Yield of broccoli strains: Investigations on the influence of summer planting dates on yield of four strains of broccoli
J. E. Knott, Experiment Station, Davis.
G. C. Hanna, Experiment Station, Davis.
California Agriculture 3(10):10-12. DOI: 10.3733/ca.v003n10p10.
Not available – first paragraph follows:
Broccoli quality is best if the flower-bud clusters reach market maturity in cool weather, although the early growth may take place at high temperatures.
J. E. Knott is Professor of Truck Crops and Plant Physiologist in the Experiment Station, Davis. G. C. Hanna is Lecturer in Truck Crops and Associate Olericulturist in the Experiment Station, Davis.