Potentiel d’adaptation et de croissance d’arbustes ornementaux à fleurs évalués sous les conditions climatiques du Québec et du nord-est ontarien

1993 ◽  
Vol 73 (4) ◽  
pp. 1137-1148 ◽  
Author(s):  
C. Richer-Leclerc ◽  
J. Côté ◽  
J. A. Rioux ◽  
M. F. Beaudoin ◽  
D. Lapointe ◽  
...  
Keyword(s):  
Key Words ◽  
Mechanical Damage ◽  
Climatic Conditions ◽  
Winter Hardiness ◽  
Growth Potential ◽  
The Other ◽  
Viburnum Opulus ◽  
Winter Conditions ◽  
Deciduous Shrubs ◽  
Biogeographic Regions

Seven flowering cultivars of deciduous shrubs were evaluated for their winter hardiness and their growth potential to provide adequate recommendations regarding their adaptation to different climatic conditions. Plants were grown at eight sites in Québec and one in northeastern Ontario in order to cover three broad biogeographic regions. Hydrangea paniculata ’Grandiflora’, Kerria japonica (L.) DC., Potentilla fruticosa ’Goldfinger’, Prunus × cistena N.E. Hansen, Prunus tomentosa Thunb., Viburnum opulus ’Compactum’ and Weigela hybrida ’Brystol Ruby’ were used. Potentilla and Viburnum were not affected by winter conditions at any of the sites, whereas Hydrangea, Kerria and Weigela did not survive at Kapuskasing. Our results indicated that Weigela was adapted to zone 5b only, whereas Kerria should not be recommended in any zone tested. Although the other species were adapted throughout Quebec, their production was superior in the Montreal region. Annual pruning of Kerria and Weigela was related exclusively to winter damage. For the other species, pruning is related to winter, rodent and mechanical damage. Key words: Winter hardiness, growth potential, winter damage

Évaluation de la rusticité et de la croissance d'arbustes ornementaux à feuillage caduc

1994 ◽  
Vol 74 (3) ◽  
pp. 615-622
Author(s):  
C. Richer-Leclerc ◽  
J. Côté ◽  
J. A. Rioux ◽  
D. Lapointe ◽  
L. Guillemette ◽  
...  
Keyword(s):  
Key Words ◽  
Climatic Conditions ◽  
Winter Hardiness ◽  
Growth Potential ◽  
Cornus Alba ◽  
Winter Conditions ◽  
Salix Purpurea ◽  
Physocarpus Opulifolius ◽  
Deciduous Shrubs

The winter hardiness and growth potential of 10 cultivars of deciduous shrubs were evaluated to determine their adaptability to climatic conditions. Plants were grown at eight sites in Quebec and at one site in northeastern Ontario (zones 2, 4 and 5). Cornus alba 'Argenteo-Marginata' and 'Sibirica', Lonicera korolkowii var. Zabelli, Lonicera korolkowii var. morrowii, Lonicera × xylosteoides 'Clavey's Dwarf', Physocarpus opulifolius, Physocarpus opulifolius 'Aureus' and 'Nanus', Salix purpurea 'Nana' and Salix elaeagnos were used. Cornus alba 'Sibirica' and L. × xylosteoides 'Clavey's Dwarf' were not affected by winter conditions at any of the sites, whereas L. korolkowii var. Zabelli and L. morrowii were severely affected, particularly in zone 2. Our results indicated that S. purpurea 'Nana' was more frost resistant than S. elaeagnos. The two cultivars of Physocarpus were slightly less winter hardy than the species. None of the 10 species could be grown commercially in zone 2a. Growth of S. purpurea 'Nana', S. elaeagnos and P. opulifolius 'Aureus' was limited in zones 4b and 5. The hardiness zones of the 10 species were made more precise, established or modified. Key words: Hardiness, growth potential, winter damage, shrubs, hedges

Évaluation de la tolérance de Betula pendula et de Betula nigra aux conditions climatiques du nord-est canadien

1997 ◽  
Vol 77 (3) ◽  
pp. 445-451
Author(s):  
C. Richer-Leclerc ◽  
J. A. Rioux ◽  
S. Végiard ◽  
J. Côté ◽  
L. Guillemette
Keyword(s):  
Key Words ◽  
Betula Pendula ◽  
Climatic Conditions ◽  
Winter Hardiness ◽  
Growth Potential ◽  
Damage Growth ◽  
Winter Conditions ◽  
Potential Evaluation

