uses of plant hormones Flashcards
how are plant hormones used in rooting powder
gardeners take cuttings of plants to grow into new plants. dip the stalk end of the cutting into rooting powder. this contains auxins that cause the stalk to produce roots quickly. this helps the cutting grow well into fully developed plants.
how are plant hormones used in seedless fruit
hormones sprayed on to flowers can stop seeds developing in the fruits. they can also make the fruit grow larger. may people prefer large seedless fruit, so they are worth more money.
how are they used in selective weed killers
selective weed killers kill specific plants for the benefit of other plants
how are plant hormones used in fruit ripening
fruits with plant hormones sprayed onto them are firmer for longer. so during transport they will be firm. also they will be ripe at the tight moment for selling.