Results 11 to 20 of about 389,564 (265)

Techniques for the clonal forestry of Amazon tree species [PDF]

open access: yesPesquisa Agropecuária Brasileira
The objective of this review was to describe techniques applicable to the clonal forestry of amazon tree species, focusing on induction of epicormic sprouts, rescue, and vegetative propagation.
Agust Sales   +6 more
doaj   +2 more sources

Hybrids and mini-cutting: a powerful combination that has revolutionized the Eucalyptus clonal forestry [PDF]

open access: yesBMC Proceedings, 2011
Background Eucalypt canker disease (Chrysoporthe cubensis) was the main driver of the concept of eucalypt clonal forestry in Brazil. Initially clonal forestry was based on outstanding spontaneous hybrids resistant to canker disease. Since the recognition that cloning superior inter-specific hybrids could be an important general strategy, several ...
Assis Teotônio
doaj   +4 more sources

Quality of clonal plants of Piptocarpha angustifolia in different renewable substrates and seasons of the year [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2016
The objective of this work was to evaluate the effect of different compositions of renewable substrates and seasons of the year on the quality of Piptocarpha angustifolia clonal plants.
Carlos André Stuepp   +3 more
doaj   +2 more sources

Dynamics of adventitious rooting in mini-cuttings of Eucalyptus benthamii x Eucalyptus dunnii=Dinamica de enraizamento adventício em miniestacas de Eucalyptus benthamii x Eucalyptus dunnii [PDF]

open access: yesActa Scientiarum. Agronomy, 2012
It is possible to determine the optimum time for permanence of vegetative propagules (mini-cuttings) inside a greenhouse for rooting, and this value can be used to optimize the structure of the nursery. The aim of this study was to determine the dynamics
Antônio Natal Gonçalves   +5 more
doaj   +1 more source

STORAGE TIME EFFECT ON MINI-CUTTINGS ROOTING IN Tectona grandis LINN F. CLONES

open access: yesRevista Árvore, 2017
The study aimed to evaluate the influence of storage length on Tectona grandis mini-cuttings survival and rooting. A factorial arrangement (4 x 7) was utilized, based on four clones (Carapá, Ipê, GU5 and TB7) and seven time intervals from mini-cuttings ...
Yorleny Badilla   +2 more
doaj   +1 more source

Advantages of Clonal Forestry

open access: yesThe Forestry Chronicle, 1984
This article outlines and discusses the advantages of clonal forestry that were identified at the 1983 Canadian Tree Improvement Association Conference. Key Words: Breeding, Deployment, Diversity, Genetic correlation, Genetic gain, Hybrids, Inbreeding, Maturation state, Photosynthate allocation, Production efficiency, Silviculture, Site specificity
W. J. Libby, R. M. Rauter
openaire   +1 more source

Vegetative Propagation of Annatto( Bixa orellana) (Linn.)

open access: yesMadras Agricultural Journal, 2008
Improvement of forest species through breeding is difficult due to long generation times and operational difficulties. As a result, genetic gains in forestry have been few. Vegetative propagation is an effective tool for improvement in forestry and there
K. Nelson Navamaniraj   +2 more
doaj   +1 more source

Wild cherry (Prunus avium L.) breeding program aimed at the use of this tree in the Czech forestry

open access: yesJournal of Forest Science, 2002
The paper widely introduces European experience in wild cherry breeding because it is the first one from a prepared series of articles aimed at wild cherry breeding in the Czech Republic.
J. Kobliha
doaj   +1 more source

Influência da miniestaquia seriada no vigor radicular de clones de Eucalyptus grandis Influence of the serial minicutting technique on rooting vigor of Eucalyptus grandis clones

open access: yesRevista Árvore, 2005
O presente estudo teve por objetivo avaliar a influência da técnica de miniestaquia seriada no vigor radicular das mudas de quatro clones de Eucalyptus grandis.
Ivar Wendling, Aloisio Xavier
doaj   +1 more source

Floral Developmental Morphology and Biochemical Characteristics of Male Sterile Mutants of Lagerstroemia indica

open access: yesPlants
Male sterility is a common phenomenon in higher plants and often plays an important role in the selection of superior offspring. ‘Xiang Yun’ is a mutant of Lagerstroemia indica that does not bear fruit after flowering, and its flowering period is ...
Fuyuan Deng   +7 more
doaj   +1 more source

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