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research article

Maleic hydrazidesprays: Retard topping regrowth in lemon tests

authors

H. Z. Hield, University of California, Riverside.
R. M. Burns, University of California, Riverside.
C. W. Coggins, University of California, Riverside.
B. W. Lee, Ventura County
S. B. Boswell, Department of Horticultural Science, Limoneira Company, Santa Paula.

publication information

California Agriculture 18(5):4-5. DOI: 10.3733/ca.v018n05p4. May 1964.

author affiliations

H. Z. Hield is Specialist, University of California, Riverside. R. M. Burns is Extension Horticulture Technologist, University of California, Riverside. C. W. Coggins, Jr. is Assistant Plant Physiologist, University of California, Riverside. B. W. Lee is Farm Advisor, Ventura County; S. B. Boswell is Associate Specialist in the Department of Horticultural Science, Limoneira Company, Santa Paula.

abstract

Spraying young regrowth shoots of mechanically top-pruned lemon trees with Maleic hydrazide (MH) resulted in a significant inhibition of growth for almost a year after treatment in tests reported in this article. Top growth was retarded Nithout appreciably affecting fruit quality 3r yield through use of a concentration of about 400 ppm of MH.

author notes

Farm Advisors J. Pehrson, Orange County; M. Miller, Riverside County; D. Rosedale, Sun Diego County; Extension Pomologist J. Beutel (formerly Farm Advisor in Los Angeles County); and Ventura Coastal Lemon Company Field Superintendent Stanley Wear, assisted with these studies. MH for these tests was furnished through the courtesy of Jack Corkins, Naugatuck Chemical Company.


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