China: stems and leaves eaten. The plant is also the source of colza oil, which is used in cooking. Chemical composition (stem): Protein = 2.94%. Fat = 0.6%. Carbohydrate = 5.2%. Ash = 1.6%; (leaves): ...

The velvet longhorned beetle (Trichoferus campestris) is native in Asia and Russia and feeds primarily on orchard trees. It is able to feed on a variety of trees including hardwoods and cut spruce and ...

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DURING the year 1938–39 a stray plant of Brassica was discovered, in a lucerne field, which looked strikingly different from any of the plants in the very extensive collection of oleiferous ...