UC ANR is committed to providing an accessible and inclusive web experience for all users. If you encounter an accessibility barrier on this or need content in an alternative or remediated accessible format, please contact anraccessibility@ucanr.edu.
Ah, what an intoxicating scent! If you've ever been around the winter daphne, Daphne odora, cultivar "Aureomarginata," you know that its aroma precedes it. You'll ask "What's that fragrance?" before you even see the showy pink-and-white blossoms and its green leaves edged in gold.
Dr. Arturo Calderon, Postdoctoral scholar, USDA and UC Davis has released an instructional video (in Spanish) on the use of the pressure bomb to measure grapevine leaf water potential. We hope you will find this video to be a useful training tool. http://www.youtube.com/watch?v=83FXDi8Vkxg
Of the one millions insects so far described, 120,000 are butterflies or moths, 150,000 are flies, 400,000 are beetles, and only 3000 are walking sticks. Which are my speciality. Not too much is known about walking sticks because not many people have studied them.
View new year-round IPM program video & year-round IPM programs to protect cole crops and pistachio from agricultural pests Got pests and want to use integrated pest management? Use a year-round IPM program.
When the honey bee meets the flowering quince, the bee is "the belle of the ball." The winter ball. Suddenly the flowering quince (genus Chaenomele) transforms the bleak wintery landscape into a spring ballroom of sorts. The giddy bee is a joy to see.
Weed control in onions can be challenging. Onions have various challenges that make weed control difficult. They grow slowly early in the crop cycle and never achieve a good competitive crop canopy to suppress weeds.