Q.What Might Cause Some Of The Green Tomatoes On Cherry Tomato Plants In A Container To Drop Off
Zone 6

Certified GKH Gardening Expert
There are several reasons why green tomatoes can drop off, including temperature extremes, nutrient deficiency, poor watering, pests, and disease. The tomato plant is stressed, and it goes into self-preservation mode. If the vine is getting too heavy with fruit, it may eject some. So be sure to pick the ripe ones right away.
These articles should help:
https://www.gardeningknowhow.com/edible/vegetables/tomato/growing-cherry-tomatoes.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/growing-temp-for-tomatoes.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/best-way-stake-tomatoes.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-diseases.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/watering-tomato-plants.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-fertilizer.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-plant-insect-pests.htm