Methods of altering poppy characteristics
AssigneeGlaxoSmithKline Australia Pty Limited
InventorPaul Cotterill
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Abstract
The present invention relates to the use of sulfonylurea compounds to alter physical and/or growth characteristics of poppy plants.
Claims18
A method for effecting one or more of:
- reduction in the height of a Papaver somniferum plant, reduction in the lodging of a Papaver somniferum plant, reduction in the seed weight of a Papaver somniferum plant and increase in capsule weight of a Papaver somniferum plant, comprising the steps of applying an effective amount of a sulfonylurea compound or agriculturally acceptable salt or ester thereof to said Papaver somniferum plant or locus thereof.
A method of increasing straw weight obtained from a Papaver somniferum plant comprising the step of applying a straw weight increasing effective amount of a sulfonylurea compound or agriculturally acceptable salt or ester thereof to said Papaver somniferum plant or locus thereof.
A method of increasing alkaloid yield and/or recovery from a Papaver somniferum plant comprising the step of applying an alkaloid yield and/or recovery increasing effective amount of a sulfonylurea compound or agriculturally acceptable salt or ester thereof to said Papaver somniferum plant or locus thereof.
A method of obtaining alkaloid from a Papaver somniferum plant comprising the steps of:
- (i) applying an amount of a sulfonylurea compound or agriculturally acceptable salt or ester thereof which is effective in reducing the height, lodging or seed weight or increasing capsule weight, alkaloid yield or alkaloid recovery, to said Papaver somniferum plant or locus thereof;
- (ii) harvesting Papaver somniferum capsules and forming a straw therefrom;
- and
- (iii) extracting the alkaloid from the straw.
A method of obtaining alkaloid from a Papaver somniferum plant comprising the steps of:
- (i) applying an amount of a sulfonylurea compound or agriculturally acceptable salt or ester thereof which is effective in reducing the height, lodging or seed weight or increasing capsule weight, alkaloid yield or alkaloid recovery, to said Papaver somniferum plant or locus thereof;
- (ii) harvesting opium from immature capsules;
- and
- (iii) extracting the alkaloid from the opium.
Dependencies are inferred from the claim text.