Black Prince, a variety of Russian Krim tomato that I tried for the first time this year. September 14.
I first heard about grafting tomato plants two years ago, but hot house tomato growers have been doing it for a while, and in other countries grafting has been an important way to increase vegetable production for decades. It was so important in Japan that a robotic grafting machine was developed in 1993. By grafting desirable tomato varieties onto selected rootstocks, generally increased vigor and also specific resistance to root-borne diseases is gained. My tomatoes have failed in two of of the last four years, so I decided to try grafting last year.
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