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  2. Plant hormone - Wikipedia

    en.wikipedia.org/wiki/Plant_hormone

    Plant hormones control all aspects of plant growth and development, including embryogenesis, [1] the regulation of organ size, pathogen defense, [2] [3] stress tolerance [4] [5] and reproductive development. [6] Unlike in animals (in which hormone production is restricted to specialized glands) each plant cell is capable of producing hormones.

  3. Plant nutrition - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrition

    Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .

  4. Ethylene (plant hormone) - Wikipedia

    en.wikipedia.org/wiki/Ethylene_(plant_hormone)

    The plant hormone ethylene is a combatant for salinity in most plants. Ethylene is known for regulating plant growth and development and adapted to stress conditions through a complex signal transduction pathway. Central membrane proteins in plants, such as ETO2, ERS1 and EIN2, are used for ethylene signaling in many plant growth processes.

  5. Root nodule - Wikipedia

    en.wikipedia.org/wiki/Root_nodule

    The plant cells are larger than in the previous zone and cell division is halted. Interzone II–III—Here the bacteria have entered the plant cells, which contain amyloplasts. They elongate and begin terminally differentiating into symbiotic, nitrogen-fixing bacteroids. Zone III—the nitrogen fixation zone.

  6. Plant secondary metabolism - Wikipedia

    en.wikipedia.org/wiki/Plant_secondary_metabolism

    Plant hormones, which are secondary metabolites, are often used to regulate the metabolic activity within cells and oversee the overall development of the plant. As mentioned above in the History tab, secondary plant metabolites help the plant maintain an intricate balance with the environment, often adapting to match the environmental needs.

  7. Hoagland solution - Wikipedia

    en.wikipedia.org/wiki/Hoagland_solution

    The main difference between solution (1) and solution (2) is the different use of nitrate-nitrogen and ammonium-nitrogen based stock solutions to prepare the respective Hoagland solution of interest. Accordingly, the original 1933 and the modified concentrations of 1938 and 1950 for each essential element and sodium are shown below, the ...

  8. We all need HGH, the hormone responsible for growth. What ...

    www.aol.com/hgh-hormone-responsible-growth...

    Human growth hormone (HGH) is a hormone that’s essential to our development. Most people produce enough HGH throughout their lifetime. Most people produce enough HGH throughout their lifetime.

  9. MCPA - Wikipedia

    en.wikipedia.org/wiki/MCPA

    MCPA acts by mimicking the action of the plant growth hormone auxin, which results in uncontrolled growth and eventually death in susceptible plants, mainly dicotyledons. [3] It is absorbed through the leaves and is translocated to the meristems of the plant. Uncontrolled, unsustainable growth ensues, causing stem curl-over, leaf withering, and ...

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