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Review Of A Garden Of Marvels: How We Discovered That Flowers Have Sex, Leaves Eat Air, And Other Secrets Of Plants, By Ruth Kassinger, R. F. Diffendal Jr. 2015 University of Nebraska-Lincoln

Review Of A Garden Of Marvels: How We Discovered That Flowers Have Sex, Leaves Eat Air, And Other Secrets Of Plants, By Ruth Kassinger, R. F. Diffendal Jr.

Robert F. Diffendal, Jr., Publications

Until I read Kassinger’s book I clearly did not have the historical perspective necessary to appreciate the incredible lives of plants and how botanists have come to their present understandings of same. Kassinger, a gardener by avocation, cut out most of the jargon, defined terms that she does use, and wrote simple and compelling tales of the histories of discoveries about the various parts of plants and how those parts work together for the benefit of the plant and, ultimately, for our benefit.

[This] is a book that any gardener or other interested person with a modest background in ...


Assessing Net Returns To Blueberry Production Using A Decision Support Tool, Sokha Sok 2014 University of Arkansas, Fayetteville

Assessing Net Returns To Blueberry Production Using A Decision Support Tool, Sokha Sok

Theses and Dissertations

The purpose of this study was to develop and assess the profitability of four highbush blueberry farming systems in the south: organic field production, conventional field production, organic high tunnel production and conventional high tunnel production. Four baseline budget scenarios, one for each system, are developed for a 15 year production period. The results suggest that under expected production and price conditions for Northwest Arkansas, while all four production systems generated positive present value of net returns, the conventional field production produced the highest present value of net returns across the 15 years. The breakeven years of production were 7 ...


An Economic Analysis Of Wild Bee Pollination In Lowbush Blueberry Production, Francis A. Drummond 2014 Principal Investigator; University of Maine, Orono

An Economic Analysis Of Wild Bee Pollination In Lowbush Blueberry Production, Francis A. Drummond

University of Maine Office of Research Administration: Grant Reports

The purpose of this project is to determine the relative economic values of wild bee pollinators and commercial honeybees in lowbush blueberry production for individual Maine farms. The lowbush blueberry requires insect pollination in order to set fruit. Most farmers rent colonies of the non-native honeybee for pollination services, but wild, native bees are also effective pollinators. This project aims to provide growers with the means to assess the pollination needs of individual fields and to understand the levels of pollination possible if honeybees are not available. In order to achieve these goals, the relative abundance and species diversity of ...


Production, Marketing, And Handling Practices To Export Mcintosh Apples To Central American Markets, Mildred L. Alvarado Herrera 2014 University of Massachusetts Amherst

Production, Marketing, And Handling Practices To Export Mcintosh Apples To Central American Markets, Mildred L. Alvarado Herrera

Doctoral Dissertations

Latin America offers a marketing opportunity for fresh produce, since many countries are entering into global integration and international trade as part of their portfolio of economic growth. However, to take full advantage of these opportunities, many questions associated with the implementation of marketing approaches, fresh produce quality retention, and profitability need be answered before undertaking this business opportunity. When it comes to developing countries such as those in Central America, and in particular - El Salvador, Honduras, and Guatemala - language, culture, technology, competitiveness, regulations, poverty, and other barriers become challenges to enter these markets successfully. In order to better understand ...


Application Of Spatial Modeling Tools To Predict Native Bee Abundance In Maine's Lowbush Blueberries, Shannon J. Chapin 2014 The University of Maine

Application Of Spatial Modeling Tools To Predict Native Bee Abundance In Maine's Lowbush Blueberries, Shannon J. Chapin

Electronic Theses and Dissertations

Non-native honeybees historically have been used to pollinate many crops throughout the United States, however, recent population declines have revealed the need for a more sustainable pollination plan. Native bees are a natural resource that can play an important role in pollination. I used spatial modeling tools to evaluate relationships between landscape factors and native bee abundance, with a focus on the wild native bees that pollinate Maine’s lowbush blueberries. I applied the InVEST Crop Pollination ecosystem spatial modeling tool, which predicts pollinator abundance based on available floral resources and nesting habitat, to the Downeast Maine region. The InVEST ...


