By mid- to late summer the grapevine smothers out the fruit clusters and tends to outgrow beyond its trellis. This leads to poor air circulation around the plant, blocking light penetration and paving the way to fungal diseases like downy mildew and powdery mildew that decimate the fruits. Selective leaf removal around the fruit clusters […]
Some plants can survive colder winter temperatures than others. Zone of cold hardiness refers to the plant’s ability to survive the winter. It plays a key factor in selecting landscape plants for the region. USDA has classified the entire United States into 13 plant hardiness zones based on their average, annual minimum temperature during 30 […]
Sherry Combs, formerly of the UW-Madison Soil and Plant Analysis Lab Revised: 10/27/2007 Item number: XHT1151 Is your soil pH too high? Probably not, although the popular press urges most gardeners to question whether their garden soil pH is ‘right’. Only a soil test for pH can indicate whether the pH is ‘right’, and ‘right […]
Authors: PJ Liesch, Annie Deutsch, and Christelle Guédot, UW-Madison Division of Extension Last Revised: 11/13/2019 X-number: XHT1098 Managing fruit crop insect pests can be very challenging. Pest control involving multiple approaches (referred to as “integrated pest management”) is generally the most effective and safest strategy. Before taking any management action, make sure to correctly identify any insect pest. […]
The blueberry is a wonderful fruit rich in vitamin C, dietary fiber, and vitamin E. Due to its popularity, there is a growing interest among gardeners to plant blueberries in backyard gardens.
Boost your garden’s production with mulches. This publication shows when to use organic mulches, like bark or leaves, and synthetic mulches, like plastic sheets, and teaches how to apply them.
Phenology is the study of the cyclical or seasonal nature of animals and plants. This seasonality allows us to predict quite well when an insect will be doing what, and thus, when we might find damage. Some damage that’s apparent right now is from the raspberry cane borer (Oberea perspicillata), a beetle in the family […]
Black stem borer (BSB), also known as the alnus ambrosia beetle, is an invasive beetle from Asia that was accidentally introduced into central Europe and North America. BSB has traditionally been considered a serious pest of nursery and landscape trees, but has also been reported as a pest of fruit crops. This factsheet describes the appearance, life cycle, scouting suggestions and control methods of this important pest.
What’s brown and fuzzy all over and green inside? Well, the kiwifruit, of course. This Chinese fruit was popularized when it was imported into New Zealand, renamed kiwifruit instead of Chinese gooseberry, and developed as an export crop. Today this fruit crop is grown in many places worldwide, but there is more than just the kind found at the grocery store. To learn more about kiwifruit, read this article…
Rhubarb is the first “fruit” of the season – used as a fruit, but grows like a vegetable. With huge leaves on long red to green petioles it can also make a dramatic statement in the garden. This old fashioned perennial is very easy to grow, coming back bigger year after year with little care. To learn more about rhubarb, read this article…
Blueberry maggot was first detected in Wisconsin in the summer of 2016, and is expected to eventually have a significant impact on blueberry production in Wisconsin. This pest feeds inside blueberry fruit causing it to become soft as it develops. This factsheet describes symptoms, the insect’s lifecycle, monitoring strategies and management methods.
Pest Alert Authors: Janet van Zoeren and Christelle Guédot, UW-Madison Entomology Last Revised: 04/17/2019 X-number: XHT1267 The African fig fly (AFF), Zaprionus indianus, is an invasive vinegar fly closely related to flies in the genus Drosophila [which includes the common vinegar fly (also sometimes called the common fruit fly) and spotted-wing drosophila (SWD)]. AFF is […]