Pollination checklist tomato
The flower needs to have been pollinated before it closes. Depending on the conditions, a flower will remain open for one to three days. To check on pollination [...] bumblebee's jaw on the flower (bite marks) turn brown within one to four hours and make it possible to check the bumblebees' work. A single visit results in the [...] active cooling. Position the hive so that it is easily visible both to the bumblebees and to people Ensure the hive is horizontal Protect the hive against
