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Filtering by: Contributor advisor sim Roberts, A. N. Remove constraint Contributor advisor sim: Roberts, A. N.

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The nature of flower bud influence on root regeneration in the Rhododendron shoot

Creator:

Johnson, Charles Robert

Abstract:

Flower bud influence on rootability of Rhododendron shoots was assayed by rooting leaf-petiole cuttings. Monthly samples of an easy-and an intermediate-to-root cultivar showed periods of poor rooting in the latter during flower development, although both rooted similarly during bud dormancy. The decrease in rooting-potential following flower initiation and development was...

Resource Type:

Dissertation
Initiation and development of Lilium longiflorum Thunb. bulb scales affected by temperature and daylength

Creator:

Gray, Kim Diane

Abstract:

The development of Easter lily Lilium longiflorum Thunb. 'Ace' bulblets from scales was used to study the influence of scale pre-cooling, growing temp, and daylength on scale initiation, scale "filling" (bulbing), and scale leaf formation. The development of 'Croft', 'Ace', and 'Nellie White' daughter bulbs in field-grown yearlings was also...

Resource Type:

Masters Thesis
The physiology of plagiotropic growth of rooted cuttings of Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco]

Creator:

Starbuck, Christopher J.

Abstract:

Experiments were conducted to determine if the plagiotropic growth habit of rooted cuttings of Douglas-fir might result from a system favoring the accumulation of indoleacetic acid in the adaxial side of the shoot in response to vertical placement. Actively growing excised branch terminals were subjected to gravitational disorientation to determine...

Resource Type:

Dissertation
Enhanced rooting of Arctostaphylos uva-ursi 'Oregon Hybrid' with ectomycorrhizal fungi

Creator:

Call, Christopher Alan

Resource Type:

Masters Thesis
Root initiation and elongation in Douglas-fir, Pseudotsuga menziesii (Mirb.) franco, stem cuttings as related to bud and cambial activity

Creator:

Bhella, Harbans Singh

Abstract:

The relation of bud and cambial activity to root initiation and elongation in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stem cuttings was studied through two successive growth cycles. Stem cuttings of current season's growth were taken periodically from field-grown Douglas-fir trees to determine: (1) origin and development of root initials; and...

Resource Type:

Dissertation
Influences of shoot origin and certain pre- and post-severance treatments on the rooting and growth characteristics of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stem cuttings

Creator:

Black, Darvil Kim

Resource Type:

Dissertation
Physiology of dormancy in Lilium longiflorum Thunb.

Creator:

Wang, Shiow-ying

Resource Type:

Dissertation
The substitutional relationship between precooling and long days on growth and floral induction of Easter lily Lilium longiflorum Thunb.

Creator:

Bahadur, Raj

Resource Type:

Dissertation
The differential response of Ligustrum ovalifolium and Pyracantha spp. to simazine

Creator:

Rauch, Fredrick Donald

Resource Type:

Masters Thesis

Limit your search

Academic Affiliation

Horticulture9

Advisor

Roberts, A. N.9

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1963 to 1980

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Committee Member

Fuchigami, L. H.2
McGuire, W. S.2
Moore, T. C.2
Bishop, N. I.1
Breen, P. J.1
more Committee Members »

Creator

Bahadur, Raj1
Bhella, Harbans Singh1
Black, Darvil Kim1
Call, Christopher Alan1
Gray, Kim Diane1
more Creators »

Date

Date range begin – Date range end

Current results range from 1962 to 1979

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Decade

1970-19795
1960-19694

Degree Field

Horticulture9

Degree Level

Doctoral6
Master's3

Degree Name

Doctor of Philosophy (Ph.D.)6
Master of Science (M.S.)3

Language

English [eng]9

Non-Academic Affiliation

Oregon State University. Graduate School9

Peer Reviewed

No9

Resource Type

Dissertation6
Masters Thesis3

Rights Statement

Copyright Not Evaluated9

Subject

Douglas fir3
Lilies3
Herbicides1
Nursery stock1
Rhododendrons1
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