A 5-yr study was conducted to evaluate the winter hardiness and growth potential of seedlings of Betulapendula and Betulanigra in order to provide adequate recommendations regarding their adaptation to different climatic conditions. Plants were grown at nine sites of the Réseau d'Essais des Plantes Ligneuses Ornementales du Québec. Betulapendula and B. nigra were not severely affected by winter conditions at any sites and could be used in zones 2 and 2a, respectively. Although, B. pendula could be successfully grown in all tested area, B. nigra could be better produced in zone 5. Key words: Betulapendula, Betulanigra, birch, hardiness, winter damage, growth potential, evaluation

Use of Ornamental Trees in Dating of Abandoned Cemeteries on the Example of Thuja Occidentalis and Thuja Orientalis

2012 ◽  
Vol 1 (1) ◽  
pp. 45-50
Author(s):  
Magdalena Opała ◽  
Leszek Majgier
Keyword(s):  
Climatic Conditions ◽  
The Other ◽  
Lake District ◽  
Thuja Occidentalis ◽  
North Eastern ◽  
The 1960S ◽  
Thuja Orientalis ◽  
Ornamental Trees ◽  
Common Tree ◽  
Local Habitat

Abstract Due to the lack of maintenance, abandoned cemeteries are often incorporated into the landscape. In many cases the information about the age of the cemetery is unavailable. To find out the approximate time of the formation of the cemetery the information recorded in the annual tree and shrub rings can be used. One of the most common tree species, planted for ornamental and symbolic purposes on the cemeteries, are Thuja orientalis and Thuja occidentalis. Alien to the Polish flora, these species adapted well to the local habitat and climatic conditions. The paper presents an attempt to apply dendrochronological dating to determine the age of the abandoned cemeteries in the region of the Great Masurian Lakes, part of the Masurian Lake District (north-eastern Poland). The study included five abandoned cemeteries. In total, 15 cores were taken from the trees. After applying the standard dendrochronological method, local chronologies for the studied species were established. The research indicated that the oldest found specimens - over 70 yrs old - are Thuja occidentalis individuals growing at the Słabowo cemetery. At the other sites the specimens of both Thuja species date back to the 1960s and early 1970s. Compared to the historical information regarding the age and origin of the studied objects, thujas growing there are much younger than the age of the cemeteries foundation. The presented method proved to be very helpful in understanding the time of Thuja occidentalis and Thuja orientalis introduction at the investigated cemeteries.

HISTOPATHOLOGY OF THE PIGMENTED TUMORAL-LIKE LESIONS OF THE SKIN AT HUE HOSPITAL OF MEDICINE AND PHARMACY UNIVERSITY

2018 ◽  
Vol 8 (4) ◽  
pp. 65-69
Author(s):  
Mao Nguyen Van ◽  
Dong Tran Nam
Keyword(s):  
Key Words ◽  
Definitive Diagnosis ◽  
The Other ◽  
Cell Tumour ◽  
Cross Sectional ◽  
Skin Tumour ◽  
Clinical Appearance ◽  
The Face ◽  
The Common ◽  
Difficult Cases

Background: Pigmented tumour of the skin is one of the common tumour in human including the benign pigmented tumours (more common) called Nevi tumours and the malignant one called melanoma which was less frequent but the most poor in prognosis. In addition, the others not belonging to these group had the same clinical appearance, so the application of histopathology and immunohistochemistry for the definitive diagnosis was indespensible. Objectives: 1. To describe the macroscopic features of the pigmented tumoral-like lesions; 2. To classify the histopathologic types of the pigmented cell tumours and the other pigmented tumours of the skin. Materials and Method: Cross-sectional research on 55 patients diagnosed as pigmented tumoral lesions by clinician, then all definitively diagnosed by histopathology combining the immunohistochemistry in difficult cases. Results: There was no difference in gender, the disease was discovered most common in adult, especially with the age over 51 years old (58.1%). the most region located was in the face accounting for 60%, following the trunk and limbs (14.6%, 12.8% respectively). All 3 malignant melanomas happened in foot. The most common color of the lesions was black (65.4%), the other ones were rose, grey and blue. Histopathology and immunohisthochemistry showed that the true pigmented cell tumours were 52.6% encompassing benign ones (Nevi tumour) (41.8%), melanoma (5.4%) and lentigo (5.4%). 47.4% was not the true pigmented cell tumour including pigmented basocellular carcinoma (36.4%) and the others less common as histiofibromas, acanthoma and papilloma. Conclusion: the pigmented tumoral-like lesions of the skin could be the true pigmented cell tumours and the others, so the application of the histopathology and the immunohistochemistry after the clinical discovery helps to determine and classify the disease definitely and for the best orientation of treatment as well. Key words: skin tumour, benign pigmented tumour (Nevi), malignant pigmented tumour (melanoma), pigmented basocellular carcinoma

scholarly journals Effect of seed treatment and foliar spray with fungicides in controlling black point disease of wheat

