Ethan Peck Botany 11/10/09 “Vita-light verse Normal” {draw:frame} Figure 1. Average plant height for fast plants grown under two light treatments regular lighting and Vita light bulbs. My hypotheses for plant height was as follows: I belived that vita lite was going to be tremendously better than the normal lighting due to manufacture claims but as the evidence shows normal lighting did better. For reason I that could of went either way. {draw:frame} Figure 2.
It was also hypothesized that the mass of the plant and the amount of plants grown would decrease with more seeds, and I reject that hypothesis. From the class data table I found several numerical trends. The first one I found was that in pot 1, all the Zinna seed values were the highest compared to the other pots. I also noticed that if there was a higher amount of seeds in the pots, then their values were always higher than the ones with less seeds. While looking at the average mass per plant, I noticed that in each of the pots the numbers shrunk to smaller values.
Quantity refers to the intensity or concentration of sunlight and varies with the season of the year. Quality refers to the color or wavelength reaching the plant surface. Sunlight can be broken up by a prism into red, orange, yellow, green, blue, indigo, and violet. Duration refers to the amount of time a plant is exposed to sunlight or the lack of it’s designated photoperiod. Temperature: Temperature affects the productivity and growth of a plant, depending upon whether the plant is a warm- or cool-season crop.
It is expected that the the length of the radical would decrease as the salt solution increases. Hypothesis: I think that when the NaCl solution concentration increases the length of the radical would decrease. The fact is that as the salt solution concentration increases it weakens the plant ability to absorb water/ nutrients in order to grow. Variables: Independent: Salt concentration (0.0%, 0.2%, 0.4%, 0.6% and 0.8%) Dependent: Length of radical (cm) Controlled variables: Controlled? Amount of seeds (mung beans) per petri dish (8 beans) How?
The flowers on buckwheat have made the crop a good nectar source for honey bee keepers. Plant height and speed of maturity depend on planting date. If planted early in the summer, and given good fertility, plants will usually be at least one metre tall, and may take 11 to 12 weeks to mature. If planted in the latter part of summer, buckwheat will mature in about 9 to 10 weeks, and will be shorter, about 30 inches on good soils and 24 inches tall or less on poor soils. A hot, dry period during plant development will limit the size of the crop.
I collected 2 olive leaves from the north side which are exposed to low sunlight density and 2 olive leaves from the south side which are exposed to high sunlight density. I placed the north side leaves in a Ziploc bag labeled north and the south side leaves on another Ziploc bag labeled south in order to avoid getting them confused. I then traced each leaf from the low sunlight environment onto a paper, cut around the outline, weighed the leaves and made sure to keep track of their weight. I also repeated these steps with the leaves from the high sunlight environment. In order to calculate the leaves’ surface area, I used the conversion factor of a 100mm x 100mm paper which is (Mass/Surface Area = .000122mm^2).
Annotations for “The Grapes of Wrath” by John Steinbeck Chapter 1- (Pg. 1-4) Summary- In Oklahoma there is the red country and the gray country. In May, the area is green and beautiful for growing crops. Then as the summer approaches, it becomes dry and dusty. The corn is ripening in the late May with the last rains and looks healthy.
Plant Growth Investigation The scientific method is a way to ask and answer scientific questions by making observations and doing experiments. The question I was attempting to answer was; what are the effects of different types of water on the growth of grass? My hypothesis was if we water the grass seeds with bottled, tap, and salt water, then the seeds getting the bottled water will grow the best and be the tallest at the end of the experiment because the bottled water doesn’t have the toxins that the salt and tap water will have. We needed a lot of materials to conduct our experiment they were; • 6 Seven ounce cups • Soil • Seeds (20 per cup) • The 3 types of water (Salt, Bottled, Tap) • Graduated Cylinder • Ruler • Pencils • Sharpie • Our chart/packet Our procedure was to first gather all of the materials we needed. We first labeled each cup with what type of water we were going to use.
Comparing the Growth of Pea Plants Grown in the Light and in the Dark Aim: To compare the vertical growth and weight gain of pea plants grown in the light and in the dark. Background Knowledge: Photosynthesis forms the basis for this experiment. This is the process by which a plant makes food for itself from the raw materials around it. The energy needed for photosynthesis comes from sunlight, which is the variable for this experiment. The substance that absorbs sunlight is chlorophyll, which is mainly contained in chloroplasts.
Practical application of this knowledge will lead to healthier plants and improved plant growth with greater uniformity. It also helps to minimize biosecurity risks. Several serious soil borne plant pathogens are being spread around the world with nursery plants. Many tropical soils harbor numerous soil borne pathogens for several years which often limit crop production. These pathogens includes various fungal, bacterial and some