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Articles 1 - 30 of 75
Full-Text Articles in Life Sciences
The Future Of Organic Insect Pest Management: Be A Better Entomologist Or Pay For Someone Who Is, David H. Headrick
The Future Of Organic Insect Pest Management: Be A Better Entomologist Or Pay For Someone Who Is, David H. Headrick
Horticulture and Crop Science
Insect pest management in certified organic production systems presents considerable challenges for growers. The Federal National Organic Program (NOP) guidelines list acceptable tactics, but their effective use requires a considerable knowledgebase in entomology. The range of tactics allowed by the NOP are viewed as limiting by many growers and there are important elements missing from the list such as pest monitoring and identification. Educational programs must consider utilizing instructional methods and additional means of outreach that introduce new pest management tactics that are individualized, regionally appropriate and emphasize grower adoption and collaboration with local professionals. This review describes the challenges …
Determining Colonization Efficacy Of Commercial Mycorrhizae Products And Fragaria X Anannassa ‘Albion’., Tommy Jue, Alexandra Wollenman
Determining Colonization Efficacy Of Commercial Mycorrhizae Products And Fragaria X Anannassa ‘Albion’., Tommy Jue, Alexandra Wollenman
Horticulture and Crop Science
No abstract provided.
The Effects Of Slow-Release Aluminum Sulfate On Bloom Color Of Hydrangea Macrophylla, Patrick James Edziak
The Effects Of Slow-Release Aluminum Sulfate On Bloom Color Of Hydrangea Macrophylla, Patrick James Edziak
Horticulture and Crop Science
Hydrangea macrophylla is a common greenhouse crop typically produced for the late winter and spring holidays. Most varieties are capable of producing either pink or blue flowers depending on aluminum content and pH of the growing medium. The goal of this experiment was to examine the effects of new controlled-release aluminum sulfate products on bloom color. This new product was applied as a topdress and a pre-plant incorporated mix using two different manufacturer recommended rates. Results were directly compared with those produced using a traditional water-soluble aluminum sulfate drench application. Controlled release aluminum sulfate was found to be at least …
Pacific Plug & Liner Crop Shrinkage Evaluation, Jillian Balli
Pacific Plug & Liner Crop Shrinkage Evaluation, Jillian Balli
Horticulture and Crop Science
Crop Shrinkage has a major impact on a company’s bottom line. There are many ways to combat shrinkage. This report focuses on shrinkage reduction by adjusting buffer planting numbers to reflect the actual number of plants lost in production. Inaccurate buffer can cause the cost of production to be inaccurate as well. This report evaluates crop shrinkage of a greenhouse located in Watsonville, CA called Pacific Plug & Liner.
Evaluation Of Fungicides For Control Of Dollar Spot And Brown Patch Of Greens Height Creeping Bentgrass In Kansas, 2013, C. Thompson, R. Braun, M. Kennelly
Evaluation Of Fungicides For Control Of Dollar Spot And Brown Patch Of Greens Height Creeping Bentgrass In Kansas, 2013, C. Thompson, R. Braun, M. Kennelly
Horticulture and Crop Science
No abstract provided.
Cultural And Environmental Factors Affecting The Production Of Dendranthema X Grandiflorum, Mary Rebecca Lacy
Cultural And Environmental Factors Affecting The Production Of Dendranthema X Grandiflorum, Mary Rebecca Lacy
Horticulture and Crop Science
The purpose of this experiment was to reduce the schedule of cut mum production by decreasing the number weeks of long days and supplementing the flowers with the plant hormone gibberellic acid (GA). GA is a plant hormone which enlarges the cells of the stems and could conceivably affect mum vegetative growth during long days. In this experiment, long days were reduced to 0, 3, 10, 13, 17 and 20. During the long day treatments, different rates of products were applied. Both ProGibb 4% and Fascination were used to look at the effects of the different variations of GA; GA …
Effect Of Grape-Leaf Potassium Content On Life-History Traits Of Willamette Spider Mite, Eotetranychus Willamettei (Mcgregor) (Acari: Tetranychidae), Michael Paul Sotelo
Effect Of Grape-Leaf Potassium Content On Life-History Traits Of Willamette Spider Mite, Eotetranychus Willamettei (Mcgregor) (Acari: Tetranychidae), Michael Paul Sotelo
Horticulture and Crop Science
Vitis vinifera L. cv. Chardonnay vines were fertilized to approximate baseline, low, medium, and high grape-leaf potassium contents, relative to viticultural target values. From those vines, twelve replicates of leaf-discs were made per fertilizer treatment. The leaf-discs were populated with individuals of Willamette spider mite, Eotetranychus willamettei (McGregor) and maintained in a plant growth chamber (25°C, 14L:10D h). Data pertaining to maturation time (days), pre-oviposition period (days), lifetime fecundity (eggs / ♀), and longevity (days) of E. willamettei was recorded daily. Petiole analysis revealed that the grape-leaf potassium contents were greater than target values. Respective to fertilizer treatment, the actual …
A Feasibility Study On Possible Uses For A Common Area Greenbelt In A Southern California Neighborhood, Sarah J. Doherty
A Feasibility Study On Possible Uses For A Common Area Greenbelt In A Southern California Neighborhood, Sarah J. Doherty
