Abstract
Crambe is a winter crucible, with high oil content that serves as source of raw material for biodiesel production. It attracts the attention of the producers for having short cycle, which varies from 90 to 100 days. The experiment was carried out to verify crop development, submitted to the application of boron leaf application, as there is no information about the use of micronutrients. It was carried out in the municipality of Umuarama - PR, in a field whose soil is the typical dystrophic Red Latosol, arranged in a randomized complete block design with five replications. The treatments were the boron rates (0, 40, 80, 120 and 160 g ha-1), applied by leaf. Dry mass production, mass of 1,000 grains, yield and oil content were evaluated. Under the conditions that the experiment was conducted, it was verified that crambe respond positively to boron, between the rates of 96 and 135 g ha-1
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