Abstract
Agricultural uses of plant growth regulators and plant hormones are probably more numerous and diverse than commonly realized This area of agricultural chemistry has a long history, and it contributed to the development of selective, organic herbicides which are important in agriculture today While a few applications of growth regulators to major field crops have been developed, most of the uses are for specialty, high-value, low-acreage crops Most of the current plant growth regulator uses involve modification of development rather than changes in basic productivity Most are growth inhibitors rather than growth promoters Crop yields are often increased indirectly by preventing losses, hastening the production cycle, or facilitating mechanical harvest operations. In a few crops, growth regulators actually increase plant growth or divert photosynthate to the harvested product so that the actual productivity is increased There are a variety of reasons to anticipate a significant increase in the commercial use of growth regulators and many approaches to discovering and developing these new uses Models for promoting growth regulator technology include analysis of individual crops to select specific goals, analysis of hormonal roles and physiology to identify opportunities, and improvements in the empirical testing approach. Examples for the models are the crop, cotton, and the hormone regulator, ethylene The lag in the development of growth regulators behind that of other types of agricultural chemicals is both natural and fortuitous Until major yield-limiting requirements and pests were under some degree of managerial control, the advantage of being able to manipulate growth and development chemically was marginal In addition, now that agriculturists are trying to minimize the use of pesticides and fossil fuels, growth regulator technology can be developed in harmony with these important goals Growth regulators appear to have a growing role in integrated pest management which would then appear to be part of a larger system of integrated plant growth management
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Claims 7
Claim · model-written summary
Most growth regulator uses concern specialty, high-value, low-acreage crops.
Verbatim
e0“While a few applications of growth regulators to major field crops have been developed, most of the uses are for specialty, high-value, low-acreage crops”
Claim · model-written summary
Current growth regulator uses mostly modify development.
Verbatim
e0“Most of the current plant growth regulator uses involve modification of development rather than changes in basic productivity”
Claim · model-written summary
Most growth regulators in use inhibit rather than promote growth.
- Outcome
- growth inhibitors rather than growth promoterse0
Not reportedTaxon
Verbatim
e0“Most are growth inhibitors rather than growth promoters”
Claim · model-written summary
Growth regulators often raise yields indirectly by averting losses, speeding production, or easing harvest.
Verbatim
e0“Crop yields are often increased indirectly by preventing losses, hastening the production cycle, or facilitating mechanical harvest operations.”
Claim · model-written summary
In a few crops, growth regulators increase growth or redirect photosynthate and raise productivity.
Verbatim
e0“In a few crops, growth regulators actually increase plant growth or divert photosynthate to the harvested product so that the actual productivity is increased”
Claim · model-written summary
The authors anticipate increased commercial growth regulator use.
- Outcome
- commercial use of growth regulatorse0
Not reportedTaxon
Verbatim
e0“There are a variety of reasons to anticipate a significant increase in the commercial use of growth regulators”
Claim · model-written summary
Growth regulator technology could contribute to integrated pest and plant-growth management.
Verbatim
e0“Growth regulators appear to have a growing role in integrated pest management which would then appear to be part of a larger system of integrated plant growth management”