#196 - April 14, 2012


REMINDER: Please Fill Out Iowa Vineyard and/or Winery Survey

Dear Iowa Winery/Vineyard Owner
This linked Northern Grapes Project questionnaire should take about 20 minutes to complete
Iowa Wine Growers Association and Western Iowa Grape Growers Association members who helped to sponsor this survey received their survey request in an earlier e-mail request.
Information from non-members is also being requested. Non-members can fill out their survey here:
The Northern Grapes Project, which is funded in part by the United States Department of Agriculture (USDA), has established specific goals, intended to assist your business, to accomplish in the next five years. One of the goals is to conduct a baseline study, including economic impact, of the industry in each of the participating states. This survey will help accomplish this goal.
A follow-up survey will be conducted in 2017 to measure how the industry has changed.
The survey will benefit your business directly. Survey results will be shared upon completion of the study.
You will:
• Learn about the current state of the industry
• Identify growth patterns and changes
• Possess credible data on the economic impact of the industry in your state
• Be able to clearly articulate the value of the industry
• Be able to make more informed business decisions.
Your responses to the survey will remain CONFIDENTIAL. Results will only be reported as totals of all responses. No individual responses will be shared or published.
If you have any questions, please feel free to contact Brigid Tuck at University of Minnesota Extension. She can be reached at 507-389-6979 or tuckb@umn.edu .
The Northern Grapes project is a collaborative research and extension effort involving twelve universities, with the support of 19 producer groups ranging from Nebraska to New Hampshire. The basic premise behind the project is that new grape varieties have made it possible to produce grapes in regions previously considered too cold to support commercial grape production. Since the late 1990’s, these cultivars have spawned a new industry. Estimates indicate that over 3,000 acres of cold-hardy grapes are spread across the upper Midwest and New England, with most vines under 10 years old. Conservatively, the cold-climate cultivars support over 330 small wineries in twelve northern states.

New 2012 NY & PA Pest Mgt. Guide now posted Online (this is a good one!)

The 2012 New York and Pennsylvania Guidelines for Grapes is up on the web at: http://ipmguidelines.org/grapes/ . This is an excellent resource of information on management options for the various diseases, insects, and weeds and for information about their pest/disease cycles. The order form to obtain a printed copy of the publication is at: http://psep.cce.cornell.edu/Guidelines/pdf/2012%20Guideline%20Order%20Form%202-1-12.pdf
Sucker – A shoot arising from a bud below ground.
Water Sprout – A shoot arising from buds on the trunk.
Basal Shoot – A shoot arising from a bud at the base of a cane.

