Plant Sciences Commons^™

Evaluation Of Cold-Hardy Grapes On The Wasatch Front, Michael Caron, Taun Beddes, Michael Pace, Brent Black

All Current Publications

Grapes can be an excellent addition to home gardens and a revenue opportunity for small-acreage farms. Utah’s Wasatch Front region, along with portions of Cache Valley, are well suited to grow grapes, particularly the more cold-hardy cultivars. Many new cold-hardy cultivars have been introduced over the last few decades, including both wine and table types. However, many of these newer cultivars have not been adequately tested in Utah’s unique climate. Utah State University Extension conducted a grape cultivar comparison planting in Lehi, Utah. This fact sheet reviews the outcomes of the study and offers information on tested varieties that have …

Techniques To Enhance The Attributes Of Wines Produced From Grapes Grown In Arkansas, Sarah Mayfield

Graduate Theses and Dissertations

Grapevines (Vitis spp.) are one of the most widely-planted horticultural crops, and the United States plays a major role in grape and wine production. Arkansas has a long history of grape and wine production with grapes grown in Arkansas including mostly native species, such as muscadines, and hybrids (crosses of Vitis spp.), such as Chambourcin. In addition, the University of Arkansas System Division of Agriculture (UA System) grape breeding program has cultivars and selections that have shown potential for wine production. The objectives of this research were to: evaluate effects of specific inactivated yeast application to Chambourcin grapevines on attributes …

Phylogenetic Diversity Of Arkansas Vineyard And Wine Microbiota, Natacha Cureau

Graduate Theses and Dissertations

Microorganisms inhabiting the soil, leaves, and grapes in vineyards influence the terroir, a set of environmental factors that impact wine characteristics. Previously, the main method to identify microorganisms was to culture on different media, but a large portion (> 99%) could not be cultured and were consequently unidentified. However, the emergence of new molecular tools has enabled further study and identification of microorganisms such as indigenous vineyard microbiota. The objective of this research was to investigate the phylogenetic diversity of Arkansas vineyard and wine microbiota using high-throughput sequencing. In terms of the Arkansas vineyards, the fungal and bacterial diversity of …

Effects Of Bacillus Mycoides Supplement In A Reduced Frequency Fungicide Program On Chambourcin Grapevines (Vitis Vinifera L.), Ryan Alan Mairs

Masters Theses & Specialist Projects

Fungal diseases pose significant challenges for grapevine producers in Kentucky due to the region’s abundant moisture and relative humidity. Methods to reduce fungicide application frequency would prove both economically and temporally valuable to producers. A field experiment was established in Bowling Green, KY in 2017 to investigate Bacillus mycoides isolate J (LifeGard) as a supplement to a fungicide program for systemic acquired resistance (SAR). Three fungicide treatment regimens were implemented consisting of a program modelled from the Midwest Fruit Pest Management Guide (2017) and an identical program supplemented with 140 g ha-1 LifeGard per application (both applied on 14 day …

Botrytis In Wine Grapes In Western Australia, Diana Fisher, Colin Gordon, Peter Wood

Bulletins 4000 -

Botrytis, causal agent Botrytis cinerea, is a fungal disease of grapevines that is commonly referred to as Botrytis bunch rot or grey mould. Botrytis is most prevalent where warm, wet conditions are frequent, but symptoms can occur in cool, wet weather and high humidity. All grape varieties are susceptible. Varieties most at risk are those with berries that are thin-skinned and/or have tight bunches.

Some white wine grape varieties infected with Botrytis may decay, in certain conditions to produce noble rot . Wine produced from these infected bunches produce unique aromatic characters with high residual sugar and are …

Development Of Redglobe Table Grapes For Export, Ian Cameron

Journal of the Department of Agriculture, Western Australia, Series 4

Exports wereonce a major outlet for the Western Australian table grape industry.

Over the last 20 years however, exports have fallen from 500 to 00 tonnes per year, despite an increase in the area planted to table grapes and an increase on overseas demand for our produce.

By 1993 less than 3 per cent of the table grapes produced in the State were exported.

The introduction of Redglobe, a new table grape varietyy from California, is expected to increase the export of table grapes from Western Australia to 1000t by 1997, when the variety will represent 90 per cent of …

New Grape Varieties For Premium Wines, A C. Devitt

Journal of the Department of Agriculture, Western Australia, Series 4

The quantity and style of wine consumed in Australia has changed dramatically since the 960s.

Besides the increase in consumption from 9 to 19.9 litres per head in the past 10 years, the major changes have been the greater importance of table wine, particularily white table wine, and the more exacting standards set by consumers and wine producers.

Also more importance has been placed on distinctive regional and varietal wines and the role of premium varieties.

The Dalmation Green Graft, D Mann, H. R. Rodda

Journal of the Department of Agriculture, Western Australia, Series 4

THE GREEN GRAFT, introduced to the Swan Valley by Dalmatian vignerons many years ago, is carried out in late November or early December, at the stage when the pith of the growing shoot is beginning to whiten.

Because stock and scion are green at this time and the shoots have not started to ripen, the green graft calluses quickly.

Thrips Damage Of Grapes, A N. Sproul

Journal of the Department of Agriculture, Western Australia, Series 4

IN mid-December, a few bunches of Semillon grapes were submitted for examination from a Caversham Vineyard.

Damage to grape berries by thrips has not been recorded before in Western Australia.

Black Spot And Powdery Mildew Of Grapes, H L. Harvey

Journal of the Department of Agriculture, Western Australia, Series 4

BLACK spot (or anthracnose) and powdery mildew (or oidium) are diseases that occur commonly on grape vines in W.A.

Weed Research. 8. Weed Control In The Vineyard, Geoffrey A. Pearce, W. R. Jamieson

Journal of the Department of Agriculture, Western Australia, Series 4

WEED control in the vineyard has been achieved by cultivation for many centuries and it is only during recent years that attention has been given to the use of herbicides for this purpose.

Today there is little risk to the vine in using any one of the herbicides listed in this article, and in general the main considerations governing the use of chemicals for weed control are the cost of the operation and the effect which it is desired to achieve.

Powdery Mildew Or Oidium Of Grapes, H L. Harvey

Journal of the Department of Agriculture, Western Australia, Series 4

POWDERY mildew or oidium, is a disease which is always present to a greater or lesser extent in grapevines in Western Australia.

In seasons favourable for its development it stunts the growth of shoots and leaves and may seriously reduce fruit yields and quality.

Most of our commonly-grown varieties are quite susceptible to the disease, but for the reason that currants are the most extensively grown variety, the overall losses are greatest in this variety.

The University Fruit Farm At Union, Nebraska, C. C. Wiggans

Nebraska Agricultural Experiment Station: Historical Circulars

The University Fruit Farm may be considered as a substation or detached portion of the Nebraska Experiment Station. It was established to assist in answering questions pertaining to fruit production, and only experiments of this sort are carried on. Supervision of this property rests with the Department of Horticulture of the Nebraska College of Agriculture. This circular has been prepared with the view of furnishing visitors to the farm with a brief outline of the experimental projects. Further information is available from either the local foreman or from the Department. Visitors are always welcome and helpful suggestions are solicited.