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Mostrando ítems 71-80 de 453
Abundance, distribution and stable carbon isotope composition of leaf-waxes (n-alkanes & fatty acids) from surface lake sediments along a climatological gradient on the western side of the Southern An
(2018)
The climate in central to southern South America on the western side of the Andes is projected to become significantly warmer and drier over the next several
decades to centuries in response to climate change. In addition, ...
New sorghum leaf blight resistance sources: Identification, description and reactions of F1 hybridsNuevas fuentes de resistencia al tizón foliar del sorgo
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1987)
Phenological aspects and variation of chlorophylls a and b contents in caryocar-brasiliense camb
(Inst Tecnologia Parana, 1993-03-01)
There were detected variations of chlorophylls a and b during the senescence leaves period of Caryocar brasiliense Camb in the Corumbatai cerrado vegetation, State of São Paulo. The highest peak of total chlorophylls a and ...
Phenological aspects and variation of chlorophylls a and b contents in caryocar-brasiliense camb
(Inst Tecnologia Parana, 1993-03-01)
There were detected variations of chlorophylls a and b during the senescence leaves period of Caryocar brasiliense Camb in the Corumbatai cerrado vegetation, State of São Paulo. The highest peak of total chlorophylls a and ...
Resistência de cultivares de soja a Spodoptera frugiperda (J. E. SMITH) (LEPIDOPTERA: NOCTUIDAE
(Universidade Estadual Paulista (Unesp), 2010-02-22)
A cultura da soja representa um dos elementos mais fortes da economia brasileira. Entre os fatores que limitam o potencial de produtividade da soja estão às pragas. Dentre as diferentes espécies, Spodoptera frugiperda ...
Fenologia de Cedrela fissilis Vell. (Meliaceae) na região rural de Itirapina, SP, Brasil
(Sociedade Botânica do Brasil, 2005-09-01)
A fenologia de queda de folhas, brotação, floração e frutificação de Cedrela fissilis Vell. foi estudada de setembro/1999 a novembro/2001 na zona rural do Município de Itirapina, SP. Foram observados, a cada 14 dias, 10 ...
Environmental rugosity, body size and access to food: a test of the size-grain hypothesis in tropical litter ants
(2004)
In terrestrial walking organisms, long legs help to decrease the cost of running, allowing animals to step over environmental interstices rather than walking through them. However, long legs can complicate the infiltration ...
Suscetibilidade a inseticidas em linhagens de Spodoptera frugiperda (J. E. Smith, 1797) com resistência as proteínas de Bacillus thuringiensis berliner expressas em milho
(Universidade Federal de Santa MariaBrasilAgronomiaUFSMPrograma de Pós-Graduação em AgronomiaCentro de Ciências Rurais, 2019-01-24)
Fall armyworm, Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) is the
most important pest of maize in Brazil. The control of this species has been performed with Bt
maize and insecticides. ...
A REPORT OF SOME INVESTIGATIONS ON THE CORN INSECTS OF PUERTO RICOTítulo en español
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1941)
Tabelas de vida de fertilidade de Brevicoryne brassicae (L.) (Hemiptera: Aphididae) em condições de campo
(2002-12-01)
Studies related with life tables are fundamental for the understanding of the population dynamics of insects. In this work, Brevicoryne brassicae (L.) was studied during spring, summer, fall and winter through age-specific ...