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Fungi inhabiting spots and necroses on the leaves of azaleas (Rhododendron) in the Botanical Garden of the Jagiellonian University

100%

Kowalik M. , Kierpiec B. , Bonio J. , Zolna M.

Phytopathologia

2011

tom 62

Influence of growth retardants on growth and flower bud formation in rhododendron and azalea

100%

Marosz A. , Matysiak B.

Dendrobiology

2005

tom 54

35-40

Plants of ‘Catawbiense Boursault’ and ‘Eskimo’ rhododendrons or ‘Cannon’s Double’ and ‘Kilian’ azalea grown in 4 l containers were treated twice with chlormequat (2000, 4000 and 8000 mg · dm-3), trinexapac-ethyl (50, 100, 200, 400 mg · dm-3), daminozide (2500, 5000, 7500 mg · dm-3), proxeadione calcium (75, 150, 300 mg · dm-1) and once with paclobutrazol (50, 100, 200, 400 mg · dm-3). Shoot length of the subsequent growth flush following the treatments decreased with increasing rates of the growth retardants. The number of flower buds per plant increased with increasing rates of pacloburazol, chlormequat and daminozide. Prohexadione calcium was less effective in flower bud initiation and the worst results were obtained with trinexapac-ethyl.

Effect of growth substances on the rooting of cuttings of rhododendron species

100%

Nawrocka-Grzeskowiak U.

Folia Horticulturae

2004

tom 16

nr 1

115-123

Loiseleuria procumbens [Ericaceae] in the Spanish Pyrenees

100%

Boratynski A. , Romo A.

Acta Societatis Botanicorum Poloniae

2003

tom 72

nr 2

The paper analyses the distribution and occurrence conditions of Loiseleuria procumbens in the Spanish Pyrenees. The species represents a typical arctic-alpine element in the flora of Europe. In the Pyrenees it reaches its southernmost European localities. The Pyrenean populations of the species are not numerous in the majority of the localities. L. procumbens occurs most frequently in the alpine and subalpine zones, at altitudes between 2100 and 2650 m, with a minimum at 1750 m and a maximum at 2900 m. It has been reported nearly exclusively in the siliceous substrata, and predominantly on the north-facing slopes, on the regosols and/or on flat tops of rocks. It forms its own communities, mostly included into the Loiseleurio-Vaccinion alliance, and rarely enters associations of the Festucion airoidis and Rhododendro-Vaccinion alliances. Its typical community, Cetrario-Loiseleurietum procumbentis, is found only in the eastern and central parts of the Spanish Pyrenees.

Rooting of azalea shoot cuttings depending on the degree of lignification

100%

Nawrocka-Grzeskowiak U. , Grzeskowiak W.

Dendrobiology

2003

tom 49

Relationship between the degree of cutting lignification and rooting ability was studied. Anatomical changes in cuttings were observed, too. The study involved azalea hybrids from groups: Gent, Rustica Flore Pleno, Occidentale and Knap Hill, which can be propagated vegetatively by shoot cuttings. The cuttings were apical parts of shoots, 7-10 cm long. They were collected at various stages of lignification. Rooting was performed in a greenhouse with controlled temperature of the rooting bed. Only the penetrating observation of mother plants allows to determine the best period of taking the cuttings. The cuttings were treated with a growth regulator, 0.5% IBA (indolebutyric acid), combined with Captan in talcum powder. Sand and peat (1:2) were used as a medium for rooting.

Gwiazdy ogrodowej sceny

80%

Pudelek K.

Kwietnik

2006

nr 04

36-38

Chemical control of the black vine weevil [Otiorrhynchus sulcatus F.] on ornamental crops

80%

Bogatko W. , Labanowski G.

Journal of Fruit and Ornamental Plant Research

1993

tom 01

nr 3

Krzewy dobrze nakarmione

70%

Kwietnik

2005

nr 04

52-53

Rosliny trujace - piekne ale niebezpieczne

51%

Rabiza-Swider J.

Agrochemia

2003

nr 06

37-38