A composition and a method for regulating the plant-metabolism, especially for promoting the abcission of citrus fruit and olives are disclosed, which use as active component a sulphonyl ester of the formula ##STR1## wherein R.sub.1 is an alkyl, alkenyl, phenyl naphthyl, diphenyl or thienyl radical, X is oxygen or sulphur and Hal is a halogen atom.

This invention relates to a composition comprising a mixture of a N-heterocyclic amide, such as N-methylpyrrolidone, and a 2-haloethylsulfinate having from 3 to 22 carbon atoms for the treatment of plants, including trees, shrubs, farm crops and ornamentals to achieve promotional and sustained hormonal ethylene plant growth regulatory effects; and the method of using and preparing said composition.

Procedure for regulating the stator flux and torque of an asynchronous motor by vector control in an imaginary space vector coordinate system, in which procedure the absolute value (.vertline..PSI..sub.s .vertline.) of the stator flux and the torque (M) are determined in said coordinate system, and in which procedure the calculation coordinates are in such a position that the rotor flux (.PSI..sub.r) is at least close to the real axis. In the procedure of the invention, the absolute value of the...

A transgenic mouse offspring produced by the mating of a first transgenic mouse carrying a transresponder transgene whose expression is regulated by a viral gene product of HSV-1 and a second transgenic mouse carrying a transactivator transgene. A process for expressing a gene of interest which comprises the mating of a first transgenic mouse carrying a transresponder transgene whose expression is regulated by a viral gene product of HSV-1 and a second transgenic mouse carrying a transactivator ...

A composition comprising a mixture of a N-heterocyclic monoamide such as e.g. N-methyl pyrrolidone or a polymer thereof, and a 2-halo-ethylphosphonic acid useful for the treatment of plants including trees, shrubs, field crops, grasses and ornamentals to achieve enhanced plant growth regulatory effects. Of particular interest are the treatments of apple trees to promote fruit redening; treatment of cherry, hazel and walnut trees to advance fruit loosening; treatment of cucumbers to induce stunti...

A low voltage regulation circuit especially suitable for supplying current to high frequency loads is provided. The circuit comprises two P channel MOSFETs having the same threshold voltage and two N channel MOSFETs having repsectively different threshold voltages. The difference between the threshold voltages of the two N channel MOSFETs is provided as a constant output from the circuit, and load current is supplied from the output terminal. Circuit construction is simplified such that a low vo...

The frequency of operation of a tuned flyback type transformer is controlled by a voltage controlled oscillator whose output frequency varies with EHT in such a way that EHT tends to stay constant despite beam current or input voltage variations.

A growth regulation process involving certain phosphonic acid compounds having the general formula: ##STR1## The growth regulation process of the present invention relates mainly, though not entirely, to the inducement of an ethylene response or ethylene-type response in plants and part thereof including, but not limited to, stems, roots, leaves, flowers, buds, and harvested as well as unharvested fruit. The method of the present invention produces a wide variety of plant growth responses includ...

Microbiological methods, compositions and transformants are used for production of organic products for controlling cellular properties. Extrachromosomal elements are used which are subject to external modulation for production of a control element. The change in the amount of production of the control element allows for enhanced expression of a gene producing a poly(amino acid) product. The change in production of the control element allowing for enhanced gene expression of the product is accom...

The use of N-(haloacetyl)-N-(N'-methylenepyrrolidonyl)-2-alkoxyaniline compounds for regulating the natural growth or development of plants, particularly turfgrasses, is described herein.