Viticulture Publications

Ensuring Food Safety in the Vineyard: Wine Grapes 2019

-Grapes must be unadulterated and safe for consumption, this includes grapes that are produced for wine. Two different United States (U.S.) Federal Acts govern the safety of grapes. The Food Safety Modernization Act and the Food, Drug, and Cosmetic Act. Both of these Acts are regulated by the U.S. Food and Drug Administration. (PDF)

Ensuring Food Safety in the Vineyard: Table Grapes 2019

-Focuses on the reduction and prevention of food safety risks, and encompasses the entire food chain. FSMA includes seven major rules, recognizing that food safety is a shared responsibility. The FSMA Produce Safety Rule provides guidance to growers on standards for the safe growing, harvesting, packing, and holding of fruits and vegetables grown for human consumption. (PDF)

Collecting Grape Petioles for Tissue Analysis
Prepared by: Dr. Paul Domoto, Dept. of Horticulture (July 2011)
Iowa State University, University Extension

Composition of Grapes - Grapes are the most important raw material for making wine. A good understanding of grape composition is essential to understanding the process of winemaking and making better quality wine. Text by Murli Dharmadhikari, Iowa State University. (PDF)

General Use Vineyard Scouting Form (PDF)

Wine Grape Cultivar Trial Performance in 2006 - To assess the regional adaptation of wine grape cultivars to Iowa, a trial was established in 2003 through an Iowa Department of Agriculture and Land Stewardship (IDALS) specialty crops grant awarded to the Iowa Wine Growers Association. (PDF)

Grape Cultivar by Management System Trial Performance in 2006
 - To identify grape cultivars adapted to Iowa, a cultivar by management system trial was established in 2002 at the ISU Horticulture Research Station (HRS) and the ISU Armstrong Research Farm (ARP) with the help of a grant from the Leopold Center of Sustainable Agriculture. (PDF)