Early Assessment of Frost Injury on Grapes

by Paul Domoto, ISU Extension fruit specialist (domoto@iastate.edu )
On the mornings of April 10 and 11, most of Iowa experienced freezing temperatures low enough to injury emerging grape shoots. The charts report the temperatures recorded at various recording stations throughout Iowa and surrounding states. Temperatures in vineyards were probably different, but similar based upon the vineyard site characteristics.
 April 10 Min Temps MapApril 11 Min Temps Map
Provided by: Harry Hillaker, State Climatologist
The extent of injury was dependent on the temperature that occurred in the vineyards, and the stage of bud and shoot development. Vineyards in southern and southwest Iowa were further ahead, but generally did not experience as low temperatures as those that occurred in central and northern portions of the state.
At the ISU Horticulture Research Station, we recorded 24o on April 10 and 20o on April 11, and I did a preliminary assessment of the injury Wednesday afternoon of the cultivars in our NE-1020 grape cultivar trial plot. The results of that assessment for named cultivars is presented below with a chart on the critical temperatures for 10% and 90% of grape buds and shoots.
Cultivar Growth Stage % Dead buds & shoots
Least advanced Most advanced
Marquette Full swell 3rd leaf 90
La Crescent Full swell 2nd leaf 80
St. Croix Full swell 2nd leaf 80
Frontenac Full swell 1st leaf 20
Corot Noir 1st swell Bud burst 25
Petit Ami 1st swell Bud burst 10
Critical temps for grape buds chart
Based upon these preliminary results and critical temperatures for grape buds and shoots, the most advanced cultivars as Marquette, La Crescent and St. Croix suffered the greatest injury, while those that broke bud later, such as Frontenac, Corot noir and Petit Ami suffered much less injury (See images of Marquette, La Crescent and Frontenac). As the injured buds and shoots become drier, it will be easier to determine what is alive and dead.
So what’s the prognosis and what can be done? Many have already left longer spurs than normal with plans of double pruning to take advantage of the delay in emergence of buds closer to the base of the spurs.
If the entire shoot is dead, secondary shoots should emerge at the base of the dead shoots in about 10 to 14 days which will put the vines on a near-normal schedule. Depending upon the cultivar, those secondary shoots will vary in productivity from being almost as productive as the primary shoots to something less than half as productive as the primary shoots. Generally, the secondary buds of lubrusca (American)-type cultivars are less productive that the interspecific hybrid wine cultivars. For many cultivars, information on the productivity of the secondary shoots is avaliable in the Review of Cold Climate Grapes Cultivars that is posted on the ISU Viticulture Home Page http://viticulture.hort.iastate.edu/home.html.
If the base of the injured shoots remains alive, more than likely a non-productive lateral (axillary) shoot will emege from the green tissue and if this occurs, it will inhibit the emergence of the potentially productive secondary shoot. Therefore, to improve the potential productivity of frost-injured vines, any injured shoots that remain alive at the base should be removed.
Many cultivars produce basal shoots that develop from adventitious buds on the cordon at the base of spurs and spur arms. For some interspecific hybrid wine cultivars, these basal shoots can be productive and normally break bud a little later that the buds on the spurs and canes. In normal years, these adventitious shoots are removed early in the growng season to avoid over-production and excess shading. With the frost injury that has occurred, basal shoot removel should be delayed long enough to determine if there will be clusters on the shoots.
Where the frost killed just a portion of the primary shoots on various cultivars, it may be necessary to do some crop adjustment at veraison to even out the maturity of wine cultivars. Normally, a "green drop" (such as removing under-mature clusters) would be practiced at this time, but if only a few primary shoots survived, it many mean removing the most advanced clusters on the vines.

Marquette vineLa Crescent vineFrontenac vine

Vines top to bottom: Marquette, La Crescent, Frontenac








IQWC Sensory Training

 Flight of white wine
The Midwest Grape and Wine Industry Institute (MGWII) is once again offering a program that will benefit both beginners and established professionals who wish to produce, sell, serve, purchase, or simply enjoy quality wine! This course can also be used to certify those who wish to volunteer for the Iowa Quality Wine Consortium (IQWC) sensory panel.
Participants will learn a variety of skills in wine evaluation to become proficient in tasting wines critically. The workshops begin with the major components in wine including sugars, acids, alcohols and tannins. Exercises will be completed in white and red wine aroma identification, varietal identification, wine flaws and faults, and consistency in scoring among others. Attendance at workshop sessions is targeted to increase wine tasting acuity and prepare participants to successfully complete the proficiency test.
This is a 7-part workshop. There will be 6, 2-hour training sessions over the course of 6 weeks beginning May 9th. Each session will be held at a different winery located in different parts of Iowa, (see schedule below). Participants who attend at least 5 of the 6 sessions may test their proficiency if they wish. The test will be conducted at the MGWII located on the Iowa State University campus (date TBA). Those who pass the proficiency test have the option to volunteer on the IQWC sensory certification panel.
Cost (includes all 6 training sessions and voluntary proficiency test) red wine pour
IQWC members: N/A (included with membership)
Non-members: $50 per person
For IQWC membership information, contact Joan O’Brien, Iowa Wine Growers Association, 515-262-8323, joano@agribiz.org , http://iowawinegrowers.org/  
1:00 pm – 3:00 pm
Wed 09 May Breezy Hills Vineyard & Winery, Minden, IA
Wed 16 May Park Farm Winery, Bankston, IA
Thu 24 May Tassel Ridge Winery, Leighton, IA
Wed 30 May Jasper Winery, Des Moines, IA
Wed 06 June Santa Maria Vineyard & Winery, Carroll, IA
Wed 13 June Fireside Winery, Marengo, IA
Space is limited. To make your reservation, contact Tammi Martin, Midwest Grape and Wine Industry Institute, 515-294-3308, tkmartin@iastate.edu (Participants must be at least 21 years of age).

