Your source for orchard news & information in the Sacramento Valley
In the Sacramento Valley, an autumn freeze has damaged walnut orchards every November for the last four years. Read this article for tips on freeze protection in your walnut orchard. Continue reading
Every year is a Cytospora canker year, and unfortunately, some years are also bacterial canker years. This spring farm advisors observed bacterial canker infections, read below for prevention practices. Continue reading
For any pest or disease like walnut blight that requires pesticide application to keep in check, there are four key pillars to successful management: timing, material, rate, and coverage. Read more for the latest updates for managing walnut blight in 2022. Continue reading
It can be difficult to know when to replace or remove tree cartons. Being too early (photo 1) or late (photo 2) with carton removal has been the source of numerous farm advisor calls over the years. Continue reading
Bacterial blast (Pseudomonas syringe), although thankfully not a problem every year (hopefully including 2022), can be tremendously damaging to almond yields. For example, significant crop damage was reported in the Sacramento Valley in 2017 and 2018, and in the San Joaquin Valley in 2017 and 2019. These grower reports of past crop loss supported a Section 18 emergency request for the use of kasugamycin on almonds during bloom. Continue reading
The higher the yield per acre early in the life of an orchard, the sooner the orchard covers development costs and returns a net profit to the grower. With new, well-anchored prune rootstocks now in the market, especially Krymsk 86 and Viking, it is worth reviewing young orchard pruning trial data. Continue reading
Cankers caused by fungi of Cytospora spp. can severely limit prune production; reducing grower income and potentially leading to early orchard removal due to scaffold and/or tree loss. This article provides information about how to control Cytospora in your orchard. Continue reading
Read this article for walnut orchard management tasks to keep in mind in November. Continue reading
With another record statewide crop to be shaken, swept, and collected starting in August, will you and your handler be prepared? Research by Bruce Lampinen (UCCE Specialist, UC Davis) and others has shown that properly dried nuts are the key to maintaining quality and grower returns during stockpiling. Continue reading
For the best returns and orchard health, ease up on irrigation before harvest, and after harvest keep up with irrigation until leaf drop. Continue reading
2020 brought yet another major autumn freeze. This article contains information about why the damage was so severe and what to do about it now. Continue reading
Read this article for almond orchard management tasks to keep in mind in May. Continue reading
Read this article to learn more about irrigation management for prune orchards using crop developmental stages and stem water potential measurements. Continue reading
As if 2020 didn’t bring enough grief, it appears to have also brought a major autumn freeze that growers and their consultants are now taking stock of. UCCE walnut advisors in the northern Sacramento Valley and Northern San Joaquin Valley have been fielding calls in the past couple weeks regarding extensive damage in young and mature orchards. Continue reading
Read this article for almond orchard management tasks to keep in mind in April. Continue reading