TY - JOUR AU - Nyquist, W. E. TI - Controlling molybdenum toxicity in livestock: Rust resistance in ryegrass JF - California Agriculture JO - Calif Agr Y1 - 1962/05/01 VL - 16 IS - 5 SP - 15 EP - 15 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v016n05p15 AB - Crown rust is the major disease of the ryegrasses in California. It is particularly serious in the Coastal areas, and can be quite prevalent in the Central Valley in late spring.