Results 1 to 10 of about 2,336 (156)

Development of Bemisia tabaci (Gennadius,1889) biotype B on Lycopersicon spp. genotypes [PDF]

open access: goldScientia Agricola, 2002
Whiteflies are phytophagous insects, whose nymphs and adults suck the phloem sap, causing direct damage due to host plant weakness. In tomato (Lycopersicon spp.) crops, they are important vectors of limiting fitoviruses.
Marilene Fancelli, Vendramim José Djair
doaj   +3 more sources

Resistance mechanisms in Lycopersicon spp. to tomato powdery mildew (Oidium neolycopersici) [PDF]

open access: goldPlant Protection Science, 2002
Limited information on the resistance mechanisms in Lycopersicon spp. to Oidium neolycopersici is still available. Macroscopically the resistance is characterized by a very low amount of mycelium development and a lack of sporulation.
A. Lebeda   +3 more
doaj   +2 more sources

COMBINING ABILITY ANALYSIS IN DIALLEL CROSSESِ OF TOMATO ( Lycopersicon Spp.) [PDF]

open access: goldMesopotamia Journal of Agriculture, 2010
An experiment was conducted by using four tomato genotypes vs. (1)the wild species (L.pimpinellifolium) and three varieties of cultivated tomato (Lycopersicon esculentum Mill.) namely (2) Pearson (3) Early Parson (4) mahaly (karmless).The objectives of ...
Majid K.AL-Kummer
doaj   +2 more sources

Case study of host-pathogen interaction: tomato (Lycopersicon spp.)-tomato powdery mildew (Oidium lycopersici) - a review [PDF]

open access: hybridPlant Protection Science, 2000
The present paper tries to demonstrate progress and gap of knowledge in plant pathology through the tomato - tomato powdery mildew host-pathogen interaction as a model.
Aleš Lebeda, Barbora Mieslerová
doaj   +2 more sources

Controle biológico de Rhizoctonia solani por Trichoderma spp. e Pseudomonas ssp fluorescente em tomateiro (Lycopersicon esculentum L.)

open access: greenSemina: Ciências Agrárias, 1993
Três isolados de Pseudomonas spp. fluorescentes e dois de Trichoderma spp. foram selecionados in vitro pelo seu potencial de biocontrole de Rhizoctonia solani. Semente de tomateiro Lycopersicon esculentum L., cv.
Zenaldo Porfirio-Silva, Martin Homechin
doaj   +3 more sources

Toxicidade para lagartas de Phthorimaea operculella (Zell.) dos aleloquímicos 2-tridecanona e 2-undecanona presentes em tomateiro (Lycopersicon spp.) Toxicity of 2-tridecanone and 2-undecanone allelochemicals present in tomato (Lycopersicon spp.) for Phthorimaea operculella (Zell.) larvae [PDF]

open access: goldScientia Agricola, 1995
Avaliou-se a toxicidade para Phthorimaea operculella (Zell.) dos aleloquímicos 2-trídecanona e 2-undecanona, presentes nos exsudatos glandulares dos tricomas de Lycopersicon spp. Determinou-se a toxicidade dos exsudatos de L. hirsutum f.
M.U. Ventura, J.D. Vendramim
doaj   +2 more sources

Resistance of 14 accessions/cultivars of Lycopersicon spp. to two-spotted spider mite, Tetranychus urticae (Acari: Tetranychidae), in laboratory and greenhouse [PDF]

open access: greenنامه انجمن حشره‌شناسی ایران, 2012
Fourteen accessions and cultivars of Lycopersicon spp. were studied to evaluate their resistance to two-spotted spider mite, Tetranychus urticae Koch, under laboratory and greenhouse conditions.
N. K. Krishna Kumar   +4 more
doaj   +4 more sources

The Effects of Kiwi on Physiology Parameters in Tomato (Lycopersicon esculentum) Infected With Broomrapes (Orobanche spp) [PDF]

open access: greenJournal of Agricultural Science and Sustainable Production, 2020
Background and Objective: The goals of study were to recognize the effect of Kiwi on physiology and growth parameters in tomato infected with broomraps.
Asrin Arshi   +2 more
doaj   +2 more sources

Identificación y análisis de secuencias de retrotransposones en Lycopersicon spp

open access: greenRevista Colombiana de Biotecnología, 1999
Secuencias de retrotransposones del tipo Ty3/gypsy fueron identificadas en los genomas de tomate (Lycopersicon esculentum) y otras especies de Lycopersicon por medio de análisis de PCR.
M. Cristancho
doaj   +1 more source

Characterization of native strains of Azotobacter spp. and its effect on growth of Lycopersicon esculentum Mill. “tomato” in Lambayeque

open access: goldScientia Agropecuaria, 2011
The objective of this research was characterize and determine the effect of native strains of Azotobacter spp. on the vegetative growth of Lycopersicon esculentum Mill. "Tomato" as an alternative to the indiscriminate use of chemical fertilizers. Samples
Cynthia Escobar   +3 more
doaj   +3 more sources

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