- Author: Richard Smith
Non- Impatiens Necrotic Spot Virus (INSV) Plants for Habitat Plantings
Richard Smith1, Daniel Hasegawa2, Kirsten Pearsons1 and Yu-Chen Wang1
1 - UCCE Monterey County and 2 - USDA ARS, Salinas
Growers plant habitat plantings to provide various benefits on the farm. Insectaries and hedge rows provide a food source and habitat for beneficial insects that can prey upon insect pests of crops. Plantings that occur on slopes and berms can also help stabilize the soil and compete with weeds. Additionally, cover crops provide numerous benefits to the soil and help cycle nutrients, but also provide habitat for beneficial insects.
However, given the wide host range of impatiens necrotic spot virus (INSV), it is critical to avoid planting species of habitat plants that serve as a host for INSV or the thrips that spread this virus. Over the past three years, Smith and Hasegawa have tested numerous plant species to address whether they can serve as a host for INSV. Table 1 shows results of a survey of plants in the Salinas Valley near areas affected by INSV. The greater the number of samples with a negative test provides greater confidence that that plant is not a host. Not all potential habitat plants have been tested to date and more sampling of other species needs to be carried out. However, given our current understanding, the plants shown in Table 1 would be the best candidate species to use as habitat plantings to avoid introducing a known host for INSV. Additional thrips transmission experiments to each of the described plant species will also help resolve their status as hosts for INSV.
Table 1. Recommended non-hosts species of INSV for use as habitat plantings on vegetable farms.
1 - The mustards used for cover crops (Brassica juncea and Sinapis alba) were not tested in the survey. The related weedy mustard species (B. rapa and B. nigra) both tested negative for INSV; however, Short pod mustard (Hirshfeldia incana) had 4% infected plants. Clearly, evaluations of cover crop mustards as hosts for INSV needs to be carried out to clarify their status
2 - There are numerous other species used in hedgerow plantings, but they have not been tested as hosts of INSV at this time.
- Author: Michael D Cahn
CropManage Hands-on Workshop
Bringing Irrigation and Nutrient Management Decision-Support to the Field
Date: Wednesday, March 29th, 2023
9:30 am – 2:30 pm
Location: Animal Services Center
Address: 12425 Monterey Road, San Martin, CA 95046
- Learn how to use CropManage to support irrigation and nutrient management decisions and record-keeping for your crops
- Learn about the latest updates to CropManage
- Learn how CropManage can assist with reporting requirements for Ag Order 4.0
CropManageis a free online decision-support tool for water and nutrient management of vegetables, berry, agronomic, and tree crops. Based on in-depth research and field studies conducted by the University of California Cooperative Extension, CropManage provides real-time recommendations for efficient and timely irrigation and fertilization applications while maintaining or improving overall yield.
At this free workshop, we will provide hands-on training so that you can learn to use the newest version of CropManage. Crops currently supported include many vegetables (carrots, cabbage, celery, broccoli, lettuce, tomato, spinach, etc.), berry crops (raspberry and strawberry), tree crops (almond, walnut, pistachio, prunes, and pear), and agronomic crops (alfalfa and corn). CropManage is also available in Spanish.
Who should participate? Growers, farm managers, other farm staff, crop advisors, consultants, and technical service providers are welcome. The workshop is for both new and current CropManage users. Spanish translation will be available. Lunch will be provided.
What to bring? This is a participatory workshop. Please bring a tablet or laptop computer so that you can follow along and participate in the exercises. Each participant will need a user account for CropManage. Please set up a free user account at https://cropmanage.ucanr.edu/ before the workshop. Please arrive early to set up your laptop or tablet computer on the wifi and get logged on to CropManage.
Registration is free: Please register here
by March 28th, 2023. Seats are limited to the first 40 registrants.
Agenda
|
9:30 – 10:00 am |
Registration and computer set-up |
|
10:00 – 10:30 am |
Introduction |
|
10:30 – 12:00 pm |
Getting started with CropManage |
|
12:00 to 12:30 pm |
Lunch break |
|
12:30 – 1:15 pm |
Using CropManage for decision support and record-keeping |
|
1:15 – 2:00 pm |
Group exercise |
|
2:00 – 2:30 pm |
Discussion / Q&A / wrap up |
CropManage Hands on Workshop Santa Clara County 2023 English
2023 CropManage Hands on Workshop Santa Clara County Spanish
- Author: Michael D Cahn
Fresno State Center for Irrigation Technology present
ADVANCED PUMPING EFFICIENCY PROGRAM (APEP)
Free in-person workshops at Taylor Farms Swale Ranch in Chualar, CA
Workshop Location
Taylor Farm's Swale Ranch
24228 Lincoln Street
Chualar, CA 93926
FOR GROWERS AND FARM MANAGERS FOR FIELD & IRRIGATION SYSTEM WORKERS:
Pump Efficiency and Variable Frequency
Drives (VFDs)
Tuesday, March 7, 2023
9:00 am to noon
Free lunch following the workshop
Click HERE to register and for more information
Eligible for 2 hours of CCA credits
FOR FIELD & IRRIGATION SYSTEM WORKERS
Pumps, Irrigation System Performance,
and Maintenance
Wednesday, March 8, 2023
9:00 am to noon
Free lunch following the workshop
Click HERE to register and for more information
CIT Flyer March 7 and 8 2023 APEP workshops FINAL v03 (3)
- Author: Larry J Bettiga
CENTRAL COAST WINE GRAPE SEMINAR
WHEN: Tuesday, March 7, 2023
WHERE: Monterey County Agricultural Center
1432 Abbott Street, Salinas, CA, 93901
TIME: Registration: 1:00 pm – Meeting: 1:30 – 5:00 pm
Agenda
Determining Nitrogen Nutritional Requirements of Grapevines - Matthew Fidelibus, Viticulture Specialist, Department of Viticulture and Enology, UC Davis, Kearney Agricultural Center.
Adapting CropManage Irrigation and Nutrient Management Decision Support Tool for Vineyards - Michael Cahn, Irrigation Advisor, University of California Cooperative Extension, Monterey, Santa Cruz and San Benito Counties.
Counting Every Drop: Use of Evapotranspiration Data for CropManage Evaluation - Lee Johnson, Senior Research Scientist, CSU Monterey Bay, Department of Applied Environmental Science, NASA Ames Research Center, Cooperative for Earth Science Research & Technology
Research Update on Sudden Vine Collapse and Wood Diseases of Grapevines - Akif Eskalen, Plant Pathology Specialist, Department of Plant Pathology, University of California, Davis.
Update on Local Vineyard Research Projects - Larry Bettiga, Viticulture Farm Advisor, University of California Cooperative Extension, Monterey, Santa Cruz and San Benito Counties.
PCA and CCA credits have been requested. For more information or directions call (831) 759-7350. Please call ahead for arrangements for special needs - every effort will be made to accommodate full participation.
CCWGS Agenda 2023
- Author: Michael D Cahn
Erin Dicaprio, Associate Professor of Cooperative Extension, Department of Food Science and Technology, University of California Davis has summarized information and resources for assessing crop food safety after a flooding event. There are links to the Leafy Green Marketing Agreement Flood fact sheet and also a presentation made by Trevor Suslow, emeritus UC Cooperative Extension Specialist. Please follow the link below.
