. The pruning-book; a monograph of the pruning and training of plants as applied to American conditions. 119. The winter-shearedbush. 196 SOME SPECIFIC ADVICE shows the appearance in fall, after the seasonsgrowth has taken place. These pictures are madefrom selected and typical trees, as grown by a manin the famous plum-growing region at Geneva,New York, where heading-in is much one-third to two-thirds of the annualgrowth is sheared oif every w^inter. In distinction from these plum trees, let thereader consider Fig. 122. This picture is made. Headed-in plum trees. May. from a ty
. The pruning-book; a monograph of the pruning and training of plants as applied to American conditions. 119. The winter-shearedbush. 196 SOME SPECIFIC ADVICE shows the appearance in fall, after the seasonsgrowth has taken place. These pictures are madefrom selected and typical trees, as grown by a manin the famous plum-growing region at Geneva,New York, where heading-in is much one-third to two-thirds of the annualgrowth is sheared oif every w^inter. In distinction from these plum trees, let thereader consider Fig. 122. This picture is made. Headed-in plum trees. May. from a typical plum tree as grown by a New^ Yorkman who does not head-in his trees. Both thesemen are successful plum-growers. The trees bearas well in the one case as in the other. Shall Ihead-in my plum trees? That depends uponwhether you want trees like Fig. 120 or Fig. 122,—that is, upon whether you want to head themin or whether you do not! The relative merits of high heads or low headsfor fruit trees are alw^ays in dispute. This con- HIGH AND LOW HEADS 197 troversy is partly the result of confusion of ideas,and partly of diifering mental ideals and of va-rying cliiuates. Two factors are chiefly con-cerned in these disputes,—the question of ease ofcultivation, and the question of injury to thetrunk by sun-scald. It is the commonest notionthat short trunks necessaril} make low heads, andyet anyone who can see a tree should know bet-ter. The number of trunks which a tree has, doesnot determine the direction of the leaf-bearinglimbs. The tree in ^ ^ ^,
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