Which statement is true about plant hormones?
A. Treatment of barley seeds with gibberellin in beer production can reduce costs
B. For shoots with apical dominance, the lateral buds do not grow due to too low auxin concentration
C. Cytokinin promotes cell senescence and ethylene promotes fruit growth
D. The synthesis of plant hormones is not affected by environmental factors
Answer:A
Which statement is true about plant hormones?
A. Treatment of barley seeds with gibberellin in beer production can reduce costs B. For shoots with apical dominance, the lateral buds do not grow due to too low auxin concentration C. Cytokinin promotes cell senescence and ethylene promotes fruit growth D. The synthesis of plant hormones is not affected by environmental factors