Chemotropism is the directional growth of plant parts in response to chemicals. An example is the growth of pollen tubes towards ovules during the reproductive processes of plants.
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Chemotropism is a plant tropic movement involving directional growth responses to chemical stimuli in the environment. In positive chemotropism, the plant exhibits growth towards the source of a specific chemical substance, while negative chemotropism involves growth away from it. An example of chemotropism is observed in the response of pollen tubes to chemical cues released by ovules during fertilization. Pollen tubes grow towards ovules, guided by chemical signals, facilitating successful fertilization. Chemotropism allows plants to navigate their growth in response to chemical gradients, playing a crucial role in reproductive processes and overall plant adaptation to environmental cues.