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Experiment 67 The induction of ethylene to female flowersPrinciple Ethylene is a gaseous
hormone
, commonly produced in various plants
tissues
, is a normal metabolite in plants, its physiological role is multi-faceted. Ethylene has the effect of
gender
and inducing female flower formation."Ethylene" is a synthetic plant hormone, its chemical name is 2- chloroacetylene acid, into the plant body, is broken down, the release of ethylene, the reaction is as follows:using the appropriate concentration of "ethylene" can promote the number of melon plant female flowers increased, the emergence of female flowers earlier.Instrumental medicineflowerpot dropperlabel label 100ppm and 200ppm "ethylene" solutionoperating stepscultured
cucumis sativus Linn seedlings, when two real leaves appear, choose long Consistent seedlings, each pot left 3 plants, at about 4 pm on a sunny day in each basin for the following treatment: the first plant with 200ppm ethylene solution 3 drops growth point;these treatments, note that the droplets must remain at the growth point so that they are slowly absorbed. Then put up the label as a mark, until the cucumber main cranberry grows to 10 sections, the experiment can be completed. Cucumber production can also be calculated at the time of the result.
