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Seed production of Stylosanthes guyanensis. 3. Effects of pre-harvest desiccation.

Loch, D. and Hopkinson, J. and English, B. (1976) Seed production of Stylosanthes guyanensis. 3. Effects of pre-harvest desiccation. Australian Journal of Experimental Agriculture, 16 (79). pp. 231-233.

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Article Link(s): http://dx.doi.org/10.1071/EA9760231

Publisher URL: http://www.publish.csiro.au

Abstract

Strips within commercial crops of Stylosanthes guyanensis in the Mareeba district of north Queensland were sprayed with diquat 4, 6 and 10 days before harvest and compared with unsprayed strips. Pre-harvest desiccation made combine harvesting easier, but did not increase harvest yield. Where seed formation and maturation was still possible, desiccation prevented this without substantially increasing the loss of seed to the ground; increased harvest efficiency was thus offset by a diminished quantity of standing seed. However, where there was little or no further potential for seed development, diquat had virtually no effect on the quantity of standing seed or harvest efficiency. It was concluded that the results warranted neither recommendation nor further evaluation of preharvest desiccation of S. guyanensis seed crops.

Item Type:Article
Business groups:Agri-Science, Crop and Food Science
Additional Information:© CSIRO.
Keywords:Stylosanthes guyanensis; stylo; seed production; pre-harvest dessication; defoliation.
Subjects:Plant culture > Seeds. Seed technology
Plant culture
Deposited On:23 May 2011 01:59
Last Modified:25 Oct 2011 05:28

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