. Cirtus fruits under irragation. Citrus fruits; Fruit-culture. 10 CITRUS FRUITS UNDER IRRIGATION §23 growth that is so commonly seen on trees pruned with a wide open center and flat top. In Fig. 6 a well-pruned lemon tree of the Eureka variety is shown. The branches are well distributed on the trunk of the tree. Notice how the Hght shines through branches and appears as patches on the ground. 13. The tools, ladders, wound dressings, etc. used in the pruning of orange trees are obviously the kind employed for lemon pruning. The best time for pruning lemons is in the. Fig. 6 late spring and ear
. Cirtus fruits under irragation. Citrus fruits; Fruit-culture. 10 CITRUS FRUITS UNDER IRRIGATION §23 growth that is so commonly seen on trees pruned with a wide open center and flat top. In Fig. 6 a well-pruned lemon tree of the Eureka variety is shown. The branches are well distributed on the trunk of the tree. Notice how the Hght shines through branches and appears as patches on the ground. 13. The tools, ladders, wound dressings, etc. used in the pruning of orange trees are obviously the kind employed for lemon pruning. The best time for pruning lemons is in the. Fig. 6 late spring and early summer when there is the least fruit on the tree. The heaviest pruning should be done when the least sap is flowing or when the tree is most dormant. The method of procedure in pruning lemon trees is for the pruners to go under the tree first, take out the dead wood and thin out the dense branches that cross or interfere with others. Then the top is cut back with long-handled shears; some branches are merely shortened; others are cut back to the point from which they originate. Ladders arc, of course, necessary for the pruning of the top branches of most trees. In addition to this regular pruning, suckers must be removed whenever necessary. §23 CITRUS FRUITS UNDER IRRIGATION 11 Systematic pruning of the lemon not only brings the tree close to the ground, thus materially reducing the cost of pick- ing, but also tends to cause the tree to be more prolific and produce a better quality of fruit. The practices in pruning suggested by a prominent lemon grower, mentioned in a previous paragraph, are most used at present in California. There are several well-defined systems of pruning which have been used in the past. It will be well to consider a few of these systems briefly, because many of them have a certain degree of merit. They also illustrate the many ways that lemon trees can be pruned. 14. What is known as the Baronio system of lemon pruning was introduced into San Diego
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