Canadian Grain Commission
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Definition of sprout damage (SPTD)

Kernels are sprouted if one of the following conditions exist, as shown in these kernels of Canada Western Red Spring wheat.

A single kernel of wheat that shows a sign of sprout damage. A pale yellow area appears in the germ area of the kernel.A single kernel of wheat. The kernel is sound and does not show signs of sprout

Left: An example of a sprout damaged kernel. There is evidence of growth in the germ area of the kernel.
Right: The kernel is sound.

A single kernel of wheat that shows sprout damage. The germ is missing. There is a spot of grey discolouration at the bottom of the kernel.A single kernel of wheat. The kernel is sound and does not show signs of sprout damage.

Left: An example of sprout damaged kernel. The germ is missing from the kernel. There is grayish discolouration that usually indicates sprouting.
Right: An example of a sound kernel.

A single kernel of wheat that shows sprout damage. The bran is split.A single kernel of wheat. The kernel is sound and does not show signs of sprout damage.

Left: An example of a sprout damaged kernel. The bran over the germ is split by apparent growth.
Right: An example of a sound kernel.

A single kernel of wheat that shows sprout damage. The kernel is discoloured. The kernel appears shriveled and the bran is split.A single kernel of wheat. The kernel is sound and does not show signs of sprout damage.

Left: An example of a sprout damaged kernel.  The germ is intact, but it is swollen because of sprouting activity.
Right: An example of a sound kernel.