By Dr. Thomas T. Yamashita
Vineyards, like many permanent crops, oftentimes experience a steady decline in vigor, yield and quality. …
Plant Diseases
Alternate Bearing: Why Trees Have Bumper Crops Followed by Poor Years
By Dr. Thomas T. Yamashita
Apples, pistachios and pecans are but a few notorious agronomic plants which experience alternate bearing. …
Soil Programs for Preventing and Remediating Viral Plant Diseases
By Dr. Thomas T. Yamashita
Viruses constitute one of the most sophisticated pathogens known to man. They are entirely dependent …
Prevention and Management of Noninfectious Bud Failure
By Dr. Thomas T. Yamashita
The majority of people fall into what might be considered the spectrum of “normality” when …
Protecting Walnut Trees from Crown Gall
By Dr. Thomas T. Yamashita
Crown gall is caused by the bacterium Agrobacterium tumefaciens. The bacterium is drawn to …
Multiple Roles of Selective Soil Microbial Enhancement
By Dr. Thomas T. Yamashita
Characteristics of Productive Virgin Soils
A consistent characteristic of productive, virgin soils is the presence …
