Strawberries & Caneberries

The strawberry and caneberry (raspberries and blackberries) program is run by Mark Bolda and serves the grower community via traditional agricultural extension, research and investigation of problems in these important crops in Santa Cruz, Monterey, and San Benito Counties. Current areas of proposed research include enhancing yield and post harvest quality of promotion of winter strawberry production,investigations into the cost of production of caneberries, and being on the alert for issues arising from the transition from methyl bromide to alternative soil fumigants.

Strawberry Deficiency Book

Strawberry Deficiency Symptoms: A visual and Plant Analysis Guide To Fertilization has been reprinted and is now available. You can get your copy at our office for $17 plus tax or go to the publication website and order a copy. Use promotion code PRCRU44 when ordering on-line and you will receive 10% off.

Watsonville Strawberry Pomology Field Day 2012-1

Berry Links

Presentations from the 2012 Annual Central Coast Strawberry Meeting

Powerpoints from 2011 Panel Discussion of Entomology in Strawberries and Caneberries

LBAM - Small Farm Conference Presentation Mark Bolda 2011

Powerpoints from 2011 Annual Strawberry Meeting

UC IPM Website for Strawberries

UC IPM Website for Caneberries

Cost and Return Studies

Strawberry/Caneberry Staff

Photo of Mark Bolda Mark Bolda
Title: Farm Advisor Strawberries & Caneberries
Address:
Cooperative Extension Santa Cruz County
1432 Freedom Boulevard
Watsonville, CA 95076-2796
Phone: (831) 763-8025
Fax: (831) 763-8006
Email: mpbolda@ucdavis.edu

Mark Bolda's Blog

Sap Feeding Beetles on Strawberry
Posted 5/5/2012 - The pictures below are of a species of sap feeding beetles (Family Nitidulidae) found in one section of a local strawberry field. This case of these insects is pretty interesting simply because they are so uncommon to find in...

Round Up (Glyphosate) Damage in Raspberry
Posted 4/27/2012 - This comes up a couple of times every year so it is worth reviewing and certainly adds value to our catalogue of plant disorders on these berry blogs.The following plant sample of a proprietary variety was received 4/24/2012. One can see immediately...

Another Round of Rust on Blackberry
Posted 4/17/2012 - Here is another example of orange rust, which are caused by two fungi, Arthuriomyces and Gymnoconia, the two of which are distinguished by the shape of their spores and life cycle length. To re-iterate, growth of orange rust is strictly on blackberry...

Testing the Effectiveness in Strawberry of Phosphorous Fertilizer Additions in High Phosphorous Concentration Soils.
Posted 4/13/2012 - Some points to ponder on a rainy few days regarding phosphorous fertility in strawberries. Since the work described below was conducted both years in a soil of or above 80 ppm phosphorous, we can’t define where the agronomic threshold for crop response...

Watsonville Strawberry Pomology Field Day
Posted 4/5/2012 - The Watsonville Strawberry Pomology Field Day is planned for Tuesday, May 1:http://cesantacruz.ucdavis.edu/?calitem=159296&g=16662Featured will be an overview of short day and day neutral strawberry varieties, soil fumigation, entomology and current...

Fresas y Moras

Poniendo a prueba la eficacia de enmiendas de fósforo en suelos de alta concentración de fósforo.
Posted 4/20/2012 - Introducción: Hay un cuerpo de obras significativas en lechuga y varios otros vegetales en la costa central de California de las cuales manifiestan que arriba de un cierto umbral de concentración no haya reacción ninguna a fósforo (P) añadido al suelo. ...

Una vez más con roya en zarzamora
Posted 4/18/2012 - He aquí otro ejemplo de roya anaranjado en zarzamora, las cuales causadas por dos hongos, Arthuriomyces y Gymnoconia, los dos de los cuales son distinguidos por el tamaño y forma de sus esporos además de su ciclo de vida. A reiterar, infección de este...

Actualización de un Campo de Fresa Mostrando Daños de la Sal en Enero
Posted 4/10/2012 - Tengo actualizado el campo padeciendo quemadura de sal descrito por la primera vez el 6 de enero de este blog. Como se puede acordar, se determinó regar a aspersión después de descubrir tanto daño de sal con el fin de lavar las sales acumuladas fuera de...

Día de Campo de Pomología de Fresa
Posted 4/5/2012 - Se anunica el Día de Campo de Pomología de Fresa el martes, primer díade mayo.http://cesantacruz.ucdavis.edu/files/140059.pdf Se tratará de variedades de fresa de día corto y de día neutro, fumigación, entomología y temas actuales de manejo de...

Niveles de Suficiencia de Fresa Evaluado Nuevamente
Posted 3/9/2012 - Son desde hace más de 30 años que la Universidad de California publicó una guía de cómo hacer diagnosis de nutrientes en la hoja de fresa. (Publication 4098, ‘Strawberry deficiency symptoms: a visual and plant análisis guide to fertilization,...