Yearly Archives: 2017

Post-Harvest Walnut Navel Orangeworm Update-2016

Posted on January 13 2017 by Emily Symmes

Now that the 2016 season has come and gone, it is a good time to reflect on pest management issues and use information learned to improve our IPM program in the coming year. Navel orangeworm (NOW) appeared to be a significant factor again in 2016 in walnut damage assessments. A number of growers and PCAs were caught off-guard by the worm damage present in 2016. Here are some considerations for planning your integrated NOW management program for 2017. Continue reading →

Honeybees, Colony Strength, and Beekeeper Challenges

Posted on January 5 2017 by Joe Connell

Always be aware of honey bees when they’re in your orchard to pollinate your crop. After all, you’re paying good money for the bees to do a critical job! You can go a long way toward protecting the health of honey bee colonies by avoiding contamination of pollen and pollen foragers and by avoiding products with potential toxicity to honey bees or their larvae while bees are in your orchard. This is good husbandry and it’s in the interest of both the grower and the beekeeper. Continue reading →

Regional Changes in Groundwater Levels: Multi-year Drought Followed by Record Setting Wet Year

Posted on October 9 2017 by Allan Fulton

Trends in cumulative spring groundwater change by county are shown for a shallow well monitoring network and an intermediate well monitoring network across five northern Sacramento Valley counties.  The period of interest includes the spring of 2011 which was a wet water year, 2012 through 2016 which were a series of dry or critically dry water years, followed by 2017 which has been a record-setting wet year. Continue reading →