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Filtering by: Creator Lombard, Porter Remove constraint Creator: Lombard, Porter Subject Grapes -- Diseases and pests Remove constraint Subject: Grapes -- Diseases and pests

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Girdling and shading effects on inflorescence necrosis and rachis composition of pinot noir grapevine

Creator:

Ibacache, Antonio E.

Abstract:

There are several grape disorders that reduce fruit set. One, millerandage, is from poor fertilization to produce "hen and chicken" or small seedless berries; while another, Coulure, is the failure of grape flowers to develop into berries. A third one, inflorescence necrosis (INec), is a disorder that should be in...

Resource Type:

Masters Thesis

Full Text:

: 1_i ^ Porter Lombard There are several grape disorders that reduce fruit set. One, millerandage
Relationships of ammonium and nitrate status with inflorescence necrosis in 'Pinot noir' grapevines

Creator:

Gu, Sanliang

Abstract:

Inflorescence necrosis (IN) is a recently described disorder in grapes characterized by partial or complete deterioration of the pedicel and rachis near bloom. Elevated levels of ammonium in the rachis are associated with the incidence of IN and hypothesized as the cause of the disorder. An incubation system with single-node...

Resource Type:

Dissertation

Full Text:

: ^ ^_ .,, . —. -,— . Porter B. Lombard Inflorescence necrosis (IN) is a recently described disorder in grapes
Inflorescence necrosis, ammonium, and evidence for ferredoxin-glutamate synthase activity in grape (Vitis vinifera L.)

Creator:

Creasy, Glen L.

Abstract:

Death of flower parts near bloom due to inflorescence necrosis (IN) is associated with high ammonium (NH₄⁺) concentration in flower clusters, shade, cool wet weather preceding bloom, and excessive vigor. Faults in NH₄⁺ assimilation are suspected to cause a rise in NH₄⁺ concentration to toxic levels in flower cluster but...

Resource Type:

Dissertation

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experience: Porter, who got me out here in the first place and who always ready with a helping hand and a
Ammonium in grapevines : seasonal levels in tissue and xylem extracts, and a tendril model system

Creator:

Jordan, David T.

Resource Type:

Dissertation

Full Text:

two people need special mention. Porter Lombard is a tireless source of information and personal

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Academic Affiliation

Horticulture4

Advisor

Breen, Patrick J.2
Lombard, Porter B.2

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1990 to 1997

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Committee Member

Appleby, Arnold P.1
Breen, Patrick J.1
Burgett, Michael D.1
Christensen, Neil1
Grabe, Don1
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Creator

Creasy, Glen L.1
Gu, Sanliang1
Ibacache, Antonio E.1
Jordan, David T.1

Date

Date range begin – Date range end

Current results range from 1989 to 1996

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Decade

1990-19993
1980-19891

Degree Field

Horticulture4

Degree Level

Doctoral3
Master's1

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)1

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation3
Masters Thesis1

Rights Statement

Copyright Not Evaluated4

Subject

Grapes -- Diseases and pests[remove]4
Ammonium compounds2
Grapes -- Physiology1
Plants, Effect of ammonium compounds on1
Plants, Effect of shade on1

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