Results 101 to 110 of about 6,795 (205)

Biologia reprodutiva de Acacia mearnsii De Wild.: receptividade de estigmas Reproductive biology of Acacia mearnsii De Wild.: stigma receptivity

open access: yesRevista Árvore, 2008
O objetivo deste trabalho foi analisar a receptividade de estigmas de Acacia mearnsii De Wild. em 20 árvores da Área de Produção de Sementes (APS) da Fazenda Locatelli, da empresa SETA S.A., no município de Butiá (RS) e comparar os períodos de receptividade de estigmas e de viabilidade polínica em diversas fases da abertura floral.
Eudes Maria Stiehl-Alves   +1 more
openaire   +1 more source

Shifts in the bacterial community composition along deep soil profiles in monospecific and mixed stands of Eucalyptus grandis and Acacia mangium [PDF]

open access: yes, 2017
Our knowledge of the rhizosphere bacterial communities in deep soils and the role of Eucalyptus and Acacia on the structure of these communities remains very limited.
Avelino Maia de Andrade, Pedro   +7 more
core   +2 more sources

First Report of Ceratocystis Wilt of Acacia mearnsii in Uganda

open access: yesPlant Disease, 2001
Ceratocystis albofundus, the cause of Ceratocystis wilt of Acacia mearnsii, is known only from South Africa. The only known hosts of this fungus are A. mearnsii, Acacia decurrens, and two species of Protea (1). This pathogen causes stem cankers, xylem discoloration, wilt, and the death of susceptible A.
J, Roux   +2 more
openaire   +2 more sources

Socio-economic impacts and assessment biological invasions [PDF]

open access: yes, 2006
Biological invasions have been object of ecological research for years. As one objective, natural scientists investigate the effects of invasive species on ecosystems and their functioning (Levine et al. 2003).
Binimelis Adell, Rosa   +3 more
core  

Vegetation patterns associated with a large rock plate in the Meehan Range, Tasmania [PDF]

open access: yes, 2004
Rock outcrops provide unusual environmental conditions, often being the habitats of disjunct populations or rare species. A large rock plate on Mt Direction, within the Meehan Range, southeastern Tasmania, supports an open-heath of unusual floristic ...
Kirkpatrick, JB, Leeson, K
core   +2 more sources

Life cycle and host range of Phycitasp. rejected for biological control of prickly acacia in Australia [PDF]

open access: yes, 2015
Prickly acacia (Vachellia nilotica subsp. indica), a native of the Indian subcontinent, is a serious weed of the grazing areas of northern Australia and is a target for classical biological control. Native range surveys in India identified a leaf webber,
Aina   +40 more
core   +2 more sources

Ocorrência de Platypus sulcatus em acácia-negra (Acacia mearnsii). [PDF]

open access: yes, 2011
E reportada, pela primeira vez, a ocorrencia da broca do tronco, Platypus sulcatus Chapius, 1865, Coleoptera: Platypodidae (sinonimia P. plicatus Bretes, 1908) em plantios de Acacia-negra no Estado do Rio Grande do Sul.
SANTANA, D. L. de Q., SANTOS, A. F. dos
core  

Proposition d'un cadre de représentation des bioinvasions en milieu rural : cas de Acacia dealbata à Madagascar [PDF]

open access: yes, 2009
Dans certaines situations rurales où se conjuguent pauvreté des populations et rareté des ressources, l'analyse des conséquences de l'invasion d'une espèce ligneuse nécessite l'emploi d'un cadre d'approche large et objectif, qui inclue les interactions ...
Kull, Christian A.   +2 more
core  

First report of Phytophthora boehmeriae on black wattle in Brazil. [PDF]

open access: yes, 2017
Nota ...
LUZ, E. D. M. N.   +2 more
core   +1 more source

In vitro propagation of black wattle (Acacia mearnsii de Wild). [PDF]

open access: yes, 2014
Made available in DSpace on 2014-06-07T06:56:17Z (GMT). No. of bitstreams: 1 IPEF.pdf: 164143 bytes, checksum: a287e19c10ed0d41c48db497e61d54d1 (MD5) Previous issue date: 1998-10 ...
CORREIA, D., GRACA, M. E. C.
core  

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