Brown rot surprises cherry growers

Tart cherry growers need to watch out for European brown rot as bloom arrives.

ADVERTISEMENT

Fast, easy test reveals fungicide resistance

  • July 1st, 2011

When disease organisms become resistant to a fungicide, spraying is like hitting them with rainwater—expensive rainwater.

In the last three years, Georgia and South Carolina peach growers have saved money from what would have been wasted sprays and lost fruit caused by fungicide-resistant brown rot—thanks to a Profile kit developed [...]

  • Peaches on ridges

Peaches on ridges

  • July 1st, 2011

Impressed by early research results, Titan Farms planted 200 acres of peaches on ridges to try out this new approach to Armillaria root rot.
Richard Lehnert

Since coming to Clemson University in 2000, Dr. Guido Schnabel has been taking on the two big disease problems that plague peach growers in [...]

  • Pear psylla pheromone discovered

Pear psylla pheromone discovered

  • June 1st, 2011

The newly discovered pear psylla pheromone is being tested in the field to find out how attractive it is to males. This mesh sticky trap has a septa of the chemical in the middle.
CHRISTELLE GUÉDOT, USDA

Scientists in Washington State have identified the sex pheromone of the pear psylla, [...]

  • Good Stuff

Good Stuff

  • June 1st, 2011

New spraying book
Dr. Andrew Landers’ new book Effective Vineyard Spraying is now available for purchase from Cornell University. Landers, who directs the application technology program at Cornell, has conducted sprayer workshops for growers from coast to coast. His practical guidebook is filled with suggestions to help growers save [...]

  • Fungicide tools and resistance management guidelines

Fungicide tools and resistance management guidelines

  • May 15th, 2011

As of spring 2011, growers in eastern Washington have several new fungicides at their disposal for managing powdery mildew.

For cherry growers, new products include Adament ­(tebuconazole + trifloxystrobin), Quash (metconazole), and Unicorn (tebuconazole + sulfur).

Four new materials are available for grape growers: Adament, Inspire Super ­(difenoconazole + cyprodinil), Unicorn, [...]

  • Stinkbug spreads in Pacific Northwest

Stinkbug spreads in Pacific Northwest

  • May 15th, 2011

Wasps that parasitize brown marmorated stinkbug eggs are being screened in quarantine.
Bugwood

Apple growers in the Mid-Atlantic region figure they suffered $37 million in crop damage last year caused by the brown marmorated stinkbug, and that’s not counting damage to other fruits such as peaches, grapes, and cherries in [...]

IPM in peril

  • May 15th, 2011

For nearly 40 years, integrated pest management  has been the hallmark of progressive thinking in fruit production and agriculture generally. If you used IPM, you were on the cutting edge.

So imagine how surprised New York growers were when state funding for the New York IPM program was slashed in [...]

Who’s making the decisions?

  • May 15th, 2011

A thousand pear growers in Washington and Oregon received a survey this spring asking about their pest management ­practices.

Dr. Jessica Goldberger at Washington State University’s Department of Crop and Soil Sciences in Pullman, is conducting the survey as part of the multiregion project “Enhancing Biological Control in Western Orchards.”

Teams [...]

  • Help needed for invasive stinkbug

Help needed for invasive stinkbug

  • May 1st, 2011

Brown marmorated stinkbugs overwinter in protected areas, emerge in April in the mid-Atlantic area, and lay eggs from May through August.

Entomologists in the mid-Atlantic states are still honing their pesticide recommendations so fruit growers will be prepared to battle the brown marmorated stinkbug this season.

While they think growers will [...]

  • Effective, economical weed control

Effective, economical weed control

  • May 1st, 2011

The Wonder Weeder and similar tools deliver orchard weed control at less cost than chemical controls.

The Holy Grail that organic apple growers are looking for is an organically acceptable herbicide that acts like glyphosate or paraquat, but isn’t. Most chemicals that will do that, like vinegar, are expensive because [...]

  • Cutting costs of IPM

Cutting costs of IPM

  • May 1st, 2011

Vince Jones at Washington State University is testing the new Z-Trap, which zaps insects and records when they were trapped. It might be possible to remotely identify the type of insect, also.

The key to integrated pest management is monitoring—knowing what is going on in your orchard.

“Monitoring is very, very [...]