Lab Activity : Factors Affecting Seed Germination

In a plant’s life cycle, there are a few key details such as germination, growth, egg or sperm production, pollination, seed production and dispersal, and finally death. In the germination phase the seed sprouts after a certain exposure to light, temperature, and moisture (Pima Community College). In the growth stage the sprout turns into a mature plant, this is followed by the production of an egg or sperm and then pollinated by other pollen transferred by the wind or an animal. Next is the seed production when the embryo and endosperm get a seed coat to form a new seed, the dispersal of the seed occurs it is transferred from the parent by interaction with an animal. Finally death, it’s pretty obvious, death is when the plant dies.

Germination is the stage of plant growth through which a seed becomes a seedling plant. First, the seed begins to absorb water and the radicle root emerges from the seed coat and into the water. Then, the primary roots grow, the cotyledons move above ground, the stem begins to grow, and leaves develop. The process is complete when the first leaves open and the cotyledons fall off (The Learning Garden 2001).

This then not only prevents the germination of the seed; however, if the plant were to initially germinate, it would be unable to grow any further, as without enough water, photosynthesis, nutrient transfer, or transpiration would be unable to occur; therefore, the plant would be unable to sustain (Growing Anything,

Root development from the seed developing downwards to give more sub roots then they develop into a hair like substance it reamains connected as the stem is growing up and after that it breaks the dirt and creates takes off.

For this experiment, we focused on the starch molecules that are contained within the whole-wheat seed.

The purpose of this study is to determine the effects of water temperature and exposure on seed germination. Germination is a process of when a seed begins to grow or develop into a seedling from an angiosperm or gymnosperm. Majority of plants come from seeds and since there are many different types of seeds, some have different times of germination. Sweet corn seeds, watermelon seeds and green bean seeds were tested to see if seed germination is altered by long-term exposure to water of different temperatures. Sweet corn seeds, watermelon seeds and green bean seeds were placed into a 16-ounce labeled cup containing 5 seeds of each. About 8 ounces of purified water was poured into each cup. The three cups were placed into different water temperatures: hot (85 degrees F), room temperature (60 degrees F), and cold

It is important for seeds to be able to be dormant because that they can be saved and planted at a later time. Dormant seeds are only able to be planted because of germination which “wakes up” or activates the seeds. If seeds could not be germinated, then dormant seeds could not be planted which would mean less crops and flowers which would effect in a negative way. Many animals would die because crops and also flowers are near the bottom of the food chain and are necessary in life for almost all living things, even if an animal is a carnivore. Germination is not the only thing necessary for plants’ growth. Plants need water, nutrients, carbon dioxide, warmth and a source of light. Light is a key part of photosynthesis and without it, a plant would not be able to produce food for itself and it would eventually die. Germination and light are necessary in plant growth, and plants are necessary for all living things.

Gibberellin Acid is a plant hormone that can affect plant growth by manipulating the cell division, stem elongation, and even mobilizes food resources within the endosperm to increase seed germination (Wiathrop, 1998). This experiment took place to test the factor of whether or not gibberellin could allow a seed to germinate and grow in the absence of light. Plants were distributed five drops of gibberellin and then placed in the cabinet for a total of three weeks. Each week, we recorded the growth of each plant. As a result of the three weeks, only one of the two hormone-induced plants successfully sprouted to a total of 16.2 centimeters. The other hormone-induced seed showed germination however, resulted to zero vertical growth,

process known as sowing, all the seeds from a hole are dropped one-by-one into subsequent

Just wanted to share with you the template for the Seed Germination Inquiry Lab Report {Template}. The general information filled in, all that is left is the remaining information (based on the experiment). Afterward, you should be complete with the lab report and can turn it in to the instructor.

For each of the following terms, provide: (1) a definition relevant to plant ecophysiology; and (2) source(s) from where the information was obtained (e.g. class notes, URL for website, citation for book or article, etc.).

Observing the growth hormone acid on germinating seeds. Background: Seed - the germ of a mature plant. Germination - the transition from the seed dormancy in the vegetative growth of the embryo and the formation of a seedling. Basically,germination is a process of growing the plant from the seed.

In this lab I found out about plants and how germination cycles. In the pine cone it was seen that water was utilized as a specialist to impact the seed into being discharged. In the second part of the lab the celery was utilized to show how water is transported all through a plant and this gave a more visual representation about how water voyages. This lab demonstrated how diverse plants and trees, for example, the redwoods utilize ecological components to help in their own particular germination forms and these components can really act to discharge the seeds. This lab indicated many of the ways that plants partake in procedures which help their life cycle and generation.

Plants have their seeds buried in order the species survive. At the certain temperature, seeds start to germinate. There are two seeds used for the experiment, Acacia terminalis and Dillwynia floribunda. Seeds need heat for germination to start. Acacia terminalis showed a response while Dillwynia floribunda did not but both seed response in a cold water treatment. Factors such as water temperature and length of time the seeds remained in heated water may explained why Dillwynia

Root: The root grows in the ground. The roots soak up water and nutrients and hold the plant in place.