The Effect of Hydrogen Peroxide on the Rooting of Plant Cuttings and Seed Germination

Overview

Objectives/Goals I conducted this experiment to find out the effect of Hydrogen Peroxide (H(2)O(2)) on the rooting of plant cuttings and seed germination. Methods/Materials I used two sets of materials: one for the seeds and one for the cuttings. The materials for the seeds were: Seeds of mung beans, broccoli, bok choy, black eye bean, garbanzo bean; H(2)O(2), petri dishes, filter paper, marker, and masking tape. The materials for the cuttings were: Cuttings of jade plant, ivy, coleus, donkey-tail, etc., flasks, H(2)O(2), plant nutrients, knife (to make cuttings), marker, and masking tape. For the seeds, I used 4 dishes for each concentration (10mL, 30mL and 50mL of H(2)O(2) in 473 mL water). I placed 5 seeds in each dish. I used blackeye beans, garbanzo beans, bok choy, mung beans, and broccoli. For the cuttings, I used 4 flasks for each concentration (30 mL H(2)O(2) in 908 mL water) and used jade-plant, ivy, and donkey-tail cuttings. Results I found that all bean plants watered with a concentration of H(2)O(2) had lighter leaves and longer roots than the controls. Another interesting observation was that all jade-plant concentrations had no roots below the water. In the ivy, the control group was much healthier than the variables. I didn't find conclusive results with the donkey-tail samples. Conclusions/Discussion I found that while H(2)O(2) helps with germination, toxicity in the chemical eventually kills the plant. Chlorophyll production was decreased, deteriorating the health of the plant. For best results, I would suggest using H(2)O(2) for germination and using water afterwards.

Competition history

• CSEF 2004 Plant Biology · Entry J1602

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