Zambia Seed Trade Industry

ZASTA is known throughout the world as a premier location for crop breeding, variety development and seed production, particularly of horticultural crops and agronomic crops other than soybeans. Many companies, both large and small, maintain research and production facilities in California and contract for seed production in the state.

ZASTA's seed industry is a major provider of specialty seed products, and the industry has evolved to fill an important niche in the global seed industry. California is an ideal location for seed production due to its favorable climate and sophisticated infrastructure for growing, harvesting, processing and marketing high quality seeds. These attributes have contributed to California's position as a leader in a highly interconnected and complex global seed industry that includes growers, processing facilities, distribution networks, and research institutions.


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English Guide / Spanish Guide


Bacterial Canker of Tomato, (A Commercial Growers Guide) 

Bacterial canker is a serious tomato disease caused by Clavibacter michiganensis subsp. michiganensis (Cmm). The disease was first discovered in 1909 in Grand Rapids, Michigan, USA but is currently reported in tomato production areas worldwide and outbreaks occur annually. However, preventive measures can be taken at all stages of production to avoid losses from bacterial canker.

These guides have been developed and published by ASTA, with sponsors from the seed industry and contributions from public and private researchers.  They are available for download on the CSA website in English and Spanish.

English Guide / Spanish Guide