- Author: Carl E. Bell
- Reposted by: Gale Perez
Reposted (with permission) from the UC ANR blog Invasive Plants in Southern California
Link to original post (December 6, 2013): Medusahead in San Diego County written by Carl Bell
Medusahead [Elymus (Taeniatherum) caput-medusae] is a relatively new but serious invasive grass in San Diego County. So far it is only known from infestations in the Santa Ysabel, west...
- Author: Carl E. Bell
- Posted by: Gale Perez
- Author: Brad Hanson
Grape Pest Management—Third Edition
Link to the long-awaited 3rd edition of the Grape Pest Management Guide
The 2nd ed. was published in 1992, so this edition has been a gestating a long time! The depth of the informaton (and the color photos) make it a fantastic guide and I'll be getting one for my bookshelf. ...
- Author: Brad Hanson
Reposted (with permission) from the Strawberries and Caneberries UC ANR blog
Link to original post (October 11, 2013): Clarification on the Use of Chateau (flumioxazin) prior to Strawberry Transplanting written by Oleg Daugovish, Steve Fennimore, and Mark Bolda
Great post Mark!
Brad
A response to the question posed to us...
- Author: Cheryl A. Wilen
- Posted by: Gale Perez
I recently met with a grower who wanted to put down a preemergent herbicide to get ahead of winter weeds. The crop he is growing has very limited choices but Surflan A.S. could be used. Surflan and other members of the dinitroaniline class of herbicides act by disrupting cell division in the roots of germinating seeds and resulting in death of the very young seedling before it even reaches the soil surface.
However, to be effective the herbicide needs to be where the root radicle of the seeds are so it either has to be incorporated mechanically or moved into the soil through rainfall or irrigation. The commonly accepted term for this is “activation”.
From the Surflan A.S. label:
