My grafted Carrie mango shot off a branch below the graft line. I e-mailed the nursery that I bought it from and they said the rootstock was Turpentine mango.

Will Turpentine produce a tasty mango? Grafting a third mango onto the branch is not an option since I don't have access to any scions. Should I cut off the branch so as not to divert energy from the Carrie?

That shoot is called a sucker for that same reason it sucks the energy out o the grafted variety. I would cut off so all the energy is converged back into the Carrie. I always love to see suckers on any of my tropicals. It gives me a chance to add new varieties. They are always so vigorous on there growth that the new variety heals fast and grows extremely fast.

Turpentine is well-named -- if you like the strong turpentiney aftertaste in some mangoes, this one has it! If you don't like it, it is nasty. Besides the less-than-ideal flavor, the fact that this is a sprout from a rootstock seedling means it is also juvenile, and that branch would not flower or fruit until about 8-10 feet tall, likely when 5-7 years old, assuming it's grown outdoors in a tropical climate. On a potted plant, it may never reach the size needed to flower.

So I agree with what's already been said -- if you can't graft another variety to it, just remove it and let the Carrie grow more.

One other bit of mango lore to be aware of -- your nursery may be totally knowledgeable and honest, and so your rootstock may actually be 'Turpentine'. However, I've discovered over the last 40+ years that there are certain fruit varieties that people will claim, just to make the customer happy. And in the case of mangos, any rootstock will be referred to as 'Turpentine' if the grower doesn't actually know the variety, since that's the famous one that anyone knowledgeable enough to ask in the first place is likely to be looking for. In the same way, go to almost any roadside fruit stand in south Florida and ask varieties -- all the mangos for sale will be "Haden," and all of the avocados will be "Lulu" [sic]. In fact, only a tiny percentage will be actual 'Haden' or 'Lula' (there is no Lulu), but I've made a hobby/game out of it -- always ask, and just expect those names! Now if you get a real, old-timey fruit stand operator, when asked about the avocado, he will say "Them is Lulus!" -- the standard grammar for the description, and "Lulus" will be stretched out in a delightfully southern way to Looooooo-looooooos.

I let one of the suckers grow a little bit and then chopped it off and rooted it. I put it in a homemade self watering container made out of plastic water bottles and capped it with another water bottle to make a mini greenhouse. Unfortunately, I don't have a picture of it. Hopefully, I'll have some success with it like I did with my Manila mango that I rooted described in the other forum topic.

Update: The rooting died a while back. I think I left it in a spot that got way too much sun.