geotropism

n.

向地性，屈地性；

1. The main stems of a plant show negative geotropism as they grow upwards.
   植物茎往上长时表现出负向地性。

geotropism:
Geotropism
Geotropism
Early events in geotropism of seedling shoots.
Recovery of Geotropism after Removal of the Root Cap
Geotropism and the Lateral Transport of Auxin in the Corn Mutant Amylomaize
Geotropism in corn roots: evidence for its mediation by differential Acid efflux.
Root geotropism and the role of growth regulators from the cap: a re‐examination
Studies on the Geotropism of Roots: I. GROWTH-RATE DISTRIBUTION DURING RESPONSE AND THE EFFECTS OF APPLIED AUXINS
Phototropism and geotropism in maize coleoptiles are spatially correlated with increases in cytosolic free calcium
Correlations between proton-efflux patterns and growth patterns during geotropism and phototropism in maize and sunflower.
Transport & Distribution of Auxin during Tropistic Response. I. The Lateral Migration of Auxin in Geotropism
The Role of the Peripheral Cell Layers in the Geotropic Curvature of Sunflower Hypocotyls: a New Model of Shoot Geotropism