fine-textures soil having been proven to have a greater retention capacity of allelochemicals than coarse-textures soils. Also‚ allelopathic interactions include both promontory and inhibitory activities of phenolic allelochemicals and thus using seed germination as a bioassay parameter may be of little value. KEY WORDS: Swietenia macrophylla‚ allelopathy‚ growth of monggo seedlings‚ inhibitory effect of mahogany‚ introduced species
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to understand Mendel’s concept of a Dihybrid by performing similar crosses and calculated the phenotypes that are displayed. This project was conducted over many weeks by planting F1 seed and waiting for them to grow then cross-pollinating the F1 plants to produce the F2 seeds. Next students were to plant the F2 seeds and record the phenotypes. After all the data was collected we ran a statistical test called a Chi Squared to see if the hypothesis put foreword was correct. After running the Chi Squared
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Preparation of Keiki Paste Materials: Vaseline (Petroleum Jelly) | 44.0g X 3 | Cetyl/ stearyl alcohol | 9.0g X 3 | Paraffin Oil (Liquid Petroleum) | 5.0g X 3 | Tween 40 | 2.0g X 3 | Benzyl Amino Purine (BAP or Benzyl adenine) | 1.2g | Water | 40.0g X 3 | 500ml Beaker | 3 | Metal stirrer | 3 | 55°C water bath | 1 | Weighing boats | 10 | 95% Ethanol | | Weighing Balance | 1 | | | | | | | Method 1. 44.0g of Vaseline and 9.0g of Stearyl alcohol was melted
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3. Agricultural robots Agricultural robots are used for agricultural purposes e.g. milking cows. Some of the robots are * Oracle robot – used for sheep shearing * Fruit picking robot - used to pick ripe fruits * Agbot – solar powered‚ multipurpose robot can be used to fertilize and plant seeds Pros:
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Bean (Phaseolus vulgaris) and Pea (Pisum Sativum) Temperature Germination Experiment Abstract: This experiment had the purpose of testing temperature for bean and pea seed germination. 100 beans were taken and split into four groups of 25. Each Group of 25 beans was folded inside a damp paper towel. Two of the damp paper towels‚ with the beans inside‚ were put in a plastic bag and then moved to a warm place and the other two paper towels were put in a plastic bag and then moved to a cold room
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always been an essential part of the human diet because of the energy they provide. Obtaining oil and fat from plants is a characteristic of many ancient cultures. There is evidence of the cultivation of plants that produce vegetable oils such as poppy seed‚ rapeseed and linen even in the Stone Age. The first oil presses were found on Crete from 3500 B.C. and Chinese sources from 2800 B.C. show that soy and hemp plants were used to produce oils. As vegetable oils and fats were goods in very short
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Introduction to Biology Lab- Pre-lab for Ecology Lab #8 A.) Hierro‚ Jose L.‚ and Ragan M. Callaway. "Allelopathy and Exotic Plant Invasion." Plant and Soil 256.1 (2003): 29-39. Springer.com. Kluwer Academic Publishers‚ 13 May 2003. Web. 7 Mar. 2013. <http://download.springer.com/static/pdf/801/art%253A10.1023%252FA%253A1026208327014.pdf?auth66=1363980296_005e124552dacf48bf5fb9abb2861861&ext=.pdf>. B.) This article documented an experiment done on an invasive forb found in the
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assimilation and nutrient element uptake in white clover and tall fescue under the influence of sulphate concentration and selenium tolerance of the plants. Journal of Experimental Botany‚ 43‚ 549–555. Xiong‚ Z.T.‚ (1998): Lead uptake and effects on seed germination and plant growth in a Pb hyperaccumulator Brassica pekinensis Rupr.‚ Bull. Environ. Contam. Toxicol.‚ 60‚ pp. 285-291.
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plant seeds 1- plastic Tupperware container 80 grams- soil 120 grams- clay 1- pipette Water 1- ruler 1- plastic bag Light source The experiment was conducted using the following steps: 1. Weigh eighty grams of clay and one hundred and twenty grams of soil and mix together in container 2. Dig two evenly spaced out holes in the clay/soil mixture 3. Place one seed in each of the holes 4. Push the clay/soil mixture to cover the seeds 5. Put two drops of water on each buried seed 6. Place
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gene" redirects here. For DNA transcription terminators‚ see Terminator (genetics). Genetic use restriction technology (GURT)‚ colloquially known as terminator technology or suicide seeds‚ is the name given to proposed methods for restricting the use of genetically modified plants by causing second generation seeds to be sterile. The technology was developed under a cooperative research and development agreement between the Agricultural Research Service of the United States Department of Agriculture
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