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313 full-text articles. Page 6 of 10.

Peach And Pear Cultivar Trial, Patrick O'Malley, Nicholas P. Howell 2014 Iowa State University

Peach And Pear Cultivar Trial, Patrick O'Malley, Nicholas P. Howell

Iowa State Research Farm Progress Reports

As local food production has increased in Iowa, there is renewed interest in tree fruit such as peach and pear. The purpose of this multi-year study is to compare the performance of peach and pear cultivars under soil and environmental conditions at the Horticulture Research Station, Ames, Iowa.


Evaluation Of Wines From The Cold Hardy Wine Grape Cultivar Trial, Paul Tabor, Paul A. Domoto 2014 Tabor Home Vineyards

Evaluation Of Wines From The Cold Hardy Wine Grape Cultivar Trial, Paul Tabor, Paul A. Domoto

Iowa State Research Farm Progress Reports

In conjunction with the Northeast Regional Research project NE-1020 “Multi-state Evaluation of Wine Grape Cultivars and Clones,” Iowa State University established a cold hardy wine grape cultivar trial in 2008 at the ISU Horticulture Research Station (HRS), Ames, Iowa, and Tabor Home Vineyards and Winery (THV), Baldwin, Iowa. Wines were made from the 2012 crop from six selections growing in the THV plot and were evaluated by winemakers and wine grape growers and non-grower/winemakers at two field days in 2013.


The Effects Of Temperature And Light In High Tunnel Primocane Red Raspberry Production—Year 2, Leah B. Riesselman, Gail R. Nonnecke 2014 Iowa State University

The Effects Of Temperature And Light In High Tunnel Primocane Red Raspberry Production—Year 2, Leah B. Riesselman, Gail R. Nonnecke

Iowa State Research Farm Progress Reports

Climatic factors found in tunnels of the Midwest may show negative effects to primocane growth and development of raspberry. Researchers have found that as air and root-zone temperature exceed 24°C (75.2°F) and 16°C (60.8°F), respectively, the following plant development occurs: decrease in water uptake by primocanes, premature dormancy of lateral and axillary buds, delayed time to fruit ripening, and reduced fruit quality and weight. In addition to temperature, high light (irradiance) causes a decline of fruit yield and quality. Premature dormancy and delayed time-to-flowering occur when irradiance exceed 600 μmol·mˉÇs ...


Effects Of Surfactant Combinations With Captan For Control Of Apple Fruit Rots And Russeting, Hafizi Bin Rosli, Mark L. Gleason, Jean C. Batzer 2014 Iowa State University

Effects Of Surfactant Combinations With Captan For Control Of Apple Fruit Rots And Russeting, Hafizi Bin Rosli, Mark L. Gleason, Jean C. Batzer

Iowa State Research Farm Progress Reports

Surfactants are adjuvants that lower the surface tension between two liquids or between a liquid and a solid. Surfactants can improve efficacy of fungicides on crops and could reduce the rate and number of fungicide applications. Combining fungicides and surfactants may increase the efficacy of existing control options. However, since some fungicide-surfactant combinations have been reported to cause phytotoxicity, these compounds should be screened. This is the first year of a two-year study to evaluate commercial surfactants+captan for control of apple fruit rot and phytotoxicity.


Effects Of Scaling Up Row-Cover Removal Timing In Conventionally Grown Muskmelon, Zachary Torres, Jean C. Batzer, Mark L. Gleason 2014 Iowa State University

Effects Of Scaling Up Row-Cover Removal Timing In Conventionally Grown Muskmelon, Zachary Torres, Jean C. Batzer, Mark L. Gleason

Iowa State Research Farm Progress Reports

Row covers are most often placed manually over muskmelon transplants and then removed at anthesis (the period at which 50% of plants have female flowers). Row covers protect muskmelons from bacterial wilt (vectored by cucumber beetles), early season frost, wind damage, and fungal diseases. However, the intensive labor needs of row cover deployment have limited their use to small fields on small-scale farms. In order to expand the use of row covers to large-scale farms, we are assessing the possibilities of using simple machinery to assist in the deployment and retrieval of the row covers.


