geotropic

/ˌdʒiːəˈtrɑːpɪk/
adjective
  1. Relating to or exhibiting the growth or movement of a plant in response to gravity (growing downward toward the earth).
    • Many gardeners rely on the geotropic nature of carrots to produce straight roots.
    • Scientists studied the geotropic behavior of seedlings in a rotating laboratory.
    • The geotropic response of roots helps them grow deep into the soil.
Antonyms
What does "geotropic" mean? | whatsthatwordmean | whatsthatwordmean