Gibberellin is helpful in

Gibberellins were first discovered in which fungal genus?

In order to increase the yield of sugarcane crop,which of the following plant growth regulators should be sprayed?

Specific property attributed to $GA$ is

Name the plant growth regulator which,upon spraying on sugarcane crop,increases the length of stem,thus increasing the yield of sugarcane crop.

Genetically dwarf plants can be induced to grow tall by using