TIME OF SOWING, PLANT DENSITY, WEED CONTROL, CULTIVARS AND SEED YIELD OF BORLOTTO BEAN
Sowing in July, compared to May, gave a higher seed yield (2.4 vs 1.6 t ha-1), more seeds in the upper size class (80 vs. 58%) and a higher 1000 seeds weight (675 vs. 483 g).
The increase in plant density resulted in a quadratic yield increase: 1.4 t ha-1 with 29 plants m-2 and 2.0 t ha-1 with 39 and 50 plants m-2; with the latter a higher percentage of smaller seeds was also recorded.
Trifluralin coupled with hoeing gave the best weed control and had a positive effect upon the yield and the quality of seeds.
The cv. Bea, 'Mary', and 'Salinga' resulted unstable over the years in the environmental conditions of southern Italy.