The fourth in a series of Webinars from the Northern Grapes Project has now been posted Online for viewing.

4-10-12 Grape Disease Management Basics (and All about Anthracnose)
This webinar along with the earlier three can be found here:http://northerngrapesproject.org/
Northern Grapes Project

4-21, Spring Management & Pruning Seminar – Chaska, MN

When: 9 a.m. – Noon, Saturday 4-21-12, 8:30 registration & coffee
Where: University of MN Horticulture Research Center, 600 Arboretum Blvd., Chaska, MN 55318
Who: John & Jenny Thull – Univ. of MN Research Vineyard
Cost: $15 for members, $25 for non-members

4-21, Regional Cooperation of Wineries from Enology to Marketing – Minden, IA

When: 12:30 to 5:00 p.m. Saturday, 4-21-12
Where: Breezy Hills Winery, 31735 Tamarack Rd. Minden, IA 51553 ph: 712-485-2083 7
Topic: This meeting will include three sessions designed to illustrate how regional cooperation can be beneficial to the wine industry. As we grow our Midwest wine markets and unlock the
potential of cold climate grapes, regional cooperation will serve both the industry and the consumer. We will explore how an AVA or regional designation can be maximized through a standardization of wine offerings, enology practices, and cooperative marketing. We will seek to understand the human aspects of terroir, and marketing practices leading to regional wines of a predictable quality, fostering positive consumer expectations and experiences. This will include a report on the process of petitioning for a Loess Hills AVA.
Speakers: Craig Tordsen - Iowa State University (ISU), Value-Added Agriculture Extension
Katie Cook - Enology Project Leader at the Department of Horticultural at the UMN.
Dr. Murli Dharmadhikari - Director of the Midwest Grape and Wine Industry Institute
Shirley Frederickson and Warren Johnson - Golden Hills Resource Conservation and Development
Cost: $20 per person, pay at the door
Pre-registration requested by contacting: Ronald Lindblom, VESTA Coordinator:
lindblomr@nicc.edu or 563-556-5110, ext. 474. Space is limited to 40 attendees.

5-6, West Central MN Wine Growers Spring Workshop – Carlos Creek Winery

When: noon to 8 p.m. Sunday, May 6, 2012
Where: Carlos Creek Winery 6693 County Road 34 NW, Alexandria, MN 56308
Tentative Agenda:
Winery Tour with CCW Winemaker Russ Funk - focus on testing for harvest parameters
Tom Plocher (Petite Pearl Hybridizer) on Petite Pearl & New Grape Research in ND
Tami Bredeson on selling grapes to wineries & grower contracts
Larry Shafer (Agro-K) on chemical frost protection methods & vine nutrition
John Marshall (Great River Vineyard) on Vine & Vineyard Management
Airblast Sprayers for small vineyards - speaker pending
Vineyard Tour with Kim Bredeson, featuring Petite Pearl & Haskap Plants & vineyard
Wine Sampling (Bring yours!)
Cost: $25 each, includes workshop, wine tasting and dinner
Please RSVP: by calling 320-846-5443

