• Yeast tested as lure

Yeast tested as lure

  • November 1st, 2012

A species of yeast that University of California scientists have found in cherries and raspberries infested by the spotted wing drosophila could play a role in developing better lures to detect the pest.
The spotted wing drosophila, a pest that originated in Asia, first invaded ­California in 2008. If [...]

B.C.’s Sterile Insect Release program evolves

  • November 1st, 2012

In sterile insect release, male insects made sterile by exposure to gamma radiation are released in huge numbers to compete with normal wild males. When the sterile males win the mating game, females lay infertile eggs.

In mating disruption, female sex hormones are released in such volume that males can’t [...]

  • Seaweeds tested for pest control

Seaweeds tested for pest control

  • November 1st, 2012

Seaweed extracts are typically used by growers with the aim of improving tree growth and enhancing fruit yields and quality. Although the extracts are regulated and marketed as plant growth regulators, entomologists have been studying whether the products could also have benefits in terms of pest control.

Results of a [...]

  • Good to Know

Good to Know

Grape growers have been closely watching the spread of the brown marmorated stinkbug (Halyomorpha halys Stål). It was first identified in 1996 in Allentown, Pennsylvania, and has spread to 36 states. In 2010, a warm winter and spring caused an early population surge of BMSB that caught fruit and [...]

  • Parasite studied in quarantine

Parasite studied in quarantine

  • October 1st, 2012

Scientists around the United States are studying a natural enemy of the brown marmorated stinkbug that has been imported from China with the hope that it might help keep the pest in check in this country.

The parasitic wasp Trissolcus halyomorphae was collected in the fall of 2011 by U.S. [...]

  • Biocontrol veteran arms for battling brown marmorated stinkbug

Biocontrol veteran arms for battling brown marmorated stinkbug

  • October 1st, 2012

Pennsylvania State University’s Dr. David Biddinger is a veteran in the army battling for better biocontrol, and it’s had its ups and downs. But it has made him confident that patience and diligence can pay off.
Over the last ten years, he has been involved in the introduction of [...]

Good Stuff

  • October 1st, 2012

Bayer purchases AgraQuest
Bayer Crop Science, headquartered in Germany, has purchased the U.S. biological crop-protection company AgraQuest, Inc., for $425 million plus milestone ­payments, according to a Bayer news release.

AgraQuest, headquartered in Davis, California, is a global supplier of biological pest management products derived from natural organisms. Its production [...]

  • Stinkbug biocontrol

Stinkbug biocontrol

  • October 1st, 2012

Perdue University Extension

Brown marmorated stinkbug, an invasive insect from Asia, swept over the Mid-Atlantic states’ fruit crops like a tsunami in the fall of 2010, causing millions of dollars in damage to peaches and apples and leaving growers worried that it might be worse the next year.

It wasn’t. In [...]

  • Insect-resistant varieties

Insect-resistant varieties

  • October 1st, 2012

Scientists at Washington State University hope to breed apples with resistance to key apple pests.
Joseph Schwarz, a doctoral student with WSU in Wenatchee, this summer reported progress in identifying apple cultivars that seem less appealing than the standard varieties to codling moth and obliquebanded leafroller.

Genetically resistant varieties could [...]

  • Sweet!

Sweet!

  • September 1st, 2012

Scientists are testing a sweet idea that might help organic cherry growers manage insects, birds, and diseases all in one go.

Organic growers have been successfully using the GF-120 protein bait to control the key pest, cherry fruit fly, but it does not provide sufficient control of the spotted wing [...]

Soft spray program for pears

  • September 1st, 2012

Though a no-organophosphate codling moth control program is more expensive at first, it’s not long before growers are saving money, says Bruce Kiyokawa, a pest control advisor with Chamberlin Distributing Company in Hood River, Oregon.

Kiyokawa works with several pear growers who are participating in an areawide codling moth program [...]

Cooperative effort defeats pests

  • September 1st, 2012

An areawide effort to control codling moth without organophosphate chemicals has resulted in better control of both codling moth and pear psylla as well as lower pesticide costs for a group of pear growers in Hood River, Oregon.

Many of them are no longer applying pesticides for either pest during [...]