By necessity, commercial cropping concentrates plants of the same species into a small geographical location. …
Conventional
Bark Necrosis and Gummosis – Diagnosis and Treatment
Over the years, I have often been called out to examine orchards in which light …
Rust Disease of Stone Fruit & Nut – Biology, Distribution & Treatment
The rust diseases encompass a large group of pathogenic fungi that infect an equally large …
When is Enhanced Defoliation of Trees with Zinc Sulfate Advisable?
By Dr. Thomas T. Yamashita
The merits of enhanced defoliation with zinc sulfate are proven. In our western soils, zinc …
Almond Hull Rot (Brown Rot) – Treatment & Management
By Dr. Thomas T. Yamashita
Almond hull rot is a damaging disease. The freshly opened hull is colonized by either …
Methods for Releasing Tied-Up Minerals in Agricultural Soils
By Dr. Thomas T. Yamashita
‘Mineral tie-up’ is the phrase commonly used by growers to describe how critical minerals are …