SUPPLEMENTAL CALCIUM AND UNICONAZOLE INLFUENCE GROWTH OF `GUTBIER V-14 GLORY' POINSETTIAS.

in HortScience
Authors:
Steven E. Newman'Department of Horticulture, Mississippi Agricultural and Forestry Experiment Station, P.O. Drawer T, Mississippi State, MS 39762-5519.

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Jesse R. QuarrelsDepartment of Horticulture, Mississippi Agricultural and Forestry Experiment Station, P.O. Drawer T, Mississippi State, MS 39762-5519.

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The objective of this study was to determine the influence of uniconazole and calcium applied as a drench or foliar spray to `Gutbier V-14 Glory' poinsettias'. Uniconazole was drenched into half of the plants at 6 mg/pot. Calcium was applied weekly as either a spray, drench, or a combination of both at 350 ppm Ca. Uniconazole reduced plant height, bract dry weight, and plant dry weight. Bract dry weight from plants not treated with uniconazole and received calcium as a spray was less than from those plants that received either no supplemental calcium or calcium as a drench. Calcium improved the appearance of plants treated with uniconazole.

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