References: [1] Amri‚ E. (2008). Effect of Timing of Seed Collections an Provenances on seed viability and germination capacity of Dalbergia melanoxylon [2] Amri‚ E. (2010). Effect of age of the donor plant‚ IBA treatment and cutting position to the rooting ability of stem cuttings in Dalbergia melanoxylon [3] Beale‚ D. (1995). "Tree!
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Several studies show that music possesses properties that affect the growth rate of plants in different ways. These properties may be the wavelength of the music‚ its frequency or even its tempo. According to a study conducted by Margaret E. Collins and John E. K. Foreman‚ entitled The Effect of Sound on the growth rate of plants (2001)‚ plants growth is directly affected by sounds of varying frequencies. They observed that when plants are exposed to pure tones‚ it affects the growth of the plant
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Abstract The purpose of this lab was to see if radiation has an effect on the cultivated radish seeds that we used. From the observed data that we collected‚ we were able to conclude that when seeds are exposed to radiation‚ it affects how they grow‚ if there is any growth at all. Introduction Radiation is an important environmental abiotic factor for plants‚ and one small section of the electromagnetic radiation spectrum‚ is called the Photosynthetically Active Radiation (PAR)‚ provides
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within the development of a plant however‚ seed germination is one of the most important phase within the plants life cycle (Baghizadeh‚ Hajmohammadrezaei 2014). Within the experiment conducted by Dkhil and Denden (2010) it was determined that a concentration of 100 mM sodium chloride induced changes within the germination process of okra seeds to a rate of 80.5% where as the seeds prepared with only deionized water yielded a success rate of 100% germination. Based on this result alone one can concur
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number of genus Helianthus (sunflower) seeds in pots to see how they respond to increased density in limited space. Two replicates each of 2‚ 4‚ 8‚ 16‚ 32‚ 64‚ and 128 seeds were planted in similar size pots containing an equal mix of potting soil and perlite. All plants were kept in greenhouse conditions exposed to similar light and temperatures settings and were watered at equivalent intervals. At the end of the time period each pot was evaluated for number of seeds that had germinated as well as number
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http://www.forestry.uga.edu/outreach/pubs/pdf/FOR99-004.pdf http://csip.cornell.edu/Projects/CEIRP/AR/Allelopathy.pdf http://books.google.com/books?id=AHVDtveqlpMC&pg=PA629&lpg=PA629&dq=allelopathic+plant+seed+test&source=bl&ots=hSTdyzvgf8&sig=VarslZVjWohBBHlmuzZzTYvwvn4&hl=en&ei=h6_-TKLLNYSglAfn79zHCA&sa=X&oi=book_result&ct=result&resnum=6&ved=0CEAQ6AEwBQ#v=onepage&q=allelopathic%20plant%20seed%20test&f=false Allelopathy is very a useful
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in CO2 concentration that is occurring in seeds of all types. Part 1: Germinating and non-germinating seeds a.) Hypothesis: Germinating seeds will have higher cellular respiration rate than non-germinating seeds. b.) Dependent variable is whether the seeds are germinating or not. c.) Independent variable is the change in CO2 concentration. d.) Control variables: temperature‚ mass of seeds used‚ and volume of chamber. Part 2: Germinating seeds in cold water Hypothesis: Low temperature
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experiment was to compare biodiesel to other fuels. The ecotoxicity of biodiesel was estimated‚ along with that of other biofuels through the germination of seeds in the presence of different concentrations of fuels. This resulted in biodiesel having an average of 79.4% germinated seeds in a 10% solution of fuel‚ compared to other fuels whose percentage of germinated seeds decreased with higher concentrations of fuel. In addition‚ biodiesel was also synthesized and its heat of combustion was found through
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In the Grande Ronde Valley seeds are planted in late April to late May. In the Columbia Basin and Central Oregon seeds are planted in August to September. All seeds are harvested one calendar year after planting (2011). The harvesting Method is similar to the method used for other grass seed. This includes “swathing the crop into windrow and allowing it to dry a few days before threshing (Copeland‚ 2001). According to Affeldt R.P et al‚ Kentucky bluegrass seed yield for eastern Oregon is between
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Due to diverse medicinal applications it is over-exploited and facing local extinction. It has been affirmed as endangered plant by IUCN. Basically the plant is monocot having very low germination capacity‚ (0.001%)‚ and life span is also very short just 2-3 months‚ conventional propagation is very limited and also slows since one tuber produce only one plant at a time‚ besides this plant is the richest source of colchicine‚ the high priced
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