For "gift-grade" fruit, like melons, that is indeed how it's done. They prune all but the best 3 candidates, then after they grow a bit more, select the best an

For "gift-grade" fruit, like melons, that is indeed how it's done. They prune all but the best 3 candidates, then after they grow a bit more, select the best and prune the other 2 away so that the plant is producing only one high-grade fruit.