There are a few different types of breeding methods, which include conventional breeding, backcrossing breeding, hybrid breeding, inbreeding, mutation breeding, and genetic engineering. Conventional breeding includes the deliberate interbreeding (crossing) of closely or distantly related plants, resulting in new varieties with desirable properties. Backcrossing breeding entails using genetics from one plant to improve another. For example, A plant that has the desirable trait–let’s say mildew resistance–is crossed with a plant that doesn’t have that trait, but is desirable in all other traits. There is a quality control step to make sure that the only change to the original variety is the desired trait.
An example, A bacterium known as ”Bacillus Thuringiensis” acts like a reservoir , it enables crops to be insect-resistant , so these genetically modified crops will grow without any interference from pests, these are one of the many advances due to technology. The invention of this technology is being used in developing countries to grow cash crops like cotton, since this genetically engineered cotton plants are pest resistant, they grow better than the normal cotton plants hence yielding good results. For thousands of years, human beings have been engaged in improving the crops and animals they raise. Over the past 150 years, scientists have assisted their efforts by developing and refining the techniques of selection and breeding. Though considerable progress has been achieved, conventional selection and breeding are time-consuming and bear technical limitations.
Business Technology Early College High School Fertilizer Lab Experiment AP Living Environment Mr. Acquaotta/Mr. Lee Purpose The purpose that this lab was conducted was because we wanted to see if seeds germinated faster if fertilizer was applied. Introduction Fertilizer we use it when we garden, we see companies promote it in various ways, but have you ever wondered if it made a difference in growth of plants? Does it really make flowers bloom more rapidly or vegetables grow larger and more productive? The answers to these questions are all within the realm of science because they are testable by controlled experiments, observations and data gathering.
In the root formation phase, hormones are introduced to induce rooting and the formation of complete plantlets. (AgriForest Bio-Technologies Ltd.) Despite tissue cultures’ complexities it has been a proven a successful method once the right precautions are taken. There are different types of plant tissue culture. The main types are seed culture, embryo culture, callus culture, protoplast culture and organ culture. (Microscope Master) In seed culture, tissue from the plant are obtained from an in vitro derived plant.
Technological advancements in the scientific field have led to the advent of genetic engineering, including the genetic modification (GM) of food that may hold the key to the solution of many existing problems like food shortage, world hunger and genetic diseases. Uzogara (2000) state that the intentional attempt to alter the genetic make-up of plants or animals is known as genetic modification. Scientists have shown the potential benefits that those genetically engineered crops can bring about such as increased shelf-life in Flavr Savr Tomato and pest-resistant Bacillus thuringiensis (Bt) corn, which are said to benefit the producers. From the consumers’ point of view, what matters most is the health benefits that genetically engineered crops will bring about, which wild-type food crops may not be able to do.
We cannot imagine our life without genetic engineering. Genetic engineering it is science which is interested in studying the genetic makeup of living creatures, from the plant , animal and human, in order to know the laws that govern the qualities genetic of these creatures, hoping to intervene in those qualities positive intervention, and modify or repair the defects. The role of genetic engineering is an attempt to collect recipes Useful taken from the living organisms and transferred to another organism, and this is done by isolating the responsible genes and then added it to the new organism, which earns new character ,and function that has never possessed previously .which mean than genetic engineering has many advantages and
Ethical Reasoning (Con) On the flip side, those who are anti-GMO argue that genetically modified crops such as corn and soybeans are causing harm to the environment around them. Corn, soybeans, and alfalfa are all genetically modified to resist certain pests and other dangers. “The GM version of field corn protects the crop against corn rootworms and the Asian corn borer” ( What Foods are…). The GM soybean plant is resistant to pests and disease as well as tolerant of herbicides that are most effective, allowing for less herbicides use overall. Along with this, alfalfa is genetically engineered with herbicides that reduce weeds and protect against smaller pests.
Since Mendel's discovery of the laws of genetics we have had a better scientific understanding of plant breeding. There are three main practices in conventional plant breeding. Firstly, and the oldest practice, is selection. This means selecting certain plants which show desirable traits. Then you breed these plants over several generations to weed out weaker traits and to get a fuller understanding of the plants ability and commercial and economic potential.
Genetics Modification Genetic modification is a unique set of genes technology that affect the genetic system of the living organisms such as : animals ,plants and micro organisms. Scientists discovered in 1946 that DNA can be transferred between organisms (Clive, 2011).There are several mechanisms for DNA transfer, for example, the mechanism for antibiotic resistance in bacteria. There are variety fields of genetics modification: crops ,food ,micro organisms ,plants ,animals and humans. Genetic modification has a great environmental and financial benefits. Genetics engineering able us to avoid genetic diseases.
Through the experiment, they notice that depending on which fertilizer you use, it can help increase or decrease the way plants grow. Of the many important components needed for plants to grow, fertilizer is one that can have a very positive impact on the strength, health, and rate of growth in garden plants. Fertilizers are also called plant food elements. In the article, Bo-Ching Chen and Hung-Yu Lai “effects of nitrogen fertilizers of the growth and nitrate content of lettuce”, fertilizer have many elements that help plants grow. Fertilizer helps plants develop when there in the first stage.