____are the common chemical agents (rooting powder) are mostly used to accelerate root growth in production.
A、Naphthylaceticacid;
B、Indolebutyricacid;
C、Abscisicacid;
D、Ethylene
发布时间：2025-08-06 17:47:54
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答案：Naphthylacetic acid; Indolebutyric acid; Abscisic acid; Ethylene
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