University of California

The propagation of citrus by cuttings


F. F. Halma

Author Affiliations

F. F. Halma was Assistant Horticulturist in the Citrus Experiment Station.

Publication Information

Hilgardia 6(5):131-157. DOI:10.3733/hilg.v06n05p131. October 1931.

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The commercial method of propagating citrus in the United States consists of budding the desired variety onto a seedling rootstock. The principal commercial scion varieties in California are Eureka and Lisbon lemon (Citrus limonia Osbeck),3 Valencia and Washington Navel orange (Citrus sinensis Osbeck), and Marsh grapefruit (Citrus grandis Osbeck). The standard rootstocks are seedlings of sweet orange (Citrus sinensis Osbeck), sour orange (Citrus aurantium Linn.), grapefruit (Citrus grandis Osbeck) and to a limited extent rough lemon (Citrus limonia Osbeck). Since a budded citrus tree is a combination of either two species or two varieties of the same species, a study of the effect of the rootstock variety, or the effect of the presence of a bud union, must necessarily include a comparison of budded trees with unbudded trees, that is, with trees propagated by cuttings.

The writer’s investigation of cutting propagation has been undertaken primarily because of its bearing on the problem relating to stocks for citrus budding. However, this method may be useful also in commercial propagation of citrus, or in the production of plants for experimental physiological and pathological study.

Literature Cited

[1] Coit J. Eliot. Citrus fruits. 1917. New York: Macmillan Co. 520p.

[2] Frost H. B. Polyembryony, heterozygosis, and chimeras in Citrus. Hilgardia. 1926. 1: p. 365-402.

[3] Haas A. R. C., Halma F. F. Physical and chemical characteristics of expressed citrus leaf sap and their significance. Bot. Gaz. 1928. 85:457-461. DOI: 10.1086/333857 [CrossRef]

[4] Halma F. F., Haas A. R. C. Effect of sunlight on sap concentration. Bot. Gaz. 1928. 86:102-106. DOI: 10.1086/333876 [CrossRef]

[5] Halma F. F. Propagating citrus by cuttings. California Citrograph. 1926. 11(No. 6):225

[6] Halma F. F. Promising method for propagating the rootstock of old citrus trees. California Citrograph. 1927. 12(No. 5):152

[7] Halma F. F. Factors governing the initiation of sprout growth in Citrus shoots. Hilgardia. 1926. 1: p. 295-340.

[8] Halma F. F. Quantitative differences in palisade tissue in Citrus leaves. Bot. Gaz. 1929. 87: p. 319-324. DOI: 10.1086/333936 [CrossRef]

[9] Halma F. F. Importance of lemon scion variety. California Citrograph. 1929. 14(No. 10):404 433

[10] Hume H. Harold. The cultivation of citrus fruits. 1926. New York: Macmillan Co. 561p.

[11] Swingle W. T., Bailey L. H. Standard cyclopedia of horticulture. 1914. New York: Macmillan Co. p. 780-785.

[12] Swingle Walter T., Ralph Robinson T., May Eugene. The nurse-grafted Y-cutting method of plant propagation. Jour. Heredity. 1929. 20:79-94.

Halma F. 1931. The propagation of citrus by cuttings. Hilgardia 6(5):131-157. DOI:10.3733/hilg.v06n05p131
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