Effects Of Row Cover Removal Timing In Organic Muskmelon, Zachary Torres, Jean C. Batzer, Mark L. Gleason 2014 Iowa State University

Effects Of Row Cover Removal Timing In Organic Muskmelon, Zachary Torres, Jean C. Batzer, Mark L. Gleason

Iowa State Research Farm Progress Reports

Muskmelons are difficult to grow using organic practices because of bacterial wilt and the cucumber beetle that vectors the disease. Row covers can be placed over muskmelon transplants and then removed at anthesis (the period at which 50% of plants have female flowers). In addition to shielding muskmelons from bacterial wilt, row covers also can protect plants from early season frost, wind damage, and fungal diseases. However, the intensive labor needs of row-cover deployment have limited their use to small fields on small-scale farms


Colored Plastic Mulches For High Tunnel Tomato Production, Ajay Nair, Bernard J. Havlovic 2014 Iowa State University

Colored Plastic Mulches For High Tunnel Tomato Production, Ajay Nair, Bernard J. Havlovic

Iowa State Research Farm Progress Reports

Weather often is one of the limiting factors for crop production in northern states. Growers in Iowa and other northern climatic regions are increasingly utilizing high tunnels to extend their growing season and increase fruit and vegetable production. In early spring and late fall, high tunnels help warm the air and soil and aid with crop growth and development. However, during summer, temperatures rise quickly in high tunnels and can detrimentally affect crop growth and development.


Letter From The Dean, Michael Vayda 2014 University of Arkansas, Fayetteville

Letter From The Dean, Michael Vayda

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.


Identification Of Acyltransferases Associated With Triacylglycerol Biosynthesis In Avocado, Ha-Jung Sung 2013 East Tennessee State University

Identification Of Acyltransferases Associated With Triacylglycerol Biosynthesis In Avocado, Ha-Jung Sung

Electronic Theses and Dissertations

A variety of plants synthesize and store oil in the form of triacylglycerols (TAG) in their seed and nonseed tissues that are commonly used as vegetable oils. In seed tissues, an acyl CoA-dependent diacylglycerol (DAG) acyltransferase (DGAT) and/or -independent phospholipid:DGAT (PDAT) catalyze the conversion of DAG to TAG. In avocado fruit, which stores up to 70% oil by dry weight in mesocarp, it is hypothesized that both DGAT and PDAT are likely involved in TAG synthesis. To investigate, TAG content and composition and transcript levels for the acyltransferases in avocado fruit were quantified by gas chromatography and real-time ...


Selections Of The Houghton Clones Of Cabernet Sauvignon, Glynn Ward, Ian Cameron, Richard Fennessy 2013 Department of Agriculture and Food, Western Australia

Selections Of The Houghton Clones Of Cabernet Sauvignon, Glynn Ward, Ian Cameron, Richard Fennessy

Bulletins

Cabernet Sauvignon is the premium red wine grape variety grown in Western Australia. The high quality wines produced have won prestigious awards and accolades nationally and internationally. The first clonal selection of Cabernet Sauvignon in Western Australia was conducted by the Department of Agriculture at the Houghton Vineyard in the Swan Valley from 1968 to 1970. The objective was yield improvement, vine health and fruit flavour. Twenty-one high performing vines were identified from vines planted in Houghton Vineyard in the 1950s as cuttings sourced from vines planted in the 1930s. These high performing vines became known as the ‘Houghton clones ...


Lower San Luis Obispo Creek Stewardship Plan, Raven Lukehart, Daniel Bohlman 2013 California Polytechnic State University - San Luis Obispo

Lower San Luis Obispo Creek Stewardship Plan, Raven Lukehart, Daniel Bohlman

Natural Resources Management and Environmental Sciences

No abstract provided.


