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96hrs| 60%| Heated 2| 11| 4| Approx. 549 0 obj <>stream (Hill & French 2003). This keeps germination of the control seeds low). % of the total seeds germinated. ” Hypothesis: If the Acacia decurren seeds are exposed to heat, then the rate at which they germinate will be increased. Pre-sowing treatment included immersion in concentrated. com/germination). The Germination of Seeds of the Native Plant Acacia decurrens Practical Report Biology 1 Introduction: In a botanical sense, “germination is the process of emergence of growth from a resting stage. This can be linked to this experiment as the higher temperature observed for the oven may have denatured the proteins, thus inhibiting the germination process. This averaged the amount of 66. The process is aborted if no germination has occurred in two weeks from the time the seed plumped up. All you need to do is fill out a short form and submit an order. After 24 hours, each group of seeds were placed into 4 separate Petri dishes. The seeds appeared to be a random sample, differing in shape, size and form. 72hrs| 73%| Control 1| 0| 15| 0| 0| Control 2| 0| 15| 0| 0| Both Heat treated groups 1 & 2 had seeds that germinated within 3-4 days of receiving this heat treatment. The hypothesis to be tested is; “If the Acacia decurren seeds are exposed to heat, then the rate at which they germinate will be increased. Conclusion: Through the results collated it is evident that the hypothesis of; If the Acacia decurrens seeds are exposed to heat, then the rate at which they germinate will be increased, is in fact true. Sorry, but copying text is forbidden on this website. The remaining 2 Control groups of seeds, were soaked the in same way but soaked in cold water and again left for 24hrs. Discussion: The results of the experiment demonstrate that if Acacia decurrens seeds are subjected to the heat treatment by placing the seeds in boiling water and leaving them in that same water for a period of 24 hours, then the rate at which the seeds germinate will be affected. Therefore of the four seed groups, both Heated 1 & 2 would be subjected to heat treatment process and the Control groups would be used as a standard by which to compare experimental observations. Labour Law Talk (2005) Available at http://encyclopedia. Prior to the germination science experiment read seed books and talk about seeds. The Acacia genus was susceptible to the slightest change in temperature as it was found that germination was at approximately 98% for the Acacia decurrens at 90 degrees, yet If you need this or any other sample, we can send it to you via email. Sow the germinated seed in a pot with 1/4 coco peat and 3/4 sand mix at 0.5 cm depth. These 4 seed groups were placed into the four separate petri dishes and were titled Heated 1 & 2, and Control 1& 2. Retrieved from https://graduateway.com/the-germination-of-seeds-of-the-native-plant-acacia/, This is just a sample. Introduce the word GERMINATION. laborlawtalk. Place the seed in damp paper towels in a closed container in a dark place until it germinates. h��V�o�6�W��`$Q$%E ǮWcmV��2����� [2$���ݝH�R�f���p��x_��2�XȤY���$���8Rp�L(�`���劥a Each Petri dish was covered in a layer of cotton wool, which was moistened with potable water. endstream endobj startxref g^� &e. The intention for this experiment was to determine whether the effects of heat increased or decreased the rate at which Acacia decurrens germinated. %PDF-1.5 %���� The decision to randomly select and divide the seeds into four groups of 15 was made. GI = germination index) were studied. 538 0 obj <>/Filter/FlateDecode/ID[<839FDD88FAA6904B92CC33B2C3DD2870><3EE44B0D195EC741ABB85ED4D01C044A>]/Index[522 28]/Info 521 0 R/Length 81/Prev 71729/Root 523 0 R/Size 550/Type/XRef/W[1 2 1]>>stream Year 11 Biology students have been conducting an investigation into the effect of heat during different periods of time, on the germination rates of acacia seeds. The hypothesis to be tested is; “If the Acacia decurren seeds are exposed to heat, then the rate at which they germinate will be increased. ” (http://encyclopedia. Abstract. The intention for this experiment was to determine whether the effects of heat increased or decreased the rate at which Acacia decurrens germinated. In this instance the heat source was from boiling water, but other heat treatments may also increase this germination rate. Germinated| No. Germination is when the seed begins to grow a root and a shoot. Germination of Acacia auriculiformis A. Cunn. This would allow for further investigation into the exacting factors and specific limits which affect the seed germination process. For Many Acacia seeds the breaking of the dormancy occurs with heat and although smoke and ash stimulate seed germination for many species with hard coats, heat is the main factor influencing the germination of Acacia decurrens. seeds was related to seed development. In case you can’t find a sample example, our professional writers are ready to help you with writing The seeds were checked once daily for 10 days to take specific note of germination progress, or of any change in physical appearance. Later, germination declined gradually as dormancy and mortality increased. The Petri dishes were labelled: Heated 1, Heated 2, Control 1 and Control 2. 0 sulphuric acid for 5, 10 and 15 min; immersion in hot water for 2, 4 and 6 min; abrasion of the seed coat. As they have a hard outside coating which is generally impermeable to water. Get Your Custom Essay on, The Germination of Seeds of the Native Plant Acacia, By clicking “Write my paper”, you agree to our, Crushed Garlic On Seeds Germination And Growth Biology, Different Factors Affect Growth Of Cress Seeds Biology, Studying the Effect of Salt on Cress Germination, https://graduateway.com/the-germination-of-seeds-of-the-native-plant-acacia/, Get your custom Upon germination, I immediately (same day) transfer them into square 4 x 4 x 6.5 mm black plastic pots in a styrofoam tray using my own brew of potting mix. our expert writers, Hi, my name is Jenn endstream endobj 523 0 obj <>/Metadata 32 0 R/PageLayout/OneColumn/Pages 518 0 R/StructTreeRoot 42 0 R/Type/Catalog>> endobj 524 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 525 0 obj <>stream Germination for me is when the radical shows through the seed coat. It was found that certain seeds reacted differently, and he the phsyical action of heating, whether at low or high temperatures affected the rate at which the seeds germinated. By continuing we’ll assume you’re on board with our cookie policy, The input space is limited by 250 symbols. Under favourable conditions, the seed begins to germinate, and the embryonic tissues resume growth, developing towards a seedling. Have a hard outside coating which is generally impermeable to water 0.5 cm.... The Heated 1, Heated 2, Control 1 and Control 2 were left! Use of a pre-treatment seeds and let stand overnight paper towels in diary! Specific limits which affect the seed begins to germinate, and the embryonic tissues resume growth, towards. To take specific note of germination progress, or of any change in physical appearance is impermeable... * Auld, T. D., O ’ Connell, M. a, acacia seed germination experiment D., O Connell! 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