Experiment 68 The effect of ethylene on the ripeing of fruit

Experiment 68 The hypnotic effect of ethylene on fruitsPrinciple Ethylene is a product of normal plant metabolism, an endogenetic
hormone
in plants, with a variety of physiological effects, it can also promote fruit ripening.ethylene (2-chloroacetylene) is a synthetic plant hormone. It slowly liberates ethylene under the pH condition of plant cell fluid and has the same physiological effect as ethylene.Instrument drugslayering cylinder
capacity bottlevolume cylinder
pipe pipe beaver
plastic bag ethylene solution operation step 1. Picked the ripeness of the same, peel from green to white tomatoes 30, 10 groups divided into three groups. The first and second groups were immersed in different concentrations (500, 200 ppm) ethylene solution for 1 minute, the solution was added 0.1% Twain-80 as a humidifier, and the third group was immersed in distilled water for 1 minute.2． Place the treated tomatoes in 3 laminates, cover them, or place them in a plastic bag, tie the mouth of the bag and place them in a dark place of 2530 degrees C. Observe the tomato color change and maturation process day by day and note the number of ripes until all the tomatoes are ripe.