Plants can recognize kin (quick post)

As with humans and other animals, the evidence is mounting that plants can also recognize genetic “kin” (other plants that are similar) and will adapt to help them in ways like constraining the spread of roots, changing the number of flowers produced, and shifting leaves to minimize shading of nearby plants. There is also evidence that rice and sunflowers planted with kin results in higher yields — https://bit.ly/2F9ZjAz.

(Elizabeth Pennisi, Science, January 3, 2019).

Sunflowers can recognize genetically-similar plants.

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