Organs Plants Need Hormones To Growth example essay topic

347 words
I. Title: PLANT HORMONE #5 II. Introduction As humans need hormones to develop or function some organs plants need hormones to growth and develop. There are more than 40 hormones which are also called GIBBERELLINGS.. Materials Needed 1) Dwarf pea seedlings 2) Normal pea seeding 3) H 2 O 4) seeds: corn, sun flower, pea, 5) IAA 6) 0.1 mg / L, 10 mg / L, 100 mg / L IV.

Summarize The experiment will show us and also help us to understand the effect of hormones in plants. V. Observations. A. The function growth rate of plants 1) Measure the plants of the dwarf and normal box (see diagram 1) then add to both boxes of plants water, 0.1 mg / L, 10 mg / L, 100 mg / L by rows. After a week measure the plants (see diagram 2). Then take a difference and respond to the two question. a) Whats difference reaction of plant to different kinds of concentration of hormone b) Whats the different reaction of different type of plants, meaning Dwarf to Normal plants B. Seed Germination Select three of the plants from the growth put one in the bottom, other in the media, and the last in the top (see figure 3) ans. the following questions. a) Compare difference between monocot and dicot b) For the three seeds pick ans. the following: Growth rate Find where the seeds located Pull them out and look at the root what are lateral, primary Which one growth better or faster Pull out and observe the length root C. Function of hormones obsession of leaf Select three pairs of leaf remove it from top of pediole. Add IAA to one side and control lanolin to the other and ans. questions. a) Ob scission of leaf IAA thigh. Which pediole still stay on stem why D. Stem Growth Take two stem flower find uppermost elongating internode. put me side, dont make sme an. ans. question. a) Observe shape of stem Compare different concentration why VI.

CONCLUSION.