“growth retardant”简单造句，growth retardant造句子

1、Study on influence of using plant growth retardant for three species of cold-seasonal grass;

3、Effects of plant growth retardants on the growth of shoot and production of flower of Lonicera japonica Thumb

2、Uniconazole is a high efficient plant growth retardant, which was applied extensively in many aspects of plant production in recent years.