The two fundamental questions regarding self-incompatiblity: 1. the recognition Q: How does the pistil distinguish between self and non-self pollen? 2. the arrest Q: How does self-recognition eventually lead to the arrest of pollen tube growth?
1. the recognition Q: How does the pistil distinguish between self and non-self pollen? 2. the arrest Q: How does self-recognition eventually lead to the arrest of pollen tube growth?