Ceratopteris Fern Growth and Analysis: Observing Germination and Effects of Ammonium Nitrate Treatment I: Abstract Observing the effects of ammonium nitrate has on the germination days of C-Fern gametophytes by constructing an experiment with two spore-sown petri dishes‚ one control and one treatment – a normal nutrient-rich agar petri dish and an ammonium nitrate-containing petri dish respectively. The two petri dishes were each inoculated with three drops of spore suspension
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Effect of pH on Green Pea Germination Objective: To determine how pH affects the germination of green peas and to examine the degree of germination within each pH level. We will do this by using various buffer solutions (along with distilled water) to grow green peas. Hypothesis: We expected that the group of peas that encountered a pH of 7 to have the most and highest degree of germination. Materials: tap water buffer solutions pH 3‚5‚ 7‚ 9‚11 distilled
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How sodium chloride concentration affects the germination‚ growth and development of Brassica rapa. Osumi‚ K.‚ Nihei‚ B.‚ Takanishi‚ K.‚ Nakamura‚ C.‚ Warehime‚ R. Period 2. 03/05/17 Introduction: To have a successful germination‚ the plant seed needs a sufficient amount of water and oxygen present. Other conditions include room temperature‚ and the amount of light intake. Hydration of a seed‚ is an essential step for seed germination (Martínez-Andújar‚ 2014). Plants tend to germinate better in
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different fungal characteristics. This study examines the effects of mycorrhizae on the growth of the rapid-grow radish‚ Brassica rapa. Germination rates and flowering rates of the plants were observed to determine if the mycorrhizal treatment benefitted the growth of the radish. The mychorrizal inoculum was found to have a positive effect on the earlier onset of germination and flowing. INTRODUCTION Mycorrhizal fungi are ubiquitous in terrestrial ecosystems‚ forming a symbiotic association with roots
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moist sand 12 cm. deep in which a given number of seeds are planted.PERCENTAGE OF GERMINATION – To find the percentage of germination of a particular seed ‚ usethe rag-doll method of testing seeds. • To calculate the Percentage of Germination ‚ use the formula : P.G. = GS / SS × 100 • In rolled towel test ‚ 56 seeds germinated out of 125 seeds planted. Find the percentage of germination . Solution : P.G. = 56 / 125 × 100 = 44.8 • The new seeding rate (
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Purpose: To see if the population density affect the growth (mass) and germination of individuals of two species growing alone and in mixed species groups. Hypothesis: If planted like treatment 1 (8 collards) and 4 (8 radish) then it will have a higher mass and a greater germination percentage. If the plant is planted with a smaller population density and has intraspecific competition then the radish and collard will have higher germination percentages and mass averages. Constants: Pots‚ temperature‚ soil
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WATER LOGGING AND SALINITY Naheed Ghazanfar Izhar & Associates Consulting 5.1 CLASSIFICATION OF WATER LOGGED AND SALINE AREAS BY DEGREE The existing irrigation system in Khyber Pakhtunkhwa was developed in late 1800s over a century ago. This system was designed for the farming at that time which was much lower than the cropping intensities of today. This system had limited provision for drainage‚ resulting in a rise in groundwater and the occurrence of salinity. |Table
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concentrations on the growth of the seed roots. This served to give us a cheap and quick way to experience a bioassay experiment from our classroom. Hypothesis I believe that a greater concentration of NaCl will correlate with a lower seed germination rate‚ as well as a shorter radicle length. Procedure 1. Label petri dishes with the appropriate concentration levels and place filter paper in each dish. 2. Treat each dish with 2mL of the appropriate concentration of the
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a species can produce chemicals that can prevent the growth or germination of another species. An example of this is Australian native plants such as Casuarinas and Eucalypts which produce allelochemicals that prevent competition of other plants. This is a form of a defence mechanism in order to survive. A negative effect of Allelopathy includes Patterson’s Curse. Patterson’s curse releases allelochemicals that inhibit the germination and growth of other plants. When plants are competing they compete
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secretion of biochemical materials‚ allelopathy involves a plant’s ability to inhibit germination or growth of the surrounding germination. In our exercise‚ we tested for the presence of allelopathic chemicals in plant shoots and the effect of the allelopathic chemicals (our I.V.) on the germination and growth (our D.V.) on radish seeds. The question proposed became‚ “Does Rose seed extract affect the germination and growth of radish seeds?” Keeping the allelopathic effects in mind‚ our working hypothesis
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