by Lodi Growers | Sep 8, 2015 | Blog, Uncategorized
Some grapevine diseases can be identified easily in the field by signs of the pathogen, which include microscopic and macroscopic microbial cells, tissues, and structures. For example, the appearance of the powdery mildew fungus on the surface of infected leaves and...
by Lodi Growers | Aug 25, 2015 | Blog, Uncategorized
California winegrape growers with losses due to grapevine red blotch-associated virus (GRBaV), the causative agent of red blotch disease, may be eligible for financial assistance for vine replacement from the U.S. Department of Agriculture’s (USDA) Tree Assistance...
by Lodi Growers | Aug 18, 2015 | Blog, Uncategorized
Those of us involved in agriculture are well aware of the increasing concerns about water in California. Even before the current drought, new water regulations were in the works, irrigation district water costs were increasing, and in many locations, access to...
by Lodi Growers | Aug 11, 2015 | Blog, Uncategorized
Visual identification of grapevine red blotch associated virus (GRBaV) may be a useful complement to lab testing of tissue samples. While not meant to replace the results from lab tests, visual identification may prove to be a useful method for quickly and cheaply...
by Lodi Growers | Aug 4, 2015 | Blog, Uncategorized
California’s historical climate is prone to deep and long-lasting droughts. Even in normal years, most of the precipitation occurs during the winter in the northern, eastern and coastal parts of the state, whereas most of the water demand occurs in the summer in the...
by Lodi Growers | Jul 28, 2015 | Blog, Uncategorized
This is the second of a two-part article on bunch rot in winegrapes. Last week’s article discussed Botrytis cinerea, including symptoms on various parts of the vine (foliage, canes, berries), the disease’s life cycle, recommended management considerations...
