Pollination checklist tomato
80%. A relative humidity of more than 80%-85% will result in pollen not being released and the bumblebees will become inactive. Below 50% RH, the germination [...] problems with fruit setting. The bumblebees will still collect pollen, and leave bite marks, but no fruit will grow. Bumblebees are active at temperatures [...] have been pollinated before it closes. Depending on the conditions, a flower will remain open for one to three days. To check on pollination , collect about