Influence Of Aba On Calcium Binding In Tomato Fruit And Its Impact On Fruit Texture, Kendall Cressman 2014 University of Tennessee - Knoxville

Influence Of Aba On Calcium Binding In Tomato Fruit And Its Impact On Fruit Texture, Kendall Cressman

University of Tennessee Honors Thesis Projects

No abstract provided.


Descriptive Sensory Analysis And Composition Of Blackberry Genotypes, Bethany Sebesta 2014 University of Arkansas, Fayetteville

Descriptive Sensory Analysis And Composition Of Blackberry Genotypes, Bethany Sebesta

Inquiry: The University of Arkansas Undergraduate Research Journal

Consumer interest in blackberries has been increasing due in part to reputed health-promoting factors. Appearance, flavor, and texture attributes of blackberry fruits are important to consumers. The objective of this study was to investigate correlations among sensory and composition attributes of blackberry genotypes from the University of Arkansas Division of Agriculture breeding program. Descriptive panelists evaluated attributes of 20 blackberry genotypes. Composition attributes were evaluated for these and two additional genotypes. ‘Natchez’ had the most pyrenes/berry and the highest levels of total ellagitannins. Selection A-2215 was scored highest for descriptive-evaluated sweetness and had the highest soluble solids content. Total ...


Growing Jujubes In Western Australia, Rachelle Johnstone 2014 Department of Agriculture and Food, Western Australia

Growing Jujubes In Western Australia, Rachelle Johnstone

Research Reports

The Chinese jujube (Ziziphus jujuba Mill.) is one of the most important fruit crops in China and has been commonly used as a traditional Chinese medicine and food for thousands of years. The jujube is widely grown in China with cultivation records going back more than 3000 years and can also be found in neighbouring countries. The jujube is a medium-sized tree, growing 7–10 metres high. The tree has shiny deciduous foliage and produces a fruit that is known as a drupe. The fruit varies in size depending on the cultivar, and it has a thin, dark red skin ...


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.


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.


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.


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 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


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.


Testing A Warning System For Anthracnose Fruit Rot On Day-Neutral Strawberry—Year 3, Xiaoyu Zhang, Jean C. Batzer, Mark L. Gleason 2014 Iowa State University

Testing A Warning System For Anthracnose Fruit Rot On Day-Neutral Strawberry—Year 3, 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 begins to 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.


Evaluating Perennial Crop Options For Inclusion In Agroforestry Systems, Jeff Jensen 2014 Trees Forever

Evaluating Perennial Crop Options For Inclusion In Agroforestry Systems, Jeff Jensen

Leopold Center Completed Grant Reports

The challenges and opportunities, including financial returns, were studied for six different perennial crops that can be used in agroforestry practices. Crops investigated were aronia berry, black walnut, chestnut, Christmas trees, elderberry and hazelnut.


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.


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.


Rubus L. (Raspberry, Blackberry, Bramble), Mark P. Widrlechner 2013 Iowa State University

Rubus L. (Raspberry, Blackberry, Bramble), Mark P. Widrlechner

Botany Publication and Papers

Plants shrubs (perennial herbs elsewhere), sometimes suckering or reproducing vegetatively from rooted stem tips. Stems (referred to as canes) biennial or (in sect. Rubus) occasionally persisting longer, prostrate, climbing, arched, or erect, all those found in Missouri armed with prickles, sometimes also with long, stiff bristles (except for horticultural selections); first year's stems generally vegetative (called primocanes), unbranched or few-branched (moderately branched in a few species); second year's stems fertile (called floricanes), usually dying back to the rootstock at the end of the second growing season. Leaves rarely evergreen. Stipules small to conspicuous, persistent, leaflike, fused to the ...


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 ...


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