Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Blanche Dansereau is active.

Publication


Featured researches published by Blanche Dansereau.


Plant Growth Regulation | 1995

The influence of light quality on rose flower senescence: involvement of abscisic acid

G. Garello; Claudine Ménard; Blanche Dansereau; Marie-Thérèse Le Page-Degivry

The aim of this work was to study the impact of light applied during preharvest culture on the subsequent senescence of cut rose flower and to analyse the possible involvement of abscisic acid (ABA). The longevity of cut rose flowers was longer when rose plants were previously grown under high pressure sodium lamps than under metal halide lamps. A change in light source did not lead to a change in leaf ABA content but significantly affected the petal ABA content. The relationship between ABA level and flower longevity, previously reported for differences of genetic origin, was again observed for culture-induced differences: the higher the ABA level at harvest, the shorter the vase-life observed.


Plant and Soil | 2009

Phalaenopsis can absorb urea directly through their roots

Martin Trépanier; M. P. Lamy; Blanche Dansereau

Phalaenopsis cultivars are epiphytic orchid plants with high economic value, largely produced across the world as potted plants or cut flowers. The goal of this experiment is to show if aseptic (in vitro) Phalaenopsis plants can absorb urea with their roots. Young in vitro Phalaenopsis plants were transferred aseptically to a growth medium (solid or liquid) where the three forms of nitrogen (nitrate, ammonium and urea) are equally present and where only one form at a time is marked with 15N. The 15N analysis of the younger leaves of each plant shows that urea and ammonium are the two preferred forms of nitrogen absorbed, with respectively 47% and 41% of the total amount, while nitrate is only absorbed to a level of 12%. The medium analysis revealed that no urea hydrolysis occurred before root absorption. Phalaenopsis roots, probably because of the special nature of velamen, can absorb large amounts of nitrogen directly in urea form. This experiment suggests that the medium of Phalaenopsis in vitro plants could advantageously contain a large proportion of nitrogen in urea form, and that this concept could probably be applied to fertilizer solutions used in growing Phalaenopsis pot plants and other orchids species.


Horttechnology | 2001

Effect of Artificial Substrate Depth on Freezing Injury of Six Herbaceous Perennials Grown in a Green Roof System

Marie-anne Boivin; M. P. Lamy; André Gosselin; Blanche Dansereau


Acta Horticulturae | 1996

INFLUENCE OF NITROGEN SUPPLY ON ABA LEVELS AND FLOWER SENESCENCE IN ROSA HYBRIDA CV ROYALTY

Claudine Ménard; Blanche Dansereau; G. Garello; M.Th. Le Page-Degivry


Canadian Journal of Plant Science | 1998

Incorporation de résidus organiques dans un substrat tourbeux pour la production d'impatiens et de géraniums

Fabienne Gauthier; Serge Gagnon; Blanche Dansereau


Acta Horticulturae | 1996

IMPACT OF CULTURE CONDITIONS ON SUBSEQUENT CUT FLOWER LONGEVITY IN 3 CULTIVARS OF ROSES: INVOLVEMENT OF ABA.

G. Garello; M.Th. Le Page-Degivry; Claudine Ménard; Blanche Dansereau


Hortscience | 1996

Influence of Substrate, Auxin, and Propagation Period on Rooting of Eight Florist Azalea Cultivars

Marie-Josee Lambert; Blanche Dansereau; Fabienne Gauthier


Hortscience | 1996

Impact of Pinching Method and Number of Cuttings on Growth of Eight Florist Azalea Cultivars

Fabienne Gauthier; Blanche Dansereau; Marie-Josee Lambert


Hortscience | 1995

EVALUATION OF ORGANIC RESIDUES FOR THE PRODUCTION OF FLOWERING POT PLANTS

Fabienne Gauthier; Blanche Dansereau; Serge Gagnon


Hortscience | 1995

Evaluation of a Green Roof System in a Northern Climate: The Effects of a Roof Microclimate on Growth and Development of Six Herbaceous Perennials

Marie-anne Boivin; Blanche Dansereau; André Gosselin

Collaboration


Dive into the Blanche Dansereau's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar

G. Garello

University of Nice Sophia Antipolis

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Researchain Logo
Decentralizing Knowledge