comercial uses of plants

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  • comercial uses of plant hormones
    • auxins
      • used as herbicides-shoot growth continues until plant falls and dies
      • root powder containing auxins encourages root growth
    • giberellins
      • delays senescence in citrus fruit so that they can be displayed for longer in shops
      • elongates stalks of grapes so that bigger, less compacted grapes produced
      • increases rate of production of malt for brewing
      • elongates stalk of sugar cane to increase yeild of sugar
    • cytokinins
      • prevent yellowing of lettuce leaves
      • used in tissue culture to mass produce plants by encouraging growth of many latteral buds that can be used as cuttings
    • ethene
      • speeds up fruit ripening
      • promoting fruit drop in cherry cotton and walnut


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