Provided herein are methods, compositions, and devices relating to administration of UV-B to a seed.

Provided herein are methods, compositions, and devices relating to administration of UV-B to a seed.

The invention relates to a method for accelerating the time to flowering of a plant and/or for increasing the amount of flowers and/or fruits produced by said plant of the family rubiaceae, the method comprising providing a plant seed or plant part which is capable of regeneration, cultivating the same to a stage in which a cultivated shoot is obtained that comprises a fork from which an orthotropic shoot and at least two plagiotropic branches have developed, pruning the cultivated shoot at said fork by removing at least the orthotropic shoot and maintaining at least one plagiotropic branch to obtain a pruned shoot, cultivating the pruned shoot until flowers form on the at least one plagiotropic branch to obtain a flowered shoot.

The invention relates to a method for accelerating the time to flowering of a plant and/or for increasing the amount of flowers and/or fruits produced by said plant of the family rubiaceae, the method comprising providing a plant seed or plant part which is capable of regeneration, cultivating the same to a stage in which a cultivated shoot is obtained that comprises a fork from which an orthotropic shoot and at least two plagiotropic branches have developed, pruning the cultivated shoot at said fork by removing at least the orthotropic shoot and maintaining at least one plagiotropic branch to obtain a pruned shoot, cultivating the pruned shoot until flowers form on the at least one plagiotropic branch to obtain a flowered shoot.