1970 ◽  
Vol 34 (3) ◽  
pp. 425-434 ◽  
Author(s):  
PK Malaker ◽  
IH Mian
Keyword(s):  
Economic Analysis ◽  
Grain Yield ◽  
Key Words ◽  
Seed Weight ◽  
Seed Treatment ◽  
Foliar Spray ◽  
The Other ◽  
Gross Margin ◽  
Black Point ◽  
Wheat Seeds

The efficacy of seed treatment and foliar spray with fungicides in controlling black point incidence of wheat seeds was evaluated in the field. Two seed treating fungicides, namely Vitavax-200 and Homai-80WP were used @ 0.25% of dry seed weight and foliar spray with Tilt-250EC (0.05%) was applied in six different schedules. Untreated and unsprayed controls were also maintained. Seed treatment with either Vitavax-200 or Homai-80WP significantly increased plant population and grain yield, but none of them was found effective in reducing black point incidence. On the other hand, foliar sprays with Tilt-250EC under all the spray schedules except spraying at 70 and 90 DAS significantly minimized the disease severity over unsprayed control. Among the different spray schedules, spraying at 30, 40, 50, 60, 70, 80, and 90 DAS appeared to be most effective, which was similar to spraying at 30, 45, 60, 75, and 90 DAS in reducing black point incidence and increasing grain yield. Economic analysis on yield advantage showed that the highest additional gross margin of Tk. 6120/ha with BCR 2.57 was obtained from five sprays applied at 30, 45, 60, 75, and 90 DAS. Key Words: Seed treatment, foliar spray, black point, wheat. DOI: 10.3329/bjar.v34i3.3968 Bangladesh J. Agril. Res. 34(3) : 425-434, September 2009

Some effects of the diet of mice on Nematospiroides dubius (Nematoda)

Parasitology ◽  
1969 ◽  
Vol 59 (1) ◽  
pp. 203-213 ◽  
Author(s):  
R. J. Bawden
Keyword(s):  
Technical Assistance ◽  
Growth Potential ◽  
The Other ◽  
Adequate Diet ◽  
Female Mice ◽  
Other Hand ◽  
Australian Wool ◽  
Nematospiroides Dubius

The establishment of N. dubius juveniles was more successful in mice maintained on a diet inadequate to support the full growth potential of the animals than in mice maintained on an adequate diet. The distribution of encysted juveniles along the duodenum was considerably more extensive in the former group of mice.More juveniles were established in male than in female mice within the respective dietary groups, although the pattern of distribution was similar.The distribution of adult nematodes at 10 days after infection was confined to a smaller area of the duodenum than that of the encysted juveniles at 5 days.The differences in distribution of nematodes after 5 and 10 days between the HP and LP mice was not evident after 21 days. The survival of adult nematodes in the HP mice was more successful than in the LP animals.The female nematodes in the LP mice achieved a greater length but were less prolific egg producers than those in the HP mice.A diet inadequate to support the full growth potential of mice was therefore associated with the increased ability of Nematospiroides dubius juveniles to establish themselves in mice compared with the situation in adequately fed animals. The low plane diet, on the other hand, was associated with a decreased ability of the adult nematodes to survive.This work was supported by grants from the Commonwealth Scholarship and Fellowship Plan and the Australian Wool Board. I should like to express my appreciation for the supervision of this work by Professor J. F. A. Sprent and to thank Miss Sharon McFeeter and Mrs Anne McKeown for their most competent technical assistance.

Japan's Role in Asia-Pacific Cooperation

1991 ◽  
Vol 513 (1) ◽  
pp. 25-37 ◽  
Author(s):  
SABURO OKITA
Keyword(s):  
United States ◽  
Economic Growth ◽  
International Economic ◽  
The United States ◽  
Growth Potential ◽  
The Other ◽  
Asia Pacific ◽  
Asia Pacific Economic Cooperation ◽  
Rapid Economic Growth ◽  
International Trading

The Asia-Pacific countries achieved rapid economic growth with the flying-goose model in the 1980s, growth buttressed by export-oriented development strategies and the policy culture in these countries. While Japan and the other Asia-Pacific countries still have strong growth potential, many problems remain, including trade imbalances with the United States and the rise of protectionism there, the Asia-Pacific economies' vulnerability, and the need to consolidate the infrastructure for growth. It is imperative that Japan contribute to the development of the region by responding effectively to these issues and that it strengthen the international trading arrangements by promoting Asia-Pacific cooperation premised on openness. Given the region's great internal diversity, Asia-Pacific economic cooperation can well serve as a model for international economic coordination.

