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Nitrogen, defoliation and new growth in almond (Prunus dulcis (Mill) D.A. Webb) nursery plants

Creator:: Bi, Guihong
Abstract:: The relationships between nitrogen (N), defoliation, and plant growth in nursery plants were studied using almond {Prunus dulcis (Mill) D. A. Webb) trees. In several experiments the effects of N source and availability on tree growth, N uptake, N remobilization, and nonstructural carbohydrates (TNC) were investigated to determine the most...
Resource Type:: Dissertation
Full Text:: , 1967; Titus and Kang, 1982; Tromp, 1983; Millard, 1995). The internal cycling of nitrogen provides N

Nitrogen partitioning and remobilization in field-grown apple trees

Creator:: Khemira, Habib
Abstract:: Uptake and cycling of nitrogen (N) in mature trees are not well understood. Fertilizer-N uptake, partitioning, and use-efficiency were studied in standard strain 'Topred Delicious' and spur strain 'Redspur Delicious' mature apple trees {Malus domestica Borck) on 'Malling 7A' (M.7A) rootstocks. The treatments consisted of a ground application in spring,...
Resource Type:: Dissertation
Full Text:: temperature decreases in autumn, leaf proteins undergo a massive breakdown (Titus and Kang, 1982). The

Nitrogen dynamics in field grown comice pears

Creator:: Sanchez, Enrique E.
Abstract:: The dynamics of N was studied in field grown Comice/Provence quince BA29 pears in Medford, Oregon. Total tree biomass, N content, and ¹⁵N evaluations suggest that young pears require little N (48 kg N ha⁻¹ yr⁻¹). About 45% of total tree N present in dormant trees was remobilized into new...
Resource Type:: Dissertation
Full Text:: positions. Codes are as follows: W - west, S =• south, N - north, E - east; M - middle, T - top, B

Photosynthesis in relation to nitrogen in apple (Malus domestica Borkh.) leaves

Creator:: Cheng, Lailiang
Resource Type:: Dissertation
Full Text:: apple (Lee and Titus, 1992) and poplar (Banados, 1992) even under a very high nitrate supply (30

Factors affecting the incidence and severity of Phytophthora syringae cankers in pear (Pyrus communis) trees

Creator:: Laywisadkul, Srisangwan
Abstract:: Container grown pear trees were used to determine the effects of the following factors on the susceptibility to Phytophthora syringae: 1) tree nitrogen (N) status and foliar sprays of urea and copper-EDTA (CuEDTA); 2) dormancy and environmental conditions; 3) wound and wound age; and 4) chemical and biological control measures....
Resource Type:: Dissertation
Full Text:: et al., 1998; Titus and Kang, 1982). Nitrogen uptake from the soil occurred 3 weeks after bud break

High-density Linkage Maps for European Hazelnut (Corylus avellana L.) from Single Nucleotide Polymorphism Markers and Mapping New Sources of Resistance to Eastern Filbert Blight

Creator:: Komaei Koma, Golnaz
Abstract:: European hazelnut (Corylus avellana L.) is a diploid with 11 pairs of chromosomes (2n = 2x = 22), monoecious, dichogamous and wind-pollinated. Eastern filbert blight (EFB) caused by Anisogramma anomala is a serious disease of European hazelnut (Corylus avellana) in North America, and infection leads to cankers that girdle branches...
Resource Type:: Dissertation

Physiology of flowering in Coffea arabica L. : role of growth regulators and water relations

Creator:: Schuch, Ursula K.
Abstract:: Coffee trees growing in the Kona district of Hawaii were treated with different concentrations of either BA, GA3, or Promalin, and pruned at the time of flowering. No significant differences in the flowering and fruit ripening pattern were found. High concentrations (100 mg/1) of growth regulators decreased fruit fresh weight....
Resource Type:: Dissertation
Full Text:: 1957, Mathew and Chokkana 1961, Rees 1964), immersion of branches from intact plants in water (Mes

Alternative orchard floor management practices, soil quality, nitrogen fertilizeruptake, and apple tree growth and yield

Creator:: McDonald, Sarah Finger
Abstract:: Orchard floor management (OFM) practices can improve soil function and alter the soil biological community. Soil function is dependent on soil forming materials and on management practices but little is known about how OFM affect orchard soil quality, fertilizer N uptake, or tree growth and production. Research plots were located...
Resource Type:: Dissertation

The role of glutathione in the development and release of rest on 'Redhaven' peaches

Creator:: Siller-Cepeda, Jorge H.
Abstract:: A rapid and sensitive HPLC method for quantifying both the reduced and oxidized forms of glutathione simultaneously in woody plant tissues was developed. This method was applicable to a variety of woody plant species and different tissues. Total glutathione content in the bark tissue of seven of the woody plant...
Resource Type:: Dissertation
Full Text:: -ment of Horticulture n f i M r Y r w—= ^ - •}' Dean of Graduatzfel School Date thesis is

Effects of modifying the environment on flowering, fruiting, and biochemical composition of the snap bean (Phaseolus vulgaris L.)

Creator:: Singh, Jyotendra Narain
Abstract:: The effects of modifying air temperature, soil temperature, and soil moisture levels on flowering, fruiting, and chemical composition of Tendercrop snap beans were studied in experiments in the field and in the greenhouse during 1961, 1962, and 1963. High maximum temperatures of 95-105° F. during bloom reduced the percent set...
Resource Type:: Dissertation
Full Text:: . Acknowledgement is also made to Dr. S. B. Apple, Jr., and Dr. W. W. Chilcote for critical reading of the

ScholarsArchive@OSU

Nitrogen, defoliation and new growth in almond (Prunus dulcis (Mill) D.A. Webb) nursery plants

Nitrogen partitioning and remobilization in field-grown apple trees

Nitrogen dynamics in field grown comice pears

Photosynthesis in relation to nitrogen in apple (Malus domestica Borkh.) leaves

Factors affecting the incidence and severity of Phytophthora syringae cankers in pear (Pyrus communis) trees

High-density Linkage Maps for European Hazelnut (Corylus avellana L.) from Single Nucleotide Polymorphism Markers and Mapping New Sources of Resistance to Eastern Filbert Blight

Physiology of flowering in Coffea arabica L. : role of growth regulators and water relations

Alternative orchard floor management practices, soil quality, nitrogen fertilizeruptake, and apple tree growth and yield

The role of glutathione in the development and release of rest on 'Redhaven' peaches

Effects of modifying the environment on flowering, fruiting, and biochemical composition of the snap bean (Phaseolus vulgaris L.)

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