tobacco

Not Exactly Rocket Science

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The partnerships between flowering plants and the animals that pollinate them are some of the most familiar in the natural world. The active nature of animals typically casts the plants as the passive partners in this alliance, but in reality, they’re just as involved. That becomes particularly apparent when the animals renege on their partnership.…

For centuries, farmers have been genetically modifying their plants without even knowing it. That’s the message from German scientists who found that grafting, a common technique used to fuse parts of two plants together, causes the two halves to swap genes with each other. Grafting can involve fusing the stem of one plant (the scion)…