Germination and Early Growth of Three Angiosperms

A detailed Summary of Germination and Early Growth of Three Angiosperms

In this experiment, we will observe and record the growing patterns of three different species of angiosperms (corn, bean, mustards) for 11 weeks. At the beginning of the experiment we plant numerous seeds from each species in the same pot. In hopes that at least two of each species would germinate. After germination, if more than two of each species grew we then picked the best two and pulled up the remaining ones so they wouldn't strip the nutrients from the others ones. My general knowledge of the biology of seedlings told me that they have very tiny root systems and no 2° cell walls. They also are very vulnerable to drought, grazing, and to over watering, which produces at great atmosphere for fungal growth. Because this experiment was controlled the drought and grazing weren't a problem. Being rasied on a farm I knew that the corn would grow the tallest compared with the beans and mustards. I was undecided as to which one, the beans or mustards would grow first. If I had to guess I would say that the beans would most likely grow first because it needs to store nutrients for the upcoming

Day one of the experiment I filled a 6 1/2" diameter pot seven-eighths full with Premix Premium peat-based potting soil. Then I compacted the soil to the bottom of the pot. Next I proceeded to plant three species of seeds, Phaselous vulgaris, or Bush beans, Zea mays, or sweet corn, and Brassica juncea, or Indian mustard, in three different places in the same pot. After planting about four seeds of each species I then covered the seeds with a handful of soil spread evenly over the pot and pressed down. Every pot in this experiment was labeled with a stick that had their name, lab section, and course number on it to keep the green house organized. The green house is a 16' by 24' fiberglass house with shading that cuts 50% of the sunlight out, and ventilation was held constant by a electric fence. The lights are UV "gro-lux" that were on from 6 a.m. to 6 p.m., and the air humidity was constantly about 70%.

The soil in which we planted the seeds in has enough nutrients for about three weeks of growing. So the germination process occurred rapidly. One week after planting, the pot was observed for growth. The seedlings were then measured from the base of the plant to the tip of the leaves.

Some common words found in the essay are:
Premix Premium, Instructor Introduction, Methods Day, green house, , Lab November, beans mustards, drought grazing, seeds species, mustards grow,

Approximate Word count = 812
Approximate Pages = 3 (250 words per page double spaced)

Category: Science

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