Index Catalog // ScholarsArchive@OSU

Role of surfactants in foliar uptake of plant growth regulators

Creator:: Tan, Siyuan
Abstract:: Penetration of ¹⁴C-labeled plant growth regulators into the surface of apple (Malus pumila M.) leaves pre-soaked in 10 ml I⁻¹ solutions of surfactant was measured by detecting changes in radioactivity of the solution in glass cylinders sealed to the astomatal, adaxial surface of the leaf discs. Penetration of 2,4-D [(2,4-dichlorophenoxy)acetic...
Resource Type:: Dissertation

Diagnostic approaches to evaluate nutrient status, partitioning, mineral dynamics, and relationships with yield and fruit quality of 'Valencia' orange trees

Creator:: Tami, Mohamed
Abstract:: Five nutritional aspects of 'Valencia' orange production in Agadir, Morocco during 1989-1991 were evaluated: 1) the effect of N and K on yield and fruit quality, 2) leaf sampling time and diagnostic approaches to optimize mineral nutrition, 3) mass and mineral partitioning within individual trees, 4) K-Rb relationships, and 5)...
Resource Type:: Dissertation

RFLP analyses of interspecific hybrids of Phaseolus

Creator:: Kuo, Mei
Abstract:: Gene transfer via interspecific hybridization within Phaseolus has been limited by abnormal hybrid development and the rapid loss of hybridity in subsequent generations. The most advanced embryo development occurs in P. vulgaris x P. coccineus where mature seeds form. However, the reciprocal cross still results in abnormal embryos unable to...
Resource Type:: Dissertation

Factors influencing storage quality of hazelnut varieties

Creator:: Ebrahem, Kais Shaheb
Abstract:: This thesis research is a series of five studies dealing with various aspects of hazelnut quality: 1. Identification of kernel mold and its incidence among hazelnut varieties. 2. Seasonal development and composition of kernels. 3. Hazelnut oil composition (fatty acids and tocopherols) of seventeen varieties. 4. Hazelnut oil composition compared...
Resource Type:: Dissertation

Isozyme variation and inheritance in hazelnut

Creator:: Cheng, Suozhan
Abstract:: Inheritance of eight enzyme systems, alanine aminopeptidase (AAP), aspartate aminotransferase (AAT), aconitase (ACON), glucose phosphate isomerase (GPI), malate dehydrogenase (MDH), 6-phosphogluconate dehydrogenase (6-PGD), phosphoglucomutase (PGM), and shikimate dehydrogenase (SDH) was studied in hazelnut (Corylus avellana L.) by either polyacrylamide gel electrophoresis (PAGE) or starch gel electrophoresis. Three isozymes were detected...
Resource Type:: Dissertation

Modeling purple nutsedge (Cyperus rotundus L.) growth : preliminary evaluation of light intensity, soil moisture and herbicide effects

Creator:: Amerasinghe, A. A. L.
Abstract:: Purple nutsedge [Cyperus rotundas L.) has been recognized as one of the most troublesome perennial weeds of agricultural lands in tropical and some temperate regions. This research sought to determine the effects of timing of herbicides, shading, and soil moisture on plant population growth and tuber production of purple nutsedge...
Resource Type:: Dissertation

New male sterile mutant in cucumber (Cucumis sativus L.) : inheritance, genetic relationship to other mutants and sex types, and response to chemical and environmental factors

Creator:: Zhang, Qi (Qi Qun), 1956-
Abstract:: A new male sterile (MS) mutant was found in 1988 in an inbred line of cucumber (Cucumis sativus L.) in the greenhouse of Sunseeds Company. The mutant is characterized by normal corolla in both male and female flowers, normal fertility in the female, and absence of pollen in otherwise normal-appearing...
Resource Type:: Dissertation

Relationship of "near-lethal" stress on dormancy, cold hardiness and recovery of Red-Osier dogwood

Creator:: Shirazi, Abbas M.
Abstract:: The effects of overcoming rest by application of "near-lethal" (NL) stress treatments on the subsequent development of cold hardiness of stem tissues of red-osier dogwood, Comus sericea L., at different rest stages under three post-environments (0°, 23°, and natural condition) were studied. NL-heat stress (47°C for one hour) treatment during...
Resource Type:: Dissertation

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

Water partitioning and respiration activity of dormant grape buds

Creator:: Gardea, Alfonso A.
Abstract:: Dormancy of 'Pinot Noir' grapevines was characterized. Primary buds required ca 300 cumulative chilling hours (CCH) to initiate the transition from endodormancy to ecodormancy, which occurred in mid November. Additional chilling, up to 1000 CCH, improved budbreak. Changes in bud water content were estimated by gravimetric and spectroscopic methods. Total,...
Resource Type:: Dissertation

ScholarsArchive@OSU

Role of surfactants in foliar uptake of plant growth regulators

Diagnostic approaches to evaluate nutrient status, partitioning, mineral dynamics, and relationships with yield and fruit quality of 'Valencia' orange trees

RFLP analyses of interspecific hybrids of Phaseolus

Factors influencing storage quality of hazelnut varieties

Isozyme variation and inheritance in hazelnut

Modeling purple nutsedge (Cyperus rotundus L.) growth : preliminary evaluation of light intensity, soil moisture and herbicide effects

New male sterile mutant in cucumber (Cucumis sativus L.) : inheritance, genetic relationship to other mutants and sex types, and response to chemical and environmental factors

Relationship of "near-lethal" stress on dormancy, cold hardiness and recovery of Red-Osier dogwood

Relationships of ammonium and nitrate status with inflorescence necrosis in 'Pinot noir' grapevines

Water partitioning and respiration activity of dormant grape buds

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