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Filtering by: Advisor Appleby, Arnold P. Remove constraint Advisor: Appleby, Arnold P. Committee Member Burrill, Larry Remove constraint Committee Member: Burrill, Larry Language English [eng] Remove constraint Language: English [eng]

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An evaluation of weed interference in rice grown on hydromorphic soils in West Africa

Creator:

Diop, Amadou Makhtar

Abstract:

Field, screenhouse, and laboratory experiments were conducted to study weed interference in rice grown on hydromorphic soils at the International Institute of Tropical Agriculture (IITA) at Ibadan, Nigeria. Rice and weeds emerged at the same time, 1 week after planting. Weed dry weight was significantly reduced when the crop was...

Resource Type:

Dissertation
Biology of Bromus rigidus : interference in winter wheat, seed longevity in the soil, and vernalization requirements for flowering

Creator:

Gleichsner, Jean Ann

Resource Type:

Dissertation
Interference of annual weeds in seedling alfalfa

Creator:

Fischer, Albert J.

Abstract:

The interference of barnyardgrass (Echinochloa crusgalli), pigweed (Amaranthus retroflexus),downy brome (Bromus tectorum),and tumble mustard (Sisymbrium altissimum) with alfalfa was studied. Alfalfa was seeded with each of the four weeds on August 14 and September 15, 1981, and on April 13, 1982. Alfalfa also was seeded on August 27, 1981, with...

Resource Type:

Masters Thesis
Studies of napropamide decomposition on the soil surface

Creator:

Apley, Kathryn Lynne

Abstract:

Napropamide [2-(alpha-naphthoxyl)-N,N-diethylpropionamide], a preemergence herbicide, is widely used in the United States on a variety of tree fruits, nut crops, vegetables, and mint for annual grass and broadleaf weed control. When napropamide has been left on the soil surface without incorporation through irrigation or mechanical means, inconsistent results have been...

Resource Type:

Masters Thesis
Effect of glyphosate when applied to grass and legume seeds or preemergence to bentgrass (Agrostis tenuis Sibth.)

Creator:

Salazar, Luis Carlos

Abstract:

Paraquat (1,11-dimethy1-4,4'-bipyridinium ion) and glyphosate [N (phosphonomethyl)glycine] are herbicides utilized for chemical seedbed preparation in the establishment of grass and legume seed crops. When these herbicides are applied after seeding the crop, seeds which are not protected by a layer of soil could be exposed to the herbicide. Effects of...

Resource Type:

Masters Thesis

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Academic Affiliation

Crop Science5

Advisor

Appleby, Arnold P.[remove]5
Dawson, Jean H.1
Stanger, Charles E.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1982 to 1989

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Committee Member

Burrill, Larry[remove]5
Bedell, Tom1
Bottomley, P.1
Chambers, Kenton1
Chambers, Kenton L.1
more Committee Members »

Creator

Apley, Kathryn Lynne1
Diop, Amadou Makhtar1
Fischer, Albert J.1
Gleichsner, Jean Ann1
Salazar, Luis Carlos1

Date

Date range begin – Date range end

Current results range from 1981 to 1988

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Decade

1980-19895

Degree Field

Crop Science5

Degree Level

Master's3
Doctoral2

Degree Name

Master of Science (M.S.)3
Doctor of Philosophy (Ph.D.)2

Language

English [eng][remove]5

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No5

Resource Type

Masters Thesis3
Dissertation2

Rights Statement

Copyright Not Evaluated5

Subject

Alfalfa1
Bromegrasses -- Control1
Grasses -- Seeds1
Herbicides1
Legumes1
more Subjects »

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