. Citrus culture in Porto Rico / by Henry C. Henricksen. Citrus fruits Puerto Rico; Fruit-culture Puerto Rico. CITRUS CULTURE IN PORTO RICO 17 uniformly transmitted through the bud. The fruit from some par- ticular branch may prove to be more desirable than that from the other branches on the same tree, in which case the buds should be taken from the one branch only. Of course the records for one year will not be as reliable as data covering a period of at least five 3Tears. There are many tree records now on the island, and a com- parison of them may yield valuable data leading to the establi
. Citrus culture in Porto Rico / by Henry C. Henricksen. Citrus fruits Puerto Rico; Fruit-culture Puerto Rico. CITRUS CULTURE IN PORTO RICO 17 uniformly transmitted through the bud. The fruit from some par- ticular branch may prove to be more desirable than that from the other branches on the same tree, in which case the buds should be taken from the one branch only. Of course the records for one year will not be as reliable as data covering a period of at least five 3Tears. There are many tree records now on the island, and a com- parison of them may yield valuable data leading to the establish- ment of a foundation for future work. Planters ayIio have not yet adopted the system of indexing their trees individually should do so at once. They will soon learn of the benefits to be derived from such a system and the importance of selecting bud wood from trees whose records have been kept for a number of years. Two numbers should be painted on each tree, one to indicate the row and the other the number of the tree in the row. DETERMINING THE VOLUME WEIGHT OF THE FRUIT In bud selection the grower usually judges the desirability of the fruit without regard to weight, measurements, or other accurate tests, which is unsatis- factory. The acidity may be determined by titration and the total solids by means of a hydrometer, the methods of determining which are well known to most planters. The weight should preferably be ascertained by means of scales that are correct to within the limit of 1 gram. The exact size may be ascertained by means of a container shown in Figure 8. The container is filled with water until a few drops escape from the spout, when the measuring cylinder is set under the spout. The fruit is immersed in the water and is held down by means of the point of a nail. The number of centimeters of water escaping from the container may be learned from the cylinder and indicate the volume corresponding with that of the fruit. The weight in grams, formerly ascertai
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