Branching is also influenced by temperature, and a hot summer increases the degree of branching. Branching is dominant to non-branching. In the most extreme non-branching type of broccoli, the plant is similar to a cauliflower in that no lateral buds develop in the leaf axils and, if the head is removed, no lateral buds will develop. Under these conditions, if the head is removed, no seed can be produced on the saved plant. The degree of branching varies, however, depending on the cultivar and the temperature. High temperature increases the degree of branching. Moderate branching is probably desirable, but excessive branching is not.
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