Business Strategy For A Newly Designed Husk Fly Trap, Taylor Denney 2013 California Polytechnic State University- San Luis Obispo

Business Strategy For A Newly Designed Husk Fly Trap, Taylor Denney

BioResource and Agricultural Engineering

This senior project discusses the analysis, evaluation and business strategy for a newly designed Husk Fly Trap from Ag Chem Wholesalers located in Yuba City, California. This prototype is designed to hold 2 to 3 weeks’ worth of Ammonium Carbonate and alleviate the hassle of monitoring the Walnut Husk Fly. This system is cost affective, able to hold the same amount, or 2 – 3 weeks, of Ammonium Carbonate as a “supercharged” trap. The Prototype Trap is easier to handle by not having to replace blown away traps or ruined sticky cards saving Pest Control Advisors time and allowing them to ...


The Influence Of Organically Managed High Tunnel And Open Field Production Systems On Strawberry (Fragaria X Ananassa) Quality And Yield, Tomato (Solanum Lycopersicum) Yield, And Evaluation Of Plastic Mulch Alternatives, Jeffrey Thomas Martin 2013 University of Tennessee, Knoxville

The Influence Of Organically Managed High Tunnel And Open Field Production Systems On Strawberry (Fragaria X Ananassa) Quality And Yield, Tomato (Solanum Lycopersicum) Yield, And Evaluation Of Plastic Mulch Alternatives, Jeffrey Thomas Martin

Masters Theses

High tunnels extend the production season, and increase fruit quality, yield and crop marketability of high-value crops, but have been underutilized in the Southeast. In this study, organically managed variety trials of two high-value crops, strawberry (Fragaria x ananassa) and tomato (Solanum lycopersicum), were conducted in high tunnel (HT) and open field (OF) production systems to compare yield and quality. Furthermore, specialty crops are commonly grown on black plastic mulch to increase earliness of harvest, fruit quality and yield. However, plastic disposal is time consuming and costly. Degradable mulches reduce removal costs, lessen environmental impacts, and provide functionality during the ...


Groundcover Management System And Nutrient Source Impact Physical Soil Quality Indicators In An Organically Managed Apple Orchard, Neal Mays 2013 University of Arkansas, Fayetteville

Groundcover Management System And Nutrient Source Impact Physical Soil Quality Indicators In An Organically Managed Apple Orchard, Neal Mays

Theses and Dissertations

In March 2006, four groundcover management systems (GMS) and two nutrient sources (NS) were implemented for their ability to alter the soil physical condition of a newly established, organically managed apple (Malus x domestica Borkh.) orchard. Annual applications of municipal green compost (GC), shredded office paper (SP), wood chips (WC), and mow-blow (MB) grass mulch were utilized as GMS, and NS supplied to trees were from composted poultry litter (PL), a commercial organic fertilizer (CF), or an untreated control (NF) in a 4x3 factorial study. An established, conventionally-managed orchard was located adjacent to the organic research orchard on the same ...


Local Food And Agriculture Awareness: The Literacy Of Local Produce And Agriculture In Northwest Arkansas, Kyle Colton Flynn 2013 University of Arkansas, Fayetteville

Local Food And Agriculture Awareness: The Literacy Of Local Produce And Agriculture In Northwest Arkansas, Kyle Colton Flynn

Theses and Dissertations

The Center for Disease Control and Prevention (CDC) suggests that adolescents and children, both male and female, are failing to meet the daily fruit and vegetable consumption requirements (Kim et al., 2011; Upton et al., 2012; Harris et al., 2012). Other studies have shown that with increased exposure and availability of produce, students (K-5) tend to consume more fruits and vegetables (Cullen et al., 2009; Evans et al., 2012). The purpose of this study is to identify whether Northwest Arkansas eleventh grade high school students possess experience and knowledge of local produce and agriculture. Out of 1054 students enrolled at ...


