The tomatoes in my Father in Laws garden are having a hard time this year. They start turning pink and then a brown area-spot appears and spreads out until the tomatoe is rotten. He tries to pick them as soon as they start to turn, but the spot still rots out making the tomatoe useless. Any suggestions.

B

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Blossom end rot due to calcium deficiency.

What does he need to do to correct this.

Dolomitic lime. It will supply calcium, but will also help correct soil pH, too. Acidic soils can bind calcium causing deficiency, even if there is sufficient calcium in the soil.

I had that issues several years ago from transplants that came from Bonnie's Plant Farm. The water that you boil eggs in has a great source of calcium also. Did he plant transplants or did he grow the plants from seeds?

Bought the plants at Co-Op. They were about 8" tall when he planted them.

If you use pelletized chicken shucks it will help tremendously

Is the spot on the bottom of the tomato or on the side?

If it's the bottom of the tomato it's BER as said but your description sounds more to me like Tomato Anthracnose. Looks like a round, flat, water blister and turns black. It's caused by a fungus. Start spraying a fungicide ASAP but it may be too late. Mancozeb is a good one.

I’ve used egg shells at planting, scrap Sheetrock crumbles, my soil allows end rot bad in my tomatoes
if I do not amend with something.. I have some spray I use to spray the yellow buds when the bust out

Fur.

if you will send me your number in a pm and I will send you pics of what they look like. He picked several today that have the spots. I sent you my number also for the pics.

B