Horticulture and Crop Science
Common greenbelt areas within residential neighborhoods are capable of existing as multi-function zones. ‘The Village’ in Southern Orange County, California, envisions its greenbelts as benefiting the homeowners, both in cost and esthetics, all beneficial insect and plant species, and the surrounding micro-climate. Research was conducted on three different systems, aimed at improving the areas of ‘The Village’ both economically and environmentally; the areas of focus were vineyard installation, fire resistant landscaping, and low impact development installations. The process began with evaluating the sites physical and judicial restraints. Soils tests, topography calculations, climate records, and preexisting species identifications were conducted; documents …
The History Of Trial Gardens, Hallie Schmidt
The History Of Trial Gardens, Hallie Schmidt
Horticulture and Crop Science
Essay explores the history of home gardening and seed industry in America and the conditions that led to the development of the All-America Selections.
Evaluation Of Fungicides For Control Of Dollar Spot Of Fairway Height Creeping Bentgrass In Kansas, 2012, C Thompson, Z Raundenbush, Megan Kennelly
Evaluation Of Fungicides For Control Of Dollar Spot Of Fairway Height Creeping Bentgrass In Kansas, 2012, C Thompson, Z Raundenbush, Megan Kennelly
Horticulture and Crop Science
No abstract provided.
Evaluation Of Granular Fungicides For Control Of Brown Patch Of Lawn Height Tall Fescue In Kansas, 2012, Cole Thompson, M. Kennelly
Evaluation Of Granular Fungicides For Control Of Brown Patch Of Lawn Height Tall Fescue In Kansas, 2012, Cole Thompson, M. Kennelly
Horticulture and Crop Science
No abstract provided.
Creation Of A Pamphlet On Young Tree Care, John G. Sanchez
Creation Of A Pamphlet On Young Tree Care, John G. Sanchez
Horticulture and Crop Science
No abstract provided.
The Effect Of Mulch Type And Thickness On The Soil Surface Evaporation Rate, Michael Mcmillen
The Effect Of Mulch Type And Thickness On The Soil Surface Evaporation Rate, Michael Mcmillen
Horticulture and Crop Science
There is a continual drive to conserve water and improve irrigation efficiency in agriculture, especially in regions where water resources are limited and regulated. Mulching is one cultural practice which can be used to reduce water needs. Using certain agricultural byproducts as mulch is a sustainable practice which can provide other benefits as well such as improving soil. Wheat straw, grass clippings, and leaf debris are fairly abundant byproducts which can be used as mulch. An experiment was conducted to determine which of these readily available mulching materials would be best at conserving soil moisture, and at which thicknesses, 5, …
Vineyard Layout And Design For A Pinot Noir Vineyard In The Santa Rita Hills Ava, Joseph G. Pollock
Vineyard Layout And Design For A Pinot Noir Vineyard In The Santa Rita Hills Ava, Joseph G. Pollock
Horticulture and Crop Science
The Sta. Rita Hills AVA is an important area for California pinot noir. To develop a pinot noir vineyard requires a substantial amount of research to be done before any planting occurs in the soil. The purpose of this project was to study the facets of planting a vineyard from a fallow field and then construct a design for the finished vineyard. The site is located on an unused portion of a ranch property in roughly the middle of the AVA. Climatological data places the potential site within acceptable parameters for growing pinot noir. The soil on site is Arnold …
Survey Of Suitable Plants For Cal Poly's Green Wall, Katrina Burritt
Survey Of Suitable Plants For Cal Poly's Green Wall, Katrina Burritt
Horticulture and Crop Science
Green wall technology is a growing industry in the United States and has been very successful for a several years throughout Europe. The objective of this survey was to study the success of several different species of plants on a vertical wall facing south at Cal Poly’s Horticultural Department Unit. At first the focus was aimed at using California native species, because it was thought that natives would be better acclimated to the exposure in this specific location. It became apparent that plants should not be selected for the wall based just on the fact that they are California natives. …
Landscape Design, Cost Estimate, And Management Plan, Garrett Talbot Williams
Landscape Design, Cost Estimate, And Management Plan, Garrett Talbot Williams
Horticulture and Crop Science
The purpose of this project is to evolve a bleak landscape into something that the home owner can appreciate and love. This project will demonstrate the knowledge of this process to provide as a guide for others. This project gives an overview of all aspects of a landscape project including: drawings of an irrigation layout, planting plan, drainage plan, and a construction plan. This project takes place in Riverbank, California, which is located in the Central Valley. The property’s main centerpiece is a pool and adjacent waterfall. However, the landscape currently surrounding the pool is very bare and lacks aesthetic …
Evaluation Of Headway G For Control Of Brown Patch Of Lawn Height Tall Fescue In Kansas, 2011, C Thompson, M Kennelly
Evaluation Of Headway G For Control Of Brown Patch Of Lawn Height Tall Fescue In Kansas, 2011, C Thompson, M Kennelly
Horticulture and Crop Science
No abstract provided.
