Results 11 to 20 of about 172,996 (312)

Morfoanatomia e ontogenia de plântulas de Bactris maraja durante o desenvolvimento inicial

open access: yesPesquisa Florestal Brasileira, 2020
Bactris maraja é uma palmeira típica de florestas de terra firme e várzea da Amazônia. O conhecimento sobre a morfologia da espécie pode auxiliar na correta identificação em campo e na interpretação da germinação em laboratório.
Joelma Keith Rodrigues   +2 more
doaj   +1 more source

Genome-wide association study for resistance to Pseudomonas syringae pv. garcae in Coffea arabica

open access: yesFrontiers in Plant Science, 2022
Bacteria halo blight (BHB), a coffee plant disease caused by Pseudomonas syringae pv. garcae, has been gaining importance in producing mountain regions and mild temperatures areas as well as in coffee nurseries.
Caroline Ariyoshi   +18 more
doaj   +1 more source

Sink Status and Photosynthetic Rate of the Leaflet Galls Induced by Bystracoccus mataybae (Eriococcidae) on Matayba guianensis (Sapindaceae)

open access: yesFrontiers in Plant Science, 2017
The galling insect Bystracoccus mataybae (Eriococcidae) induces green and intralaminar galls on leaflets of Matayba guianensis (Sapindaceae), and promotes a high oxidative stress in host plant tissues.
Denis C. Oliveira   +4 more
doaj   +1 more source

Duração do ciclo de desenvolvimento de cultivares de arroz em função da emissão de folhas no colmo principal [PDF]

open access: yesCiência Rural, 2006
Uma das metas do melhoramento genético de arroz no Sul do Brasil ao longo dos últimos 40 anos foi modificar a duração do ciclo de desenvolvimento das cultivares.
Nereu Augusto Streck   +4 more
doaj   +1 more source

Plant Small RNA World Growing Bigger: tRNA-Derived Fragments, Longstanding Players in Regulatory Processes

open access: yesFrontiers in Molecular Biosciences, 2021
In the past 2 decades, the discovery of a new class of small RNAs, known as tRNA-derived fragments (tRFs), shed light on a new layer of regulation implicated in many biological processes.
Cristiane S. Alves, Fabio T. S. Nogueira
doaj   +1 more source

Micropropagation of Guadua chacoensis (Rojas) Londoño & P. M. Peterson

open access: yesPesquisa Agropecuária Tropical, 2019
The bamboo productive chain is still incipient in Brazil, and the low supply of plantlets due to low-efficient conventional propagation methods presents a significant bottleneck to its development.
Thiago Sanches Ornellas   +4 more
doaj   +1 more source

Genetic Progress of Seed Yield and Nitrogen Use Efficiency of Brazilian carioca Common Bean Cultivars Using Bayesian Approaches

open access: yesFrontiers in Plant Science, 2020
Common bean (Phaseolus vulgaris L.) is one of the most important crops worldwide and is considered an essential source of proteins, fibers, and minerals in the daily diet of several countries.
Douglas Mariani Zeffa   +14 more
doaj   +1 more source

Padrões de acúmulo de proteínas e carboidratos durante a embriogênese somática de Acca sellowiana [PDF]

open access: yes, 2009
The aim of this work was to quantify the protein, starch and total sugars levels during histodifferentiation and development of somatic embryos of Acca sellowiana Berg.
Cangahuala-Inocente, Gabriela Claudia   +3 more
core   +3 more sources

Effects of a commercial biocide, kasugamycin and consistency of the culture medium on the in vitro establishment of bamboo

open access: yesPesquisa Agropecuária Tropical, 2019
The contamination by microorganisms and oxidation of explants in the in vitro establishment of bamboo are recurrent problems for its micropropagation.
Daniela Werner Ribeiro dos Santos   +3 more
doaj   +1 more source

β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters

open access: yesScientific Reports, 2017
Production of citrus, the main fruit tree crop worldwide, is severely threatened by Huanglongbing (HLB), for which as yet a cure is not available. Spread of this bacterial disease in America and Asia is intimately connected with dispersal and feeding of ...
Berta Alquézar   +9 more
doaj   +1 more source

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