By Bhabesh Dutta, Carroll Johnson and Jason Schmidt Vidalia onion ranks first in terms of farmgate value among vegetables in Georgia, making it the most important vegetable crop in the state. Among the spring-grown onions in the United States, Georgia ranks first because Vidalia onions are predominantly grown in spring. Although most of the acreage is conventional, nearly 20 percent …
Suppress the Weeds, Not the Crop
Understanding herbicide injury in tomatoes can help growers protect their investment. By Ramdas Kanissery, Nathan Boyd and Camille McAvoy Herbicides are designed to control undesired plants within a cropping system. Crop injury can occur when herbicides are applied incorrectly. For example, injury can be the result of drift, volatilization, runoff, tank contamination or misapplication of a product. INJURY SYMPTOMS Injury …
Smart Sprayer Technology for Better Weed Control
By Arnold Schumann, Nathan Boyd, Shaun Sharpe and Jialin Yu Most vegetable and strawberry crops in Florida are grown on raised, fumigated soil beds covered with plastic mulch and fertigated with drip tape. Fortunately, the plastic mulch suppresses most weeds that would otherwise grow rapidly and outcompete the crops in Florida’s warm subtropical climate. The open holes that are punched …
Growing Multiple Crops on the Same Plastic Mulch
By Nathan Boyd Vegetable growers throughout the Southeast face intensive economic pressure from foreign competition, volatile markets and increased production costs. Alternative production systems are needed that reduce input costs and increase economic return. One potential approach is to grow more than one crop on the same plastic mulch. The vast majority of horticultural crops in the Southeast are grown …
Sneak Peek: March VSCNews Magazine
Weeds can be one of the biggest nuisances for a grower. The March issue of VSCNews magazine will give growers tips on how best to get out of the weeds. University of Florida (UF) researchers Ramadas Kanissery and Camille McAvoy discuss hyrdrogels as herbicide carriers in this month’s issue. They explain how hydrogels work and the advantages of applying them …
Roundup Presents Challenges for Growers
By Alison DeLoach A well-known herbicide for growers, glyphosphate (Roundup), can cause harm to crops if not properly applied. According to Stanly Culpepper, weed scientist with the University of Georgia, when applied too close to planting or when the application rate is too high, Roundup can severely damage a plant. When looking at the labels for Roundup PowerMAX II, there …
Gene Editing: Not Your Grandfather’s GMO
By Kevin Folta The refrigerator is a wonderful invention. It’s the place we find a cold drink on a hot day and the big box where we hide the cheese. Sometimes ice and water come right out of the door. Since its inception, the refrigerator allowed homeowners to store food, save leftovers and suffer less spoilage and waste. Most of …
Drones: Decision-Making Tools for Weed Management
By Ramdas Kanissery, Aditya Singh and Jim Fletcher Effective weed management in the field is one of many operational challenges faced by farmers across vegetable production systems. Spraying herbicide on emerged weeds, often termed as post-emergent sprays or burn-down applications, is essential for row-middle (inter-row) vegetation control in commercial vegetable production. EFFICACY EVALUATION Spray programs are usually conducted early in …
Sneak Peek: April 2018 VSCNews Magazine
Growers are constantly striving to cut costs while creating the best product possible. The April issue of VSCNews magazine features an article by University of Florida (UF) researchers Nathan Boyd and Arnold Schumann about a new technology that could drastically reduce the use of herbicides. Also featured in the April issue is an article by Jack Payne, University of Florida’s …
Effective Methyl Bromide Alternatives
By Jenna C. Vance and Stanley Culpepper Effective alternatives to methyl bromide do exist for fruiting vegetable and cucurbit cropping systems in the Southeast; albeit these alternatives are much more complex than in the “golden” methyl bromide days. Growers need to be much smarter and more efficient in their decision-making process, and they need to better understand the factors that …