The government's policies 'planted/sowed the seeds of' war/destruction. [=created a situation that led to war/destruction]
Her comment 'planted/sowed a seed of' doubt in his mind. [=caused him to begin to have doubts]
She grows her plants 'from seed'. [=by planting seeds rather than by some other method]
(..) ...would you do as councils have done before us? Christ.... Christ sacrificed his life for the betterment of humanity. So, too, may be the fate of his seed. Robert. When we land, you must go straight to your embassy. Is that so? Don't you see it? (..)2006 The Da Vinci Code