English language built to confuse
Published Tuesday, June 5, 2007
Alan Linda
The English language is loaded with opportunities to confuse and bewilder its reader. Last week, I apparently added to this confusion by writing in the negative about how to best kill an apple tree. Let's clear that up.
Should you want an apple tree to survive, you must: Select an apple tree correct for this growing zone; support it with posts and ties to keep the wind from shaking the soil loose around the roots; protect it from mice and rabbits by using metal screen around the lower trunk; water it religiously; and do not let mowers and weed trimmers get close to it. Failure to do these things is the primary reason apple trees fail to make it.
You can also do all those things, and because you planted it in the shade of some other tree, or in the wrong soil, or it broke due to poor or nonexistent pruning, or you failed to control apple pests, or you let it overbear or bear too soon, you will still be unhappy with what you have. Apple trees are, it is sad to say, nearly as difficult to raise properly as children.
But, you say, you grew up with apple trees and no one did those things, to which I reply: Are those trees still alive? Wild apples are one thing. Sweet, edible apples are another. They are good because they are grafted onto special root stock, and that grafting makes them much more to our liking for taste, but much less hardy.
Back in the old days, apple trees were planted from seed, and those folks valued apples for cooking, or cider, or for other purposes for which being pretty sour really didn't matter. It turns out that apple trees possess somewhat the genetic variation that humans have. All humans have the same two arms, legs, eyes, ears, etc., but are different. The same thing goes for apple trees. You could plant ten thousand apple seeds and get ten thousand apple trees-each of which will bear an apple that is somewhat different from other apples. It is a very rare occurrence for one of those ten thousand trees to produce an apple that everyone agrees is tasty.
But once in a great while a perfect apple happens, due to cross pollination (cross breeding, in other words) with another tree. The University of Minnesota, among others, spends years trying to grow the perfect apple by cross breeding one tree's flowers with another tree's pollen, and then growing that apple and planting the seed. It's a process that requires enormous patience. It is also a process that produces countless dead ends before a Honeycrisp or a Fireside or a Honeygold pops up. These are all apples that will not only survive but will produce well here in Zone 4, where winter nights are prone to freeze less hardy roots to death.
Once that perfect tree is grown, then small pieces of limbs — called scions — are cut from it, and they are then grafted onto a variety of root stock that is known to be winter hardy. One of the more popular rootstocks comes from Russia, so that gives you some idea of its winter hardiness and sheer vigor. These rootstocks have a great deal in common with crabapples, and in fact the crabapple root itself makes a fair grafting stock. This is why, when the rabbits chew off your tree's bark down around the ground, the root will still poke out new growth, which, if let grow, will turn out to be one of those ten thousand or so apple trees.
Feel lucky? Perhaps you could be the proud owner of a wild apple (wild in the genetic sense) that turns out to be the next great apple. More likely, it'll be mainly good for bird food. Even less likely but more likely than the next great apple, it will-with large amounts of sugar-be worthy of being baked into a pie.
By sheer serendipity, I have a Red Splendor crabapple tree-same rules about the ten thousand thing-that produces a medium-sized apple that is somewhat edible. I'm in the process of attempting to graft this onto another crab rootstock. It is not, however, an apple that many people would pay a nursery thirty bucks for.
By the way, when you buy that nicely branched out apple tree at the nursery and plant it and a couple of years go by and the thing is shooting branches out every which way, and you wonder why?
It's most likely because those limbs that were so nicely laddered on it to begin with were bud grafted onto it.
Good luck.
Alan Linda writes from his home in New York Mills.
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