Saturday, April 6, 2019
The Effect of Different Levels of Radiation in Growth of Plants Essay Example for Free
The Effect of Different Levels of actinotherapy syndrome in Growth of Plants EssayABSTRACTThe effect of different aims of radiation therapy was determined use quadruple format-ups-10kR, 30kR, 50 kR, and the control (no radiation). The four set-ups were observed for nine weeks and evolution (in cm), germination, and survival rate was measured. Results showed that at the right on aim of radiation level (10 kR), radiation have a positive effect on the establish yield and has the aforementioned(prenominal) germination and survival rate from the control set up. The 30 kR set up and 50 kR set up are relatively smaller in evolution than the control set up. Thus, increasing the radiation level above 10 kr corn inhibits its harvest-festival in terms of height and decreases the percent germination ofcorn (Zea mays L.) but with right amount of radiation at 10 kr radiation has a positive effects in terms of maturation.INTRODUCTION fit in to (Mendioro, Laude, Barrion, Diaz, M endoza, Ramirez, 2010), Mutations are changes in the genetic material that are heritable and essentially permanent. Mutations either may be spontaneous, or induced by physical or chemical agents. Ionizing radiation such as X-rays, protons, neutrons and alpha, beta, and da Gamma rays from radioactive sources like radium and cobalt-90, X-rays and other ionizing radiation is one of the common mutagenic agents that break deoxyribonucleic acid strand which produce chromosome breaks rather than base changes (Ramirerz, Mendioro, Laude, 2010). Ionizing radiation can penetrate tissues and sustain ionization forming ions.These ions undergo chemical reactions to have a stable chemical configuration. While doing these, ions produce breaks in chromosomes, (DNA) which induce sport (Das, 2006). The biological effect of ionizing radiation depends mainly on the amount of energy absorbed by the biological system of which, of course, the chromosomes are the most target (Harten, 1998). However acc ording to Wort (1941) as cited by (Sax, 1955) wheat seeds irradiated with depression doses of X rays produced larger plants than the control.The study aimed to determine the effect of different levels of radiation on plant growth in corn (Zea mays L.). The specific objectives were 1.Toobserve the effects of different levels of radiation on plant growth in termes of height, germination, and survivability, and 2.To explain the observe effects of radiation in corn (Zea mays L.) to its growth.MATERIALS AND METHODSTo assess the case of different levels of radiation in plant growth of corn, corn seeds were irradiated at varying doses 10 kR,30 kR, and 50 kR. These irradiated seeds were at the same time and the same place including the control set-up. For nine weeks, the data for plant growth (cm), germination rate(%), survivability rate (%) were collected and tabulated.RESULTS AND DISCUSSIONAs seen in Table 1, results show that the the set-up that was irradiated with 30 kR and 50 kR ended the low percent germination while the set-up that was irradiated with 10 kR was the same with the control based on percent germination which is 100%.At the first date of observation, the lowest in average height is the set-up that was irradiated with 50 kR. With the same date and place of planting, you can conclude that radiation has an effect to the plant growth, germination, and survival of the plant.You can see at the Graph 1 that the control set-up and the 10 kR set-up are almost the same but in the end of the graph, the 10 kR set-up was the highest in terms of average plant height.At 50 kR, the plant cannot survive anymore due to the radiation and no data was recorded because the survival rate is 0% means all the plants in the 50 kR was dead.Unlike in the 10 kR, 30 kR set-ups was relatively lower than 10 kR setup in terms of plant growth, survival rate and germination rate. Plants have some immune to some radiation because plants do not have lotions and sunblocks and they nee d sunlight for photosynthesis and we know that the sun emits UVrays.SUMMARY AND CONCLUSIONThe effect of different levels of radiation was observed by irradiating corn seed using three different setups-10 kR, 30 kR, and 50 kR. Data was collected and shown. Thus, there is a certain level of radiation that can make a plant grow more. In this experiment, we conclude that at 10 kR, corn plants grow better because of mutation. Furthermore, this experiment is subjected to further reseach to improve the conclusion that at certain level radiation, plants grow better.BibliographyDas, L. D. (2006). Genetics and Plant Breeding. New Age International Ltd. Harten, A. M. (1998). Mutation Breeding Theory and pragmatic Applications. Cambridge University Press. Mendioro, M. S., Laude, R. P., Barrion, A. A., Diaz, M. Q., Mendoza, J. C., Ramirez, D. A. (2010). Genetics Laboratory Manual 12th Revision. 7 Lakes Printing Press. Ramirerz, D. A., Mendioro, M. S., Laude, R. P. (2010). Lectures in Genetics Ninth Edition. 7 Lakes Printing Press. Sax, K. (1955). The Effect of Ionizing Radiation on Plant Growth. American Journal of Botany, 360-364.
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