Figure 2From: Keel petal incision: a simple and efficient method for genetic crossing in Medicago truncatulaPosition of incisions used to artificially open the female flower bud to perform genetic crossing. A, Front cut method. B, Side cut method. C, Back cut method. D, Keel petal incision method. Arrows indicate the sites of the cut/incision made on the unopened flower buds to perform anther removal and artificial pollination. Bars = 0.5 mm.Back to article page