Your source for orchard news & information in the Sacramento Valley
It is important to understand how mating disruption affects the ability to monitor codling moth in walnut orchards under mating disruption (MD) as well as in orchards in proximity to MD. Other monitoring methods are necessary in and near MD orchards to effectively manage codling moth populations. Continue reading
A bad gopher infestation can reach populations as high as 30-40 per acre. Feeding on the bark around the crown girdles the tree, leading to tree collapse or death. Here are the methods that do and don’t work for gopher control in orchards. Continue reading
Increased incidences of scale have been observed in Sacramento Valley walnut orchards for upwards of 10 years. Reasons for scale increases in walnut are not entirely known. Commonly, when a secondary pest emerges as a problem, it is because something … Continue reading
Dormant monitoring helps to decide whether to pursue treatments of some pests (primarily scales and mites) in the dormant or delayed dormant period. This timing can be quite effective. Coverage tends to be very good since there are no leaves … Continue reading
Too much rain for you this winter? This post contains information on record keeping and resources for damages related to the flooding observed this winter. Continue reading
Many almond growers in the Butte area were running sprinklers late last month for frost protection. I haven’t had any growers bring freeze damage to my attention yet, but over the last couple days several orchards began showing symptoms of bacterial blast. Continue reading
Reminder! Sutter-Yuba Counties IPM Breakfast Meeting next Tuesday, March 14th, 2017 at 7:30am. We will largely focus on orchards crops (but everything is on the table for discussion!). Planned topics include managing spring diseases in a wet year and getting … Continue reading
How are we doing on chill so far this year? Because there is not a CIMIS station close to Yuba City, Janine Hasey calculates chill based on a temperature recorder at the UCCE office in Yuba City. Chill data will be updated weekly. Continue reading
Various insects, birds, and other animals pollinate plants. Bees, especially honey bees, are the most vital for pollinating food crops. UC IPM developed Bee Precaution Pesticide Ratings to help pest managers make an informed decision about how to protect bees when choosing or applying pesticides. Continue reading
In a typical year, most almond orchards would have already been pruned by now. However, with the rainy conditions, some growers haven’t been able to get crews through the fields yet. See the full post for two videos (one in English, the second in Spanish) on pruning young almond trees. Continue reading
California DPR has granted an emergency exemption for fungicide applications to orchards that have standing water until June 1st, 2017. Keep reading for more information on which counties are affected and what restrictions you should keep in mind. Continue reading
Starting at 7:30am — We will largely focus on orchards crops (but everything is on the table for discussion!). Planned topics include managing winter & spring diseases in a wet year, pollinator safety during bloom, and getting your pest monitoring … Continue reading
We are in the midst of a new and changing era of Worker Protection Standards (WPS), which is meant to increase protections for agricultural fieldworkers and pesticide handlers from pesticide exposure when they’re working in farms, forests, nurseries and greenhouses. Keep reading to learn about current and upcoming changes, as well as information on Instructor Training Programs. Continue reading
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