8-16, 4th Annual International Cold Climate Wine Competition

MGGA logoThe 2012 International Cold Climate Wine Competition will be held August 16, 2012, at the University of Minnesota’s Continuing Education and Conference Center in St. Paul. Registration will begin in mid-May and all submitted wines must be received by August 10th.
Watch for forthcoming details at http://www.mngrapegrowers.com/competition

Notable Quotables

"Men who drink two pints of beer before tackling brain teasers perform better than those who attempt the riddles sober, scientists have found."
From: Alcohol sharpens the mind, research finds, 4-11-12 – UK Telegraph
"The entire nation of Chile has made it a point to be the leading producer of organic wines."
From: Organic wine availability is growing, 4-11-12 – Scranton, PA Times Tribune

Marketing Tidbits

1. (Below) Key Findings from Nielsen’s "State of The Social Media Report" Q3 -2011. You can read the entire report here: http://blog.nielsen.com/nielsenwire/social/
Key Findings from Nielsen’s "State of The Social Media Report"
2. How to Get Your Business Started on YouTube, 4-10-12 – PC World: http://www.pcworld.com/businesscenter/article/253382/how_to_get_your_business_started_on_youtube.html
3. The Conversation Index, a 36 page customer survey report. "What influences your customers? And how should what you learn about them influence the decisions your brand makes? From Bazaar Voice: http://www.bazaarvoice.com/static/Conversation_Index/Bazaarvoice_Conversation_Index_Volume3_online.pdf
4. "Wine tastes better if a winery is difficult to pronounce, according to new research. Dr. Antonia Man-tonakis at Brock University found English-speaking wine consumers were more likely to buy from a win-ery with a difficult-to-pronounce name. Participants also rated wine more highly in a blind tasting, and were prepared to pay more money for the same wine, if it had a name that was difficult to say in English. Why? A simple answer, according to Mantonakis. "Wines are associated with more difficult-to-pronounce names are associated with higher ratings."
From: That Wine’s a Mouthful, David Wilkening - April 2012 Sommelier News, International Sommelier Guild
5. 3 Basic Rules for HTML E-mail, 4-6-12 – The Buzz Bin: http://www.crttbuzzbin.com/2012/04/06/3-basic-rules-for-a-successful-html-e-mail/

Show n Tell (assorted frost pictures)

Frost damaged Marechal Foch grapes(Right) Picture of frosted Marechal Foch grape at Barrel Head Winery near Dubuque, IA. Temperatures reached 25-27°F for 2 nights before this picture on 4-12-12. John Burns sprayed a mixture of 1qt. of Sysstem Cal and 1 gallon of KDL /acre from Agro K during the day prior to the first night of frost. He sprayed it through a PAK Blast Sprayer.
The frosted shoots did not receive any treatment. The green shoots received the treatment. John was very pleasesd with the results and invites anyone out to see how the KDL worked.
Frost damaged Edelweiss grapes
(Left) 4-12-12 Frosted Edelweiss grape at Two Saints Winery near St. Charles, IA. Their Edelweiss, Marquette, Esprit and Noiret were hit by frost. The Frontenac, Leon Millot, St. Pepin and Seyval made it through OK.
Frost damaged Marquette grapes
(Right) 4-10-12 Kevin Smith at Middle River Vineyard near Carlisle, IA shared this picture of his frosted Marquette. Marquette broke bud very early this season and was hit hard all across Iowa.

Neeto-Keeno WWW Stuff

1. International Sommelier Guild (Great Newsletter): https://www.internationalsommelier.com
2. TTB is streamlining their COLA label approval process: http://www.ttb.gov/labeling/streamlining-accomplishments.shtml#accomplishments