High School Horticulture Curriculum, Margaret Maratsos
High School Horticulture Curriculum, Margaret Maratsos
Horticulture and Crop Science
Horticulture is just one of the many topics covered in a high school agriculture curriculum, and yet, there are very few lesson plans or resources available to teachers for these classes specifically. The objectives of this project were to compile a set of lesson plans, lab plans, and tests that would emphasize interactive and investigative learning. The lesson plans were written in such a way that they reflected a certain set of standards, set down by the state of California, and were meant to serve as a bare outline of topics that would be discussed within a week’s worth of …
Response Of Evergreen Perennial Tree Crops To Gibberellic Acid Is Crop Load-Dependent: Ii. Ga3 Increases Yield And Fruit Size Of ‘Hass’ Avocado Only In The On-Crop Year Of An Alternate Bearing Orchard, Lauren C. Garner, Grant Klein, Yusheng Zheng, Toan Khuong, Carol J. Lovatt
Response Of Evergreen Perennial Tree Crops To Gibberellic Acid Is Crop Load-Dependent: Ii. Ga3 Increases Yield And Fruit Size Of ‘Hass’ Avocado Only In The On-Crop Year Of An Alternate Bearing Orchard, Lauren C. Garner, Grant Klein, Yusheng Zheng, Toan Khuong, Carol J. Lovatt
Horticulture and Crop Science
Despite problems of low fruit set, small fruit size and alternate bearing, the Hass cultivar dominates commercial avocado production worldwide. To increase yield and fruit size, gibberellic acid (GA3) (25 mg L−1) was applied at different stages of ‘Hass’ avocado tree phenology: (i) mid–late April (flower abscission), end of June–beginning of July (fruit abscission and beginning of the exponential phase of fruit growth), and mid-January (beginning of pre-harvest fruit drop); (ii) end of June–beginning of July; and (iii) mid-September (near the end of the major fruit abscission period; period of …
Preventative Fungicide Application For Control Of Dollar Spot On Creeping Bentgrass In Kansas, 2010, M Kennelly, Z Raudenbush, Cole Thompson
Preventative Fungicide Application For Control Of Dollar Spot On Creeping Bentgrass In Kansas, 2010, M Kennelly, Z Raudenbush, Cole Thompson
Horticulture and Crop Science
No abstract provided.
Evaluation Of Fungicides And Fungicide Programs For Control Of Dollar Spot Creeping Bentgrass In Kansas, 2010, M Kennelly, C Thompson, Z Raudenbush
Evaluation Of Fungicides And Fungicide Programs For Control Of Dollar Spot Creeping Bentgrass In Kansas, 2010, M Kennelly, C Thompson, Z Raudenbush
Horticulture and Crop Science
No abstract provided.
Temperature Thresholds And Degree-Day Model For Marmara Gulosa (Lepidoptera: Gracillariidae), M. J. O'Neal, David H. Headrick, Gregory H. Montez, E.E. Grafton-Cardwell
Temperature Thresholds And Degree-Day Model For Marmara Gulosa (Lepidoptera: Gracillariidae), M. J. O'Neal, David H. Headrick, Gregory H. Montez, E.E. Grafton-Cardwell
Horticulture and Crop Science
The developmental thresholds for Marmara gulosa Guillen & Davis (Lepidoptera: Gracillariidae) were investigated in the laboratory by using 17, 21, 25, 29, and 33°C. The lowest mortality occurred in cohorts exposed to 25 and 29°C. Other temperatures caused >10% mortality primarily in egg and Þrst and second instar sap-feeding larvae. Linear regression analysis approximated the lower developmental threshold at 12.2°C. High mortality and slow developmental rate at 33°C indicate the upper developmental threshold is near this temperature. The degree-day (DD) model indicated that a generation requires an accumulation of 322 DD for development from egg to adult emergence. Average daily …
Digital Mapping As A Student And Staff Communication Tool, Ryan Gyurkovitz
Digital Mapping As A Student And Staff Communication Tool, Ryan Gyurkovitz
Horticulture and Crop Science
A study in the use of Geographic Information Systems in the development of digital maps for use by students and staff in Plant Identification Courses.
