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DIAGNOSING plant diseases. SOLVING agricultural problems.

Trical Diagnostics

Diagnosing plant diseases. Solving agricultural problems.

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Category: Vegetable Crops

BLACK ROOT ROT OF LETTUCE BECOMING MORE COMMON IN CALIFORNIA

Posted on September 24, 2018 by Steve Koike
BLACK ROOT ROT OF LETTUCE BECOMING MORE COMMON IN CALIFORNIA

In California, increasing numbers of cases of black root rot of lettuce have been documented in 2017 and especially in 2018. This continuing trend shows that this disease is becoming more important to lettuce growers on the coast. Because black root rot of lettuce can result in symptoms similar to those caused by other diseases, […]

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Fungal Disease Vegetable Crops

PYTHIUM ROOT ROT OF PARSLEY: NEW DISEASE IN THE USA

Posted on August 24, 2018 by Steve Koike
PYTHIUM ROOT ROT OF PARSLEY: NEW DISEASE IN THE USA

In California in 2017 and 2018, parsley fields in coastal counties showed signs of a root disease. Affected plants were stunted. The root systems were reduced and few small feeder roots remained, since most of the small roots had rotted away. The main taproots were dark and discolored both externally and internally. Leaves turned yellow […]

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Fungal Disease Vegetable Crops

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Trending Pathology & Extending Pathology: Blogs by Trical Diagnostics
Steven Koike

STEVEN KOIKE
Director
Trical Diagnostics

SKoike@trical.com


Blog Categories
  • Bacterial Disease (3)
  • Diagnostics (5)
  • Extending Plant Pathology (2)
  • Fungal Disease (12)
  • Nematode (5)
  • Non-parasitic Problem (1)
  • Strawberry (5)
  • TriCal Diagnostics News (4)
  • Vegetable Crops (12)
  • Viral Disease (3)

For shipping samples to TriCal Diagnostics Lab:

TriCal Diagnostics c/o Steve Koike
8770 Highway 25
Hollister, CA 95023
(Note: US Postal service will not deliver to this location.)

Salinas Sample Drop-off:
Grower-Shipper Association
512 Pajaro Street
Salinas, CA 93901

Watsonville Sample Drop-off:
Perry Laboratory
424 Airport Blvd
Watsonville, CA 95076

Contact Us:

diagnostics@trical.com
Steve Koike: 408-612-6729

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