One Thousand Questions in California Agriculture Answered Part 7

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Yes, probably. Certainly you should try it. You should also cultivate less and slow down the growth. If they then take to bearing, you can resume moderate pruning and better cultivation. This is on the a.s.sumption that your trees are in too rich or too moist a place. But you should satisfy yourself by inquiry and observation as to whether the same varieties do bear well in your vicinity when conditions are such that slower growth is made. If the variety is naturally shy in bearing, or if it requires cross-pollination, the proposed repressive treatment might not avail anything. In that case you can graft over the tree to some variety which does bear well or graft part of the trees to another variety for cross-pollination.

No Apples on Quince.

How large a tree will the Yellow Bellefleur apple make if grafted or budded on quince root at the age of 15 years? I have been trying to get some information about dwarf fruit trees, but it is difficult to get.

No wonder the information is hard to get. The Yellow Bellefleur will not grow upon the quince at all, or at least not for long. In growing dwarf apples the Paradise stock is used, while the quince is used for dwarfing the pear, and many varieties of pears will accept the quince root which the apple rejects.

Stock for Apples.



Do you recommend French seedling stock as greatly to be preferred to that grown in this country?

French seedling stock is generally used because it is graded and furnished in uniform sizes; also, because it can usually be purchased for less than seedlings can be grown under our labor conditions. Locally grown apple seedlings are apt to be irregular in size and, as already stated, cost more than the properly graded imported stock.

Apples and Alfalfa.

I have recently come across a proposition to sow apple orchards in the interior of southern California with alfalfa. The apples are said to be superior and the crop heavier, to say nothing of a half or two-thirds of an alfalfa crop in addition to the crop of apples. What do you know about it? Is alfalfa being used by others in this way?

It is perfectly rational to grow alfalfa in fruit orchards if the water supply is ample for both the trees and the intercrop and the owner will not yield to the temptation to waterlog his trees for the sake of getting more alfalfa. It is even more desirable in the interior than near the coast, probably. In Arizona some growers have for a number of years practiced growing alfalfa in orchards, cutting the alfalfa without removing it, counting that clippings are worth more to them through their decay and the increase of the humus content of the soil. Even where this is not done, the alfalfa will add to the humus of the soil by its own wastes both from root and stem. The presence of an alfalfa cover reduces the danger of leaf and bark burning either by reflected or radiated heat from a smooth ground surface, and some trees are very much benefited by this protection in regions of high temperature. This might be expected to be the case with the apple, which is somewhat subject to leaf burning in our interior valleys.

Top Grafting.

In grafting over apple and pear trees to some other variety, is it advisable to cut off and graft the entire tree the first year where the trees are from 7 to 15 years old, or would it be better to cut off only a part of the top the first year and the rest the following year?

In the coast region it is a good practice to graft over the whole tree at one time, cutting, however, above the forks and not into the main stem below the forking. This gives many scions which seem able to take care of the sap successfully. In the interior valleys, it is rather better practice to leave a branch or two, cutting them out at the following winter's pruning, for probably the first year's grafts will give you branches enough. This has the effect of preventing the drowning out of the scions from too strong sap-flow. Cutting back and regrafting of old trees should be done rather early, before the most active sap-flow begins. The later in the season the grafting is done, and the warmer the locality, the more desirable it seems to be to leave a branch or two when grafting.

Apple Budding.

What is the best time to bud apples?

Apples are budded in July and August and remain dormant until the following spring.

Mildew on Apple Seedlings.

Why do young apple plants in the seed bed became mildewed? They are in a lath house.

Because too much moisture was a.s.sociated with too much shade. More suns.h.i.+ne would have prevented mildew, and if they had enjoyed it the seedlings could have made better use of the water probably.

Pruning Apples.

Young apple trees set two years ago were cut back to 14 to 18 inches and cared for as to low branching, proper s.p.a.cing, etc., but the desired branches were allowed to make full growth to the present time. They have mode great growth and if allowed to continue will make too tall trees.

We understand that your trees have made two summers' growth since pruning. We should cut back to a good lateral wherever you can find one running at the right direction at about three to four feet from the last cut, and shorten the lateral more or less according to the best judgment we could form on sight of the tree. In this way you can take out the branches which are running too high and make the framework for a lower growth. Do not remove the small twigs and spurs unless you have too many such shoots.

Cutting Back Apples and Pears.

"California Fruits" says the "apple does not relish cutting back, nor is it desirable to shorten in the branches." But when a three-year-old tree gets above 12 feet high, as many of mine are doing, what are you going to do? I cut these back same last year, but up they go again with more branches than ever. The pears are getting too tall, also. Should not both apple and pear trees be kept down to about ten feet?

The quotation you make refers to old bearing trees, and indicates that their pruning is not like that of the peach, which is continually shortened in to keep plenty of new wood low down. Of course, in securing low and satisfactory branching on young apples, pears, etc., there must be cutting back, and this must be continued while you are forming the tree. If you mean that these trees are to be permanently kept at ten feet high, you should have planted trees worked on dwarfing stocks. Such a height does not allow a standard tree freedom enough for thrift; as they become older they will require from twice to thrice the alt.i.tude you a.s.sign to them, probably. Pears can be more successfully kept down than apples, but not to ten feet except as dwarfs.

Pruning Old Apple Trees.

How would you prune apple trees eight or nine years old that have not been cut back? There are a great many that have run up 20 feet high with twelve or fifteen main limbs and very few being more than two or three inches in diameter.

Remove cross branches which are interfering with others and thin out branches which seem to be crowding each other at their attachments to the trunk, by removing some of them at the starting point. Having removed these carefully so as not to knock off spurs from other branches, study the tree as it is thus somewhat opened up and see where remaining branches can be shortened to overcome the tendency to run too high. Do not shear off branches leaving a lot of stubs in the upper part of the tree, but always cut back a main branch to a lateral and shorten the lateral higher up if desirable. This will keep away from having a lot of brush in the top of the tree. Study each tree by itself for symmetry and balance of branches and proceed by judgment rather than by rules anyone can give you.

Top-Grafting Apples.

Can I graft over a few Ben Davis apple trees 25 years old or thereabouts, but thrifty and vigorous?

One Thousand Questions in California Agriculture Answered Part 7

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One Thousand Questions in California Agriculture Answered Part 7 summary

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