. Cirtus fruits under irragation. Citrus fruits; Fruit-culture. 14 CITRUS FRUITS UNDER IRRIGATION §23 3. Study the natural fruiting habit as well as the individual- ity of the tree, and prune to remedy its defects. 4. All pruning should be done with a definite purpose in mind, the aim being to put the tree in condition to produce and carry the largest possible amount of high-grade fruit. 5. An annual light pruning is more beneficial to the tree than periodical heavy prunings. 6. Avoid making large openings in the foliage of the trees that permit the sun to shine directly on the interior branch
. Cirtus fruits under irragation. Citrus fruits; Fruit-culture. 14 CITRUS FRUITS UNDER IRRIGATION §23 3. Study the natural fruiting habit as well as the individual- ity of the tree, and prune to remedy its defects. 4. All pruning should be done with a definite purpose in mind, the aim being to put the tree in condition to produce and carry the largest possible amount of high-grade fruit. 5. An annual light pruning is more beneficial to the tree than periodical heavy prunings. 6. Avoid making large openings in the foliage of the trees that permit the sun to shine directly on the interior branches. Limbs thus exposed to the hot rays of the sun are very liable to injury from the sun. 7. Limbs that cross and chafe other limbs should be removed when they are small. 8. Dead branches should be removed and burned, because they interfere with the picking of the fruit and harbor insects and fungi. 9. All cuts should be close and clean and the surface of the wound should be parallel to the direction of the branch on which it is located. Stubs should not be left on the tree. 10. All wounds over 1 inch in diameter should be covered over with some kind of a wound dressing. 11. By cutting back to an inner bud, upright growth is secured; by cutting back to an outer bud, spreading growth is secured. 12. The growth of fruiting wood should be encouraged. GRAPEFRUIT, LIMES, AND CITRONS 21. Grapefruit.—The grapefruit, or pomelo, is not grown to nearly as large an extent in the West as are oranges or lemons. Nevertheless, many trees are seen mixed in with orange and lemon plantings, and a few fair-sized groves are found in Southern California. Most of the fruit is consumed locally or in the Western States. The principal variety grown in the West is the Marsh Seed- less. The Triumph, a seeded variety, is grown to a limited extent, and a few other varieties are also grown, but usually for home use. §23 CITRUS FRUITS UNDER IRRIGATION 15 22. The tree of the Marsh Seedless variety is a go
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