The Impact Of Gut Passage By Binturongs (Arctictus Binturong) On Seed Germination, Christina P. Colon, Ahimsa Campos-Arceiz 2013 Kingsborough Community College

The Impact Of Gut Passage By Binturongs (Arctictus Binturong) On Seed Germination, Christina P. Colon, Ahimsa Campos-Arceiz

Publications and Research

Binturongs (Arctictis binturong) are the largest of Asian civets and, due to their highly frugivorous diet, are expected to play an important role in seed dispersal processes. To study the effect of binturong gut passage on seed viability, we fed 10 captive binturongs with fruits of longan (Dimocarpus longan), papaya (Carica papaya) and chiku (Manilkara zapota), collected the seeds they defaecated, and planted these to determine seed germination rate and time. Of the defaecated seeds, 90.4% passed through binturong gut intact in under nine hours, and 99.4% passed in under 33 hours. Chiku seeds had the highest germination ...


Enhancing Value And Marketing Options For Pawpaw (Asimina Triloba) By Developing Pulp Separation And Preservation Techniques, Patrick J. O'Malley, Lester Wilson 2013 Iowa State University

Enhancing Value And Marketing Options For Pawpaw (Asimina Triloba) By Developing Pulp Separation And Preservation Techniques, Patrick J. O'Malley, Lester Wilson

Leopold Center Completed Grant Reports

Project investigators tested the potential for production and utilization of the pawpaw as an alternative crop for Iowa fruit growers. Fruit from an ongoing trial was processed and preserved for future marketing.


A Warning System For Anthracnose Fruit Rot On Strawberries, Xiaoyu Zhang, Jean C. Batzer, Mark L. Gleason 2013 Iowa State University

A Warning System For Anthracnose Fruit Rot On Strawberries, Xiaoyu Zhang, Jean C. Batzer, Mark L. Gleason

Iowa State Research Farm Progress Reports

Anthracnose fruit rot (AFR) of strawberry is caused by three Colletotrichum spp. In the Midwest, however, only Colletotrichum acutatum is found. This fungus can attach itself to apparently healthy plants and spread throughout the field without causing symptoms on the foliage. When fruit beginsto ripen and weather conditions are rainy and warm, AFR can suddenly cause great damage to the fruit. To protect against AFR where it has appeared in the past, growers need to spray every 7 to 10 days beginning at the start of bloom until harvest.


Third Year Performance Of Honeycrisp On Dwarfing Rootstocks, Paul A. Domoto, Lynn R. Schroeder 2013 Iowa State University

Third Year Performance Of Honeycrisp On Dwarfing Rootstocks, Paul A. Domoto, Lynn R. Schroeder

Iowa State Research Farm Progress Reports

To evaluate the adaptability and performance of new and promising apple rootstocks in the dwarfing size-control category, a NC-140 regional rootstock trial was established in 2010 at 12 sites in the United States (CO, IA, IL, IN, MA, MI, MN, NJ, NY, OH, UT, WI), two sites in Canada (BC, NS), and one site in Mexico (CHIH) with Honeycrisp serving as the test cultivar. The Iowa planting, located at the ISU Horticulture Research Station, includes 31 rootstocks with new selections from theCornell-Geneva breeding program (G., CG.),Russia (B.), and Germany (PiAu , Supp.), with M.26, M.9 Pajam 2 and ...


Performance Of Gibson Golden Delicious On Dwarfing Rootstocks, Paul A. Domoto, Lynn R. Schroeder 2013 Iowa State University

Performance Of Gibson Golden Delicious On Dwarfing Rootstocks, Paul A. Domoto, Lynn R. Schroeder

Iowa State Research Farm Progress Reports

To evaluate the adaptability and performance of new and promising apple rootstocks in the dwarfing size-control category, a NC-140 regional rootstock trial was established in 2003 at 14 total sites in the United States (AR, CA, IA, GA, KY, ME, MI, NY, OH, PA, UT, WI), Canada (BC), and Mexico. The Iowa planting, located at the ISU Horticulture Research Station, includes 23 rootstocks with new selectionsfrom theCornell-Geneva breeding program (G., CG.),Russia (B.), Czech Republic (J-TE), Japan (JM.), and Germany (PiAu) with M.26, M.9 Pajam 2 and M.9 T337 serving as industry standards. These rootstocks are being ...


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