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Nursery container weeds response to modification of substrate pH, substrate particle size and applied nitrogen form

Creator:: Wada, Sugae
Abstract:: Experiments were conducted to determine the influence of cultural management practices on weed growth in nursery containers. Experiments 1 and 2 evaluated the effects of dolomitic lime rate and application method on substrate pH, creeping woodsorrel (Oxalis corniculata L.) establishment in containers, and growth of azalea (Rhododendron ‘Rosebud’) and pieris...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Sugae Wada for the degree of Master of Science in Horticulture presented on

Evaluation of Rubus seed characteristics: seed coat morphology, anatomy, germination requirements and dormancy breaking

Creator:: Wada, Sugae
Abstract:: Rubus seed characteristics; seed coat morphology, anatomy, germination requirements and dormancy were studied in order to define protocols for breaking seed dormancy. Morphological analysis of the seed coat (testa) using scanning electron microscopy (SEM) included 56 seed accessions of 10 subgenera preserved in the collections of the US Department of...
Resource Type:: Dissertation
Full Text:: Microsoft Word - Thesis Final_SUGAE WADA AN ABSTRACT OF

Standardizing germination protocols for diverse raspberry and blackberry species

Creator:: Wada, Sugae and Reed, Barbara M.
Abstract:: Most blackberry and raspberry (Rubus) seed exhibit delayed or poor germination because of a deep double dormancy. The objective of this study was to improve seed scarification and germination protocols for the diverse Rubus species in two subgenera often used for breeding improved cultivars. We also defined the germination potential...
Resource Type:: Article
Full Text:: ( G o m a a s 1 r p C 6 g s p a a a N t s o s n d s H w c f m A o 5 e W 8 S. Wada, B.M. Reed

Seed-coat anatomy and proanthocyanidins contribute to the dormancy of Rubus seed

Creator:: Wada, Sugae, Kennedy, James A., and Reed, Barbara M.
Abstract:: Rubus seed has a deep double dormancy that restricts germination due to seed coat structure and chemical composition. Improved germination of diverse Rubus species required for breeding improved blackberry and raspberry cultivars is partly dependent on the seed coat structure. This study evaluated the seed coat structure of three species...
Resource Type:: Article
Full Text:: K a a c c i i e t p m 1 a e m s i m s c t o t o a s 2 2 A U S. Wada et al. / Scientia Ho n the

Mesos components (CaCl2, MgSO4, KH2PO4) are critical for improving pear micropropagation

Creator:: Wada, Sugae, Niedz, Randall P., DeNoma, Jeanine, and Reed, Barbara M.
Abstract:: Pear accessions and species show a broad response to tissue culture media due to the wide genetic diversity that exists in the available pear germplasm. An initial study of mineral nutrition using a systematic response surface approach with five Murashige and Skoog medium mineral stock solutions indicated that the mesos...
Resource Type:: Article
Full Text:: ) are critical for improving pear micropropagation Sugae Wada & Randall P. Niedz & Jeanine DeNoma

Improving in vitro mineral nutrition for diverse pear germplasm

Creator:: Reed, Barbara M., Wada, Sugae, DeNoma, Jeanine, and Niedz, Randall P.
Abstract:: Mineral nutrition in the media used for growth of in vitro plants is often difficult to optimize due to complex chemical interactions of required nutrients. The response of plant tissue to standard growth media varies widely due to the genetic diversity of the plant species studied. This study was designed...
Resource Type:: Article
Full Text:: diverse pear germplasm Barbara M. Reed & Sugae Wada & Jeanine DeNoma & Randall P. Niedz Received: 16

DNA markers and characterization of novel sources of eastern filbert blight resistance in European hazelnut (Corylus avellana L.)

Creator:: Peterschmidt, Brooke C.
Abstract:: European hazelnut is a significant crop in the Pacific Northwest, and the US ranks 4th internationally for hazelnut production. Production in the Pacific Northwest is threatened, however, by the disease eastern filbert blight (EFB) caused by the fungus Anisogramma anomala (Peck) E. Müller. To meet the challenges faced by the...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Brooke C

Evaluation of Methods for Applying Phosphorus, Potassium, and Boron Fertilizers in Northern Highbush Blueberry (Vaccinium corymbosum L.)

Creator:: Leon-Chang, David P.
Abstract:: Previous studies indicated that fertigating with nitrogen (N) was more effective than using granular N fertilizers in production of northern highbush blueberry (Vaccinium corymbosum L.). To build on these findings, four studies were conducted in western Oregon to determine whether fertigation was also an effective method for applying other nutrients,...
Resource Type:: Dissertation
Full Text:: concentration of (B) K, (C) Ca, and (D) Mg in soil solution under and between drip emitters in a mature

Disease resistance and spring phenological characteristics of Ribes L. germplasm

Creator:: Dalton, Daniel T.
Abstract:: North American cultivation of Ribes L. may expand as small fruit growers seek species to diversify horticultural crops. The Ribes industry was suppressed for decades out of fear that cultivated black currants and gooseberries would intensify the fungal disease white pine blister rust (WPBR) on five-needle pine (Pinus L. section...
Resource Type:: Masters Thesis
Full Text:: , Sugae Wada, Esther Uchendu, Amy Garrett, Erin Schroll, Miles Barrett, Handell Larco, Ebba

Improving in vitro mineral nutrition for diverse red raspberry and Rubus germplasm

Creator:: Poothong, Sukalya
Abstract:: Red raspberry, Rubus idaeus L., is a valuable crop for the U.S. Pacific Northwest and clonal propagation is required to produce disease-free plants and for germplasm preservation. One challenge of red raspberry micropropagation is the wide variation in growth response among the cultivars. The studies described in this dissertation were...
Resource Type:: Dissertation
Full Text:: like to express my deep gratitude to my committee including Prof. Bernadine C. Strik, Prof. Allen J

ScholarsArchive@OSU

Nursery container weeds response to modification of substrate pH, substrate particle size and applied nitrogen form

Evaluation of Rubus seed characteristics: seed coat morphology, anatomy, germination requirements and dormancy breaking

Standardizing germination protocols for diverse raspberry and blackberry species

Seed-coat anatomy and proanthocyanidins contribute to the dormancy of Rubus seed

Mesos components (CaCl2, MgSO4, KH2PO4) are critical for improving pear micropropagation

Improving in vitro mineral nutrition for diverse pear germplasm

DNA markers and characterization of novel sources of eastern filbert blight resistance in European hazelnut (Corylus avellana L.)

Evaluation of Methods for Applying Phosphorus, Potassium, and Boron Fertilizers in Northern Highbush Blueberry (Vaccinium corymbosum L.)

Disease resistance and spring phenological characteristics of Ribes L. germplasm

Improving in vitro mineral nutrition for diverse red raspberry and Rubus germplasm

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