Structural effects on chemo- and enantioselectivity of Candida antarctica lipase B - Resolution of β-amino esters

2002 ◽  
Vol 80 (6) ◽  
pp. 565-570 ◽  
Author(s):  
Szilvia Gedey ◽  
Arto Liljeblad ◽  
László Lázár ◽  
Ferenc Fülöp ◽  
Liisa T Kanerva
Keyword(s):  
Key Words ◽  
Candida Antarctica ◽  
Diisopropyl Ether ◽  
The Other ◽  
Candida Antarctica Lipase B ◽  
Candida Antarctica Lipase ◽  
Structural Effects ◽  
Lipase B ◽  
Amino Esters ◽  
Catalyzed Reactions

The Candida antarctica lipase B-catalyzed reactions of five β-amino esters with neat butyl butanoate and with 2,2,2-trifluoroethyl butanoate in diisopropyl ether were studied, as were the reactions of the same β-amino esters and their N-butanamides with neat butanol. The possibility for sequential resolution, where the amino and ester functions of the substrate both react with an achiral butanoate, became less likely with increasing size of the substrate from ethyl 3-aminobutanoate (1a) to pentanoate (1b) or larger. On the other hand, the alcoholyses of N-acylated β-amino esters successfully proceeded in butanol with E > 100. Gram-scale resolution of the N-butanoylated 1a was performed to demonstrate the usefulness of the method. Key words: lipase, interesterification, acylation, alcoholysis, resolution, β-amino esters.

A field study of competition and interaction between Lemna minor and Lemna trisulca

1989 ◽  
Vol 67 (10) ◽  
pp. 2904-2911 ◽  
Author(s):  
Alexander L. McIlraith ◽  
Gordon G. C. Robinson ◽  
Jennifer M. Shay
Keyword(s):  
Life History ◽  
Field Study ◽  
Key Words ◽  
Field Experiments ◽  
Lemna Minor ◽  
Survey Methods ◽  
The Other ◽  
Transplant Experiment ◽  
Replacement Series ◽  
Vegetative Biomass

Field experiments and survey methods were used to assess competition and interaction between Lemna minor L. and Lemna trisulca L. at Delta Marsh, Manitoba. Sites were dominated by one or the other species or codominated by both. Replacement series experiments predicted codominance of L. minor and L. trisulca in an unshaded eutrophic site but predicted L. minor dominance when run for a longer time. Similar experiments conducted in a shaded eutrophic site predicted L. minor dominance. Addition series experiments showed that intraspecific and interspecific competition occurred in the unshaded site. In a eutrophic unshaded ditch, high densities of L. minor suppressed L. trisulca. In a eutrophic shaded site, high densities of L. minor and green algae inhibited L. trisulca, and in a sunny, less eutrophic site high density of each species inhibited the other. In a transplant experiment, L. minor biomass in shaded enclosures approached that found naturally in two shaded sites. Lemna trisulca persisted when shaded. Vegetative biomass trends in an unshaded eutrophic marsh ditch indicated spring and fall L. trisulca dominance and summer L. minor dominance. Shaded eutrophic sites were dominated by L. minor, whereas a less eutrophic site was dominated by L. trisulca. A model is developed to explain dominance patterns, and seasonal life-history responses are considered. Key words: Lemna, duckweed, competition, interaction, resources, light, nutrients.

Il filosofo e il cineasta. Una discussione sull'immagine cinematografica

PARADIGMI ◽  
2009 ◽  
pp. 45-51
Author(s):  
Mauro Carbone
Keyword(s):  
Key Words ◽  
Present Article ◽  
Gestalt Psychology ◽  
The Other ◽  
Significant Feature ◽  
Christian Metz ◽  
Negative Judgement

- Image The present article focuses on two topics underlying the lecture given by Maurice Merleau-Ponty in 1945 at the Institut des Hautes Études Cinématographiques, in Paris. One is the reflection on the peculiarities of filmic expression and cinematic image; the other, the convergence between the inspiration of cinema and that of philosophy, which Merleau-Ponty sees as a significant feature of his time: a convergence which the cinema of the nouvelle vague was also to acknowledge and which Christian Metz was to confirm retrospectively. Moreover, in developing both topics, the author finds a way to interpret Merleau-Ponty's lecture as an undeclared polemical response to Henri Bergson's famous negative judgement on cinema.Key words: Cinematic Image, Gestalt Psychology, Melody, Montage, Perception, Rhythm.Parole chiave: Dinamica di legittimazione, Immagine, Identitŕ, Narrazione, Soggetto, Tempo.

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