ChEBI

Any minor or unwanted substance introduced into the environment that can have undesired effects.

Any compound that inhibits one or more steps in the pathway leading to the synthesis of gibberellins.

A chemical, natural or artificial, that can affect the rate of growth of a plant.

A xenobiotic (Greek, xenos "foreign"; bios "life") is a compound that is foreign to a living organism. Principal xenobiotics include: drugs, carcinogens and various compounds that have been introduced into the environment by artificial means.

An agrochemical is a substance that is used in agriculture or horticulture.

A compound that, on administration, undergoes conversion by biochemical (enzymatic), chemical (possibly following an enzymatic step), or physical (e.g. photochemical) activation processes before becoming the active agent for which it is a pro-agent.