Arthropod communities related to different mixtures of oil [Glycine max L. Merr.] and essential oil [Artemisia annua L.] crops

Plants can host many herbivores and their natural enemies during their growth cycles. For this reason, changes in the relative abundance of crop and weed plants in a monocropping system as well as different crop plants in an intercropping system may produce great bottom up impacts in the specific an...

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Detalles Bibliográficos
Otros Autores: Lenardis, Adriana Ester, Morvillo, Claudia Mariela, Gil, Alejandra, De la Fuente, Elba Beatriz
Formato: Artículo
Lenguaje:Inglés
Materias:
CROP
HERBIVORES
VOLATILE ORGANIC COMPOUNDS [VOCS]
WEED
ARGENTINA
ARTEMISIA ANNUA
ASTERACEAE
BIOMASS PRODUCTIONS
CROP MANAGEMENTS
CROP PLANTS
CROP PRODUCTION
CROP PRODUCTIVITY
CROP YIELD
EXPLANATORY VARIABLES
FIELD EXPERIMENT
FUNCTIONAL STRUCTURE
GLYCINE MAX
GROWTH CYCLE
MONOCROPPING
MORPHO-SPECIES
NATURAL ENEMIES
PEST MANAGEMENT
RELATIVE ABUNDANCE
REPRODUCTIVE STAGE
TOTAL BIOMASS
WEED PLANTS
AMINO ACIDS
ANIMALS
BIODIVERSITY
BIOMASS
CROPS
CULTIVATION
FUNCTIONAL GROUPS
NITROGEN FIXATION
PLANTS [BOTANY]
VOLATILE ORGANIC COMPOUNDS
WELL STIMULATION
ESSENTIAL OILS
ARTHROPOD
BIOCONTROL AGENT
BIOLOGICAL CONTROL
COMMUNITY STRUCTURE
DICOTYLEDON
ESSENTIAL OIL
EXPERIMENTAL STUDY
FLOWERING
HERBIVORE
HOST PLANT
HYPOTHESIS TESTING
INTERCROPPING
MULTIVARIATE ANALYSIS
NATURAL ENEMY
SOYBEAN
VARIANCE ANALYSIS
VOLATILE ORGANIC COMPOUND
ARTHROPODA
FABACEAE
Acceso en línea:http://ri.agro.uba.ar/files/intranet/articulo/2011Lenardis.pdf
LINK AL EDITOR
Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central (FAUBA) de Universidad de Buenos Aires
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245 1 0 |a Arthropod communities related to different mixtures of oil [Glycine max L. Merr.] and essential oil [Artemisia annua L.] crops 
520 |a Plants can host many herbivores and their natural enemies during their growth cycles. For this reason, changes in the relative abundance of crop and weed plants in a monocropping system as well as different crop plants in an intercropping system may produce great bottom up impacts in the specific and functional structure of spontaneous communities of arthropods. The hypothesis of this study was that the combination of two contrasting species, soybean [Glycine max, Fabaceae, N 2 fixing plant] and annual wormwood [Artemisia annua, Asteraceae, VOCs plant], would be related to different spontaneous communities of arthropods depending on the proportion of each species, and this would favor crop biodiversity without compromising crop production. The objectives of the study were: [a] to analyze the differences of spontaneous communities of arthropods related to different soybean [S]-annual wormwood [W] mixtures, using standard crop management for S production in Argentina, [b] to determine S and W total biomass and W essential oil content and yield and, [c] to analyze the relationship between arthropod communities and crop productivity. Factorial field experiments with 3 replications were done during 2006 and 2007. S density was kept constant [40plantsm -2] and different W densities [plantsm -2] were added. Treatments were pure S, S+2W, S+4W, S+8W and pure W [8plantsm -2]. Arthropods were sampled at soybean full flowering and were classified in functional groups as herbivores and non-herbivores. S and W total and relative biomass and W essential oil content and yield from leaves and inflorescences were estimated in reproductive stage. Arthropod morphospecies abundance and richness were determined for each treatment. Data were analyzed using uni [ANOVA] and multivariate [CCA] techniques. Arthropods belonging to 7 orders presented a total richness of 48 morphospecies in 2006 and 36 in 2007, while total abundance was 379 in 2006 and 318 in 2007. The proportion of non-herbivores was higher than the proportion of herbivores. Different arthropod communities were observed according to each treatment. No differences were found among treatments in S+W and S total biomass production, while W total biomass and essential oil yield were both different among treatments. Relative biomass production of S and W was the main explanatory variable related to the contrast of arthropod communities between pure annual wormwood [W] and the rest of the treatments. Annual wormwood could be used as an accompanying essential oil crop or left as a weed in the densities tested in this work, favoring biodiversity and, eventually, pest management without compromising soybean crop yield. 
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773 |t Industrial Crops and Products  |g Vol.34, no.2 (2011), p.1340-1347 
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900 |a HERBIVORES 
900 |a VOLATILE ORGANIC COMPOUNDS [VOCS] 
900 |a WEED 
900 |a ARGENTINA 
900 |a ARTEMISIA ANNUA 
900 |a ASTERACEAE 
900 |a BIOMASS PRODUCTIONS 
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900 |a ARTHROPOD 
900 |a BIOCONTROL AGENT 
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900 |a DICOTYLEDON 
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900 |a EXPERIMENTAL STUDY 
900 |a FLOWERING 
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900 |a HOST PLANT 
900 |a HYPOTHESIS TESTING 
900 |a INTERCROPPING 
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900 |a NATURAL ENEMY 
900 |a RELATIVE ABUNDANCE 
900 |a SOYBEAN 
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900 |a FABACEAE 
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