Results 1 to 10 of about 4,767 (138)

The survival, development, and reproduction of Gonipterus platensis (Coleoptera: Curculionidae) on the main Eucalyptus (Myrtaceae) genotypes planted in Brazil [PDF]

open access: yesPeerJ, 2022
Background Gonipterus platensis Marelli (Coleoptera: Curculionidae) is the main defoliating beetle of Eucalyptus L’Hér. (Myrtaceae) plants worldwide. The suitability of Eucalyptus to this pest varies among host plant genotypes.
Nádia Cristina de Oliveira   +7 more
doaj   +2 more sources

Effects of Mixed Eucalyptus urophylla×E. grandis with Manglietia conifera and Michelia hedyosperma on Soil Nutrients and Enzyme Activities

open access: yesGuangdong nongye kexue, 2022
【Objective】The study aimed to explore the changes of soil nutrients and enzyme activities under five afforestation models of Eucalyptus urophylla×E.
Jun LIU, Chun MAO, Xiaomei HAN, Mei YANG
doaj   +1 more source

Seletividade alimentar e influência da idade da folha de Eucalyptus SPP. para Thyrinteina Arnobia (Lepidoptera: Geometridae) Feeding selectivity and influence of leaf age of Eucalyptus SPP. for Thyrinteina Arnobia (Lepidoptera: Geometridae)

open access: yesPesquisa Agropecuária Brasileira, 1999
Thyrinteina arnobia (Stoll, 1782) (Lepidoptera: Geometridae) é considerada uma das mais sérias pragas do eucalipto no Brasil. Este trabalho foi realizado com o objetivo de estudar a preferência alimentar de T.
Raimunda Nonata Santos Lemos   +3 more
doaj   +1 more source

Genome-wide identification of microRNAs involved in the somatic embryogenesis of Eucalyptus

open access: yesG3: Genes, Genomes, Genetics, 2021
MicroRNAs (miRNAs) are small noncoding RNAs (18–24 nt) and function in many biological processes in plants. Although Eucalyptus trees are widely planted across the world, our understanding of the miRNA regulation in the somatic embryogenesis (SE) of ...
Zihai Qin   +7 more
doaj   +1 more source

Permeability measuremens of brazilian Eucalyptus

open access: yesMaterials Research, 2010
The permeability of Brazilian Eucalyptus grandis and Eucalyptus citriodora wood was measured in a custom build gas analysis chamber in order to determine which species could be successfully treated with preservatives. Liquid permeability was tested using
Marcio Rogério da Silva   +3 more
doaj   +1 more source

Crescimento e Produção de Eucalipto na Região do Médio Paraíba do Sul, RJ

open access: yesFloresta e Ambiente, 2017
RESUMO Objetivou-se avaliar a produção de sete materiais genéticos de Eucalyptus, implantados no Município de Paty do Alferes, Rio de Janeiro. Foram utilizadas quatro espécies de eucalipto, um híbrido Eucalyptus urophylla x E.
Dereck Halley Anthony Alves Ferreira   +5 more
doaj   +1 more source

Tolerance of eucalypt (Eucalyptus spp.) seedlings to imazapyr in nutritive solution Tolerância de mudas de eucalipto (Eucalyptus spp.) ao imazapyr, em solução nutritiva

open access: yesPlanta Daninha, 2004
Imazapyr has presented excellent results in controlling coppices in stand reforms of eucalypt forests, despite differences in the efficacy levels. To find out whether these different responses are caused by the genetic variability of the cultivated ...
C.M.M. Silva   +3 more
doaj   +1 more source

Comportamento de materiais genéticos de eucalipto em Paty do Alferes, RJ

open access: yesFloresta e Ambiente, 2023
Resumo Com o objetivo de avaliar o comportamento no campo de sete materiais genéticos de eucalipto no Município de Paty do Alferes, RJ, foi estabelecido um experimento em blocos casualizados, com três repetições e 35 plantas por unidade amostral ...
Márcio Marques Queiroz   +3 more
doaj  

Factors Limiting the Growth of Eucalyptus and the Characteristics of Growth and Water Use under Water and Fertilizer Management in the Dry Season of Leizhou Peninsula, China

open access: yesAgronomy, 2019
The growth rate of eucalyptus in the dry season was significantly lower than that in the wet season. However, the limiting factors of eucalyptus growth in the dry season are not clear.
Zhichao Wang   +4 more
doaj   +1 more source

Propriedades de chapas de flocos fabricadas com adesivo de uréia-formaldeído e de taninos da casca de Eucalyptus grandis W. Hill ex Maiden ou de Eucalyptus pellita F. Muell. Properties of flakeboards made from urea-formaldehyde and bark tannins adhesives of Eucalyptus grandis or Eucalyptus pellita

open access: yesRevista Árvore, 2004
Os taninos foram extraídos da casca de Eucalyptus grandis e Eucalyptus pellita, com água quente, à qual se adicionaram 4,5% de sulfito de sódio, durante três horas.
Angélica de Cássia Oliveira Carneiro   +3 more
doaj   +1 more source

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