Plant growth regulator definition

Plant growth regulator means any substance or mixture of substances intended, through physiological action, for accelerating or retarding the rate of growth or rate of maturation, or for otherwise altering the behavior of ornamental or crop plants or the produce thereof, but shall not include substances to the extent that they are intended as plant nutrients, trace elements, nutritional chemicals, plant inoculants, and soil amendments.
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Plant growth regulator means a substance used for controlling or modifying plant growth processes without appreciable phytotoxic effect at the dosage applied.
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Plant growth regulator means a natural or synthetic chemical compound used to stimulate both cell division and elongation that affects leaves and stems, or used to promote fruit ripening, abscission, flower induction, and other responses;
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Examples of Plant growth regulator in a sentence

  • DocketNumber: EPA–HQ–OPP–2012–0134.Applicant: Becker Underwood, Inc., 801Active ingredient: Plant growth regulator with Organic Acids derived from Leonardite at 12.0%.

  • Active ingredient: Plant growth regulator with Organic Acids derived from Leonardite at 18.5%.Proposed classification/use: For formulation purposes.

  • Plant growth regulator and day length effects on pre-anthesis main shoot and tiller growth in conventional and dwarf oat.

  • A detailed table of the use of 4-CPA is in Appendix A.For 4-CPA: Type of Pesticide: Plant growth regulator Use Group and Site: Indoor Food Crop: Mung beans Formulation Types Registered: soluble concentrate/liquid and crystals Method and Rates of Application: Equipment - Direct pour or closed delivery systems.Method and Rate - 0.026 pounds of crystalline 4-CPA are dissolved in 1liter of boiling water and added to 1150 gallons of water in which 3500 pounds of mung bean seeds are soaked.

  • Plant growth regulator (PGR) can reduce stem length and improve the standing ability of the barley (Kust, 1985; Sanvicente et al., 1999) and wheat (Jung, 1964; Tripathi et al., 2003).

  • Plant growth regulator used for the purposes including accelerating the growth of fruit trees, accelerating flowering and fruit enlargement.

  • Plant growth regulator effects on spring cereal root and shoot growth.

  • Plant growth regulator used for the purpose of accelerating the ripening period, fruit thinning and mitigating peel puffing of citrus fruits.

  • Plant growth regulator supplied in this experiment was NAA (0 -1- 1.5 mg/L) and 2, 4- D (0 -1- 1.5 mg/L).

  • For 1,2-dihydro-3,6-pyridinedione, potassium salt (maleic hydrazide, potassium salt) : Type of Pesticide: Plant growth regulator, Herbicide Mechanism of Action: A growth retardant which inhibits miotic division in plants.


More Definitions of Plant growth regulator

Plant growth regulator and “legume inoculant” means any biological remedy, or any mixture or combination of any substance or remedy intended or offered to be used as plant growth regulator, defoliant, desiccant or legume inoculant, and anything else which the Minister has by notice in the Gazette declared an agricultural remedy for the purposes of this Act (Act 36 of 1947) (as defined in Act 36 of 1947).
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Related to Plant growth regulator

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  • COVID-19 Measures means any quarantine, “shelter in place”, “stay at home”, workforce reduction, social distancing, shut down, closure or sequester order, guideline, recommendation or Law, or any other applicable Laws, guidelines or recommendations by any Governmental Entity in connection with or in response to COVID-19.

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  • health and safety specification means a site, activity or project specific document prepared by the client pertaining to all health and safety requirements related to construction work;