Pinching out Edit History Talk0 712pages on this wiki Redirected from Stopping Pinching out refers to the removal of the growing tips of young plants such as fuchsias. It stimulates the growth of more sideshoots, which in turn encourages the plants to produce more flowers and/or fruit.[1] SynonymsEdit Stopping ReferencesEdit ↑ Pinching Out. BBC. Retrieved: 2010-09-11. Read more F1 hybrid is a term used in genetics and selective breeding. F1 stands for Filial 1, the first... F1 hybrid Alkaline soil is soil that has a pH level of about 7.0 or more. Sometimes referred to as "sweet... Alkaline soil Tuber Categories: Glossary Add category Cancel Save