植物茎往上长时表现出负向地性.The main stems of a plant show negative geotropism as they grow upwards.根系向地性变化可由缺磷等因素所诱导, 且存在著一定的遗传变异性.Root gravitropic responses are adaptive , inheritable traits induced by low phosphorus availability a...

“向地性”的拼音为：xiàng dì xìng...

“向地性”的英语可以翻译为：geotropism ...