What does coumarin do to seed germination?

seed germination is when you clean the seeds before you plant them and see if that affects the way they grow.

Yes because of Lauren Hallas.

the growth the plant

Germination is not a seed. Germination is the sprout of a seed.if a sunflower seed sprouts you have germinated that seed

Germination is the process whereby growth emerges from a period of dormancy. The most common example of germination is the sprouting of a seedling from a seed of an angiosperm or gymnosperm. However,...