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水稻种植过程中, 植株在中后期易倒伏是常见问题。在适宜时期喷施适量的调环酸钙溶液, 能缩短水稻基部节间长度, 增强植株抗倒伏能力。下列叙述错误的是

Gaokao · Biology · previous-year question

A.调环酸钙是一种植物生长调节剂
B.喷施调环酸钙的关键之一是控制施用浓度
C.若调环酸钙喷施不足, 可尽快喷施赤霉素进行补救
D.在水稻基部节间伸长初期喷施调环酸钙可抑制其伸长

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