Articles of Interest

1. OR: Three herbicides imperil West Coast salmon, says government report, 4-11-12, Central Valley Business Times – Seattle: http://www.centralvalleybusinesstimes.com/stories/001/?ID=20823 [Surflan (oryzaline) – Prowl (pendamenthalin) – Treflan (trifluralin)]
2. What’s the rule for how long a wine should be left to breathe in a decanter?, 4-11-12 – Blog Your Wine: http://www.blogyourwine.com/2012/04/11/whats-the-rule-for-how-long-a-wine-should-be-left-to-breathe-in-a-decanter/
3. IA: Yard and Garden: Damage Caused by Freezing Temperatures, 4-13-12 – ISU Extension: http://www.extension.iastate.edu/article/yard-and-garden-damage-caused-freezing-temperatures
4. WI: Frost wreaks havoc on Wollersheim wines, 4-13-12 – Wisconsin State Journal: http://host.madison.com/wsj/business/frost-wreaks-havoc-on-wollersheim-vines/article_f995fc08-8503-11e1-84b5-0019bb2963f4.html

Videos of Interest

1. IA: FROST WORRIES: Frost Could Kill Grape Crops, 4-10-12 – WHO-TV13, Des Moines: (Jean Groben at Jasper Winery and Ron Mark at Summerset Winery are interviewed)
2. IA: Iowa’s grape crop hurt by this week’s frost, 4-12-12 – KWWL TV7, Dubuque:

Calendar of Events

4-(17-19), License to Steal at the Lodge at Geneva, Ohio. Details here: http://nationalwinemarketing.com/
4-21, Regional Cooperation of Wineries from Enology to Marketing - Breezy Hills Winery, 31735 Tamarack Rd. Minden, IA. Contact: Ronald Lindblom lindblomr@nicc.edu or 563-556-5110
5-6, West Central MN Grape Growers Workshop – Carlos Creek Winery 6693 County Rd. 34 NW Alexandria, MN 56308 RSVP & Details: 320-846-5443
5-28 thru 6-2, French/Italian Mediterranean chartered wine cruise, Washington State Viticulture & Enology Program. Pricing starts at $2,450 per person: http://cahnrsalumni.wsu.edu/cruise/
6-(1-2), WineMaker Magazine Annual Conference, Ithaca, NY. Details: http://www.winemakermag.com/conference
6-5, Missouri Grape Growers Association Annual Field Day. Details later.
6-(7-10), 6th Annual Conference of the American Association of Wine Economists (AAWE), Princeton, New Jersey. Hosted by Princeton University and Rutgers University. Details will be posted at www.wine-economics.org .
6-(8-10), Kothe Distilling Technologies Distillation workshop - Chicago, IL. Cost: $799 each, max of 30 participants
6-(18-22), 63rd American Society for Enology & Viticulture (ASEV) National Conference, Portland Marriott Downtown Waterfront – Portland, OR: http://asev.org/national-conference-2012/
7-(15-19), 37th American Society of Enology ASEV-Eastern Section (ASEV-ES) Annual Conference - Traverse City, MI: http://www.asev-es.org/
7-17, Field Day: Northern-Hardy Fruit Evaluation Project at NDSU Carrington Research Extension Center, Carrington, North Dakota. http://www.ag.ndsu.edu/CarringtonREC / 701-652-2951
7-(25-27), Society of Wine Educators 30th Annual Conference – San Mateo, CA. Details here: http://www.societyofwineeducators.org/conference.php
7-29, Minnesota Grape Growers Association Annual Picnic – Round Lake Vineyard, 30124 State Hwy 264 Round Lake, MN 56167 Details: http://mngrapegrowers.com/mgga-annual-picnic1
8-16, International Cold Climate Wine Competition, University of MN Continuing Education Conference Center: http://www.mngrapegrowers.com/competition
9-8, UMN (Tentative) Annual Horticulture Research Center Vineyard & Winery open house, Excelsior, MN. Details later.
Iowa Quality Wine Consortium
Past issues archived as html and/or pdf here:
Michael L. White,
ISU Extension Viticulture Specialist
909 East 2nd Ave. Suite E, Indianola, IA 50125-2892
ph: 515-961-6237, fax: 6017, cell: 515-681-7286
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