lycopersicon hirsutum f. glabratum C. H. Mull, accessions PI 126449 and PI 134417, than on L. esculentum.
Musetti, Luciana
core  

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