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potato psyllid update

Potato     
September 26, 2014 by Erik Wenninger

Most of our fields have now undergone vine kill and are no longer being monitored. The busy harvest season has delayed delivery to our lab of some cards from this week (including those from a few sites in western Idaho that have been trapping the most potato psyllids); those results will be posted as early as possible next week. Among the few remaining sites still being monitored, we did trap one psyllid in Cassia County (the first capture at that site this year) and a few psyllids at two different sites in Canyon County.

In addition, a psyllid that was collected from a Canyon County field on Sept 8 tested positive for liberibacter, the bacterium that causes zebra chip.

Detailed results for the “intense” fields, which are monitored with 10 sticky traps, vacuum samples, and leaf samples are here:

https://docs.google.com/spreadsheet/ccc?key=0AuZRwfbNUs2YdG15WTNRMkEteHRWRGhpM2ltSXBiR3c#gid=0

Detailed results for the “light” fields, which are monitored with 4 sticky traps are here:

https://docs.google.com/spreadsheet/ccc?key=0AuZRwfbNUs2YdGVrX2t2NGs0YzlYYUZaQkNaejhES2c#gid=0

More information and resources on potato psyllids and zebra chip, including management and scouting recommendations, can be found at the link below.

http://extension.uidaho.edu/kimberly/tag/potato-psyllid-and-zebra-chip/

More information...
 
 

Pesticide Disposal Program

Announcements     
Canyon county, Idaho
September 25, 2014 by Jerry Neufeld

Click on the pdf below for information about the Idaho State Department of Agriculture’s Fall 2014 Pesticide Disposal Program for several locations across southern Idaho.

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More information...
 
 

potato psyllid and ZC update

Potato     
September 19, 2014 by Erik Wenninger

Potato psyllids continue to be trapped at relatively high rates in just a few fields in Western Idaho (Canyon, Owyhee, and Elmore counties). We also trapped one psyllid in a field in Jerome County this week. None of the psyllids tested from last week was positive for liberibacter (Lso), the bacterium that causes zebra chip. During this busy harvest season, we are still waiting for some cards to come into our lab, so those results will be posted as early as possible next week.

Many of the fields we are monitoring have undergone vine kill. For those fields that have yet to be vine killed, it is important to consider management options for psyllids and zebra chip in order to keep the crop protected until harvest—especially in western Idaho where psyllid numbers have been higher.

Detailed results for the “intense” fields, which are monitored with 10 sticky traps, vacuum samples, and leaf samples are here:

https://docs.google.com/spreadsheet/ccc?key=0AuZRwfbNUs2YdG15WTNRMkEteHRWRGhpM2ltSXBiR3c#gid=0

Detailed results for the “light” fields, which are monitored with 4 sticky traps are here:

https://docs.google.com/spreadsheet/ccc?key=0AuZRwfbNUs2YdGVrX2t2NGs0YzlYYUZaQkNaejhES2c#gid=0

More information and resources on potato psyllids and zebra chip, including management and scouting recommendations, can be found at the link below.

http://extension.uidaho.edu/kimberly/tag/potato-psyllid-and-zebra-chip/

More information...
 



What is the Pacific Northwest Pest Alert Network?

This website utilizes a network of growers around the Pacific Northwest. As information about pest infestations becomes available, registered users will receive updates pertaining to the specific crops that they may be growing at the time.