Consolidation And Label Acquisition In The California Wine Industry, Hilary Lipoff, Gina Scurich
Consolidation And Label Acquisition In The California Wine Industry, Hilary Lipoff, Gina Scurich
Horticulture and Crop Science
This paper seeks to determine whether there has been a change in consolidation and label acquisitions in the California wine industry in recent years. Reasons for consolidation and acquisition are explored, with an emphasis on the recent economic downturn and how it has effected the wine industry. Implications of these changes are further explored.
Meeting Learning Objectives Through Service-Learning: A Pomology Case Study, Lauren C. Garner
Meeting Learning Objectives Through Service-Learning: A Pomology Case Study, Lauren C. Garner
Horticulture and Crop Science
Undergraduate students enrolled in the introductory pomology course at California Polytechnic State University, San Luis Obispo, CA, from 2007 to 2010, participated in a service-learning project. Students helped the community organization, the California Rare Fruit Growers (CRFG), teach grafting skills to San Louis Obispo County high school students and community members. At the end of each quarter, pomology students completed evaluations of their experience. Results of these evaluations were used to improve teaching methodology and the experience in which the students participated. Self-reported and instructor evaluations of the service-learning project demonstrated that students increased their grafting knowledge and skills, their …
The Illustrated Guide Of Southern California Hardy Succulents, Darren Chard, Zhanna Safiulina
The Illustrated Guide Of Southern California Hardy Succulents, Darren Chard, Zhanna Safiulina
Horticulture and Crop Science
The Southern California area is experiencing increasing water shortages resulting in the need for plant material that has a high ornamental value as well as a low water requirement. The objectives of our project were to find, plant, and observe succulent plant material in the Southern California area to determine which succulents have a low water requirement, are low maintenance, disease and pest resistant, while adding beauty to the landscape. Succulent plant material was planted and observed in La Habra Heights, Newport Beach, and Laguna Beach to provide a range of climate zones. After two years of observing the plant …
Regalia-Induced Resistance In Powdery Mildew-Infected Grapevine Plants Correlates With The Induction Of Chalcone Synthase, Thomas Crottogini
Regalia-Induced Resistance In Powdery Mildew-Infected Grapevine Plants Correlates With The Induction Of Chalcone Synthase, Thomas Crottogini
Horticulture and Crop Science
No abstract provided.
Preventative Fungicide Applications For Control Of Dollar Spot And Brown Patch On Creeping Bentgrass In Kansas, 2009, M Kennelly, C Thompson
Preventative Fungicide Applications For Control Of Dollar Spot And Brown Patch On Creeping Bentgrass In Kansas, 2009, M Kennelly, C Thompson
Horticulture and Crop Science
No abstract provided.
Preventative Fungicide Applications For Control Of Dollar Spot And Brown Patch On Creeping Bentgrass In Kansas, 2009, M Kennelly, C Thompson
Preventative Fungicide Applications For Control Of Dollar Spot And Brown Patch On Creeping Bentgrass In Kansas, 2009, M Kennelly, C Thompson
Horticulture and Crop Science
No abstract provided.
The Use Of Horticulture And Gardening As A Special Education Tool At The High School Level, Krysta Marie Johnson
The Use Of Horticulture And Gardening As A Special Education Tool At The High School Level, Krysta Marie Johnson
Horticulture and Crop Science
THIS REPORT CONTAINS PLANNING METHODS AND INSTALLATION PROCEDURE FOR A RAISED VEGETABLE GARDEN FOR WILSONVILLE HIGH SCHOOL, IN WILSONVILLE, OREGON. THE PRIMARY PURPOSE OF THE GARDEN WAS TO USE IT AS A LEARNING TOOL FOR THE SPECIAL EDUCATION DEPARTMENT AT WILSONVILLE HIGH SCHOOL. UPON DOING MORE RESEARCH IT BECAME EVIDENT THAT THE GARDEN CAN ALSO BE USED AS A HEALING TOOL FOR STUDENTS WHO SUFFER FROM ATTENTION DISORDERS AND WHO HAVE EMOTIONAL AND LEARNING DISABILITIES. THE STUDENTS HAVE BECOME INVESTED IN THE GARDEN PROJECT AND LOOK FORWARD TO DOING MORE PROJECTS WITH THEIR CLASS.