Years of low chill have been increasing in frequency over the past 50 years. UC Cooperative Extension Orchard Systems Advisor for Yolo, Solano, and Sacramento counties, Kat Jarvis-Shean said the …
California Chill Report: Starting Small with Dormancy Breaking Materials
Dormancy breaking materials can help growers overcome a variety of issues related to challenges pertaining to chill accumulation. Research Director at the MARI Agricultural Research Institute, Masood Khezri has been …
California Chill Report: Facilitating Bloom Synchronization to Boost Yields
Bloom synchronization in pistachio orchards is an important component of maximizing the potential for pollination. Research Director at the MARI Agricultural Research Institute, Masood Khezri has been looking at pistachio …
California Chill Report: Helping Pistachio Yield in Low Chill Conditions
Research Director at the MARI Agricultural Research Institute, Masood Khezri has been working on a project related to bloom synchronization in pistachio orchards. Part of the multi-year trial has included …
California Chill Report: Working to Refine Chill Modeling
Extension Specialist in Orchard Systems in the Department of Plant Science at UC Davis, Giulia Marino has been working to more thoroughly understand chill accumulation in cherry trees. The main …
California Chill Report: Increased Moisture Helping Winter Fog Events
Several storms that California has experienced are adding moisture to the ground and bringing more fog events than in previous winters. UC Cooperative Extension Orchard Systems Advisor for Yolo, Solano, …
California Chill Report: Storm Impacts on How Trees Experience Chill
Most of California has been experiencing a substantial amount of rain since the end of 2022 and that can have an impact on how trees are experiencing chill. UC Cooperative …
California Chill Report: Impacts of Straggled Bloom from Low Chill
A lack of chill accumulation can be challenging for growers later in the season, beginning with a straggled bloom. UC Cooperative Extension Orchard Systems Advisor for Yolo, Solano, and Sacramento …
California Chill Report: Dynamic Model A ‘Safer Bet’ for Measuring Chill
In keeping track of chill accumulation during the winter, growers may be best served by using the dynamic model. UC Cooperative Extension Orchard Systems Advisor for Yolo, Solano, and Sacramento …
California Chill Report: Researchers Look at Solutions to Dormancy Issues
Mild winters in recent years have been creating some dormancy issues in orchards that become apparent later in the season. Researchers have been evaluating different options that might assist walnut …
California Chill Report: Understanding Chill Accumulation
Growers keeping track of what winter temperatures have been doing in their orchards have a couple of different options. UC Cooperative Extension Orchard Systems Advisor for Yolo, Solano, and Sacramento …
California Chill Report: Progress Thus Far This Season
Chill hours are a primary factor in determining how well plants will emerge from dormancy – impacting bud break for both blooms and leaves. Delayed emergence can create management issues …
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