Growth factor for influenza bacteria

Also in this issue:

Measurement of forage and sheep production on native range and pastures fertilized with nitrogen and phosphorus

Eradication of noninfectious bud-failure in almonds objective of breeding program

New variety Blanco Mariout barley may replace other varieties in some growing areas

Respiratory diseases in chickens

Relationships between sprouting in chamise and the physiological condition of the plant

New strawberry varieties Fresno, Torrey, Wiltguard for California growing areas

Investigations of lygus bug damage to table beet seed plants

Response of Bartlett pear to nitrogen in California

Effect of aphid wing movement on virus transmission

Hard seed in range legumes

Phosphorus nutrition in annual legumes

Composition and Quality of Musts and Wines of California Grapes