Sweet potato seeds, that is, the seeds of leguminous potatoes; Seeds contain toxic ingredients. After sowing, the characters are unstable and it is easy to produce poisonous potatoes; Return to nature; So it can't be used to grow sweet potatoes. Generally, sweet potatoes are not propagated by seeds, but by seed blocks and seedlings.

Sweet potato seeds contain isoflavone derivatives, such as rotenone, phenylpyracoumarin and sweet potato lactone. People often use it to kill insects and get poisoned after eating it by mistake.