Tomatoes Black on bottom drop off Romma Can you eat fruit after killing blight or whatever this is thanks
Unfortunately, your photos did not come through. this could be a number of issues, ranging from nutrient deficiencies to disease. This article will help:
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blossom-rot.htm
This article will help you to grow tomatoes to their potential:
https://www.gardeningknowhow.com/edible/vegetables/tomato/growing-tomatoes-guide.htm
This link will take you to a free ebook that you can download on the subject of tomatoes:
https://blog.gardeningknowhow.com/ebooks/essential-guide-to-growing-tomatoes/
Do I need to leave on the vine until bright red, then the flesh will become red? No sign of rot.
Most tomatoes are harvested when they are a mature green, then allowed to fully ripen indoors. Roma tomatoes, however, should stay on the vine till they are red from the bottom to the top.
https://www.gardeningknowhow.com/edible/vegetables/tomato/tips-for-growing-roma-tomatoes.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/harvest-time-for-tomatoes.htm