study was begun. For this experiment the researchers tested the following mixtures: pure soil (A)‚ pure sawdust (B)‚ 90% soil (C)‚ 90% sawdust (D)‚ 80% soil (E)‚ 80% sawdust (F)‚ 70% soil (G)‚ and 70% sawdust (H). Each set-up was planted with five seeds. The set-ups were observed for a period of five weeks. Once a week‚ the researchers would measure the length and the width of the leaves of each sprout from every set-up. Measurements were recorded in a notebook. After all data were gathered it was
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pink tinge that gradually fades‚ five petaled‚ 2.5â?"3.5 cm in diameter. The fruit matures in autumn‚ and is typically 5â?"9 cm diameter. The centre of the fruit contains five carpels arranged in a five-point star‚ each carpel containing one to three seeds. The tree originated from Asia‚ where its wild ancestor is still found today. There are more than 7‚500 known cultivars of apples resulting in range of desired characteristics. It should be noted however‚ that cultivars vary in their yield and the
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ability to pick up your life and move in order to find food. Other advantages include more leisure time‚ live more sustainably‚ and that they tend to have healthier diets. People living in settled communities raise herds of tamed animals‚ plant seeds‚ raise crops‚ and live in permanent settlements. They had many advantages‚ which included‚ a steady food source‚ more complex society‚ a larger population‚ which led o the specialization of work‚ and the increase of trade. Another advantage is that
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germinating peas? Background: The process of cellular respiration‚ which provides energy for cell growth and development‚ is an important part of life in germinating seeds. It converts the chemical energy of glucose into ATP. As a germinating seed respires‚ CO2 is produced as a byproduct. Therefore‚ the amount of CO2 produced from a respiring seed can be an indicator of the amount of activity that is taking place in its cells. Germinating peas in particular undergo cellular respiration in their early stages
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EFFECTS OF NITROGEN FIXING PEA PLANTS (Pisum sativum) ON GROWTH OF CORN (Zea mays) Introduction Interactions among plant species‚ particularly negative ones‚ have been a concern in agriculture (Levene 1926‚ Russell 1961). Novoa (1981) suggested that it would be advantageous to rotate certain crops by season‚ grow certain crops together‚ or avoid growing certain crops on the same land. Observations indicated that some crops require specific types of nutrients in contrast to other crop
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explain the 7-celled‚ 8-nucleate nature of the female gametophyte. 4. Why is it necessary to emasculate a bisexual flower in a plant breeding programme? How it is done? Mention the condition under which emasculation is not necessary? 5. If you squeeze a seed of orange you might observe many embryos of different sizes. How is it possible? Explain 6. What are chasmogamous flowers? Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer. 7. Mention two strategies evolved to prevent
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however‚ the numbers were not far from the bt 456 at a low infestation. Superharvest was used at a high concentration and the numbers were substantially low. The corn varieties were not equally yolked at controlling the ecb. Based of my data‚ the corn seed make the
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reach their tissues by moving up the plant in the xylem sap Cytokinins slow the aging of certain plant organs by stopping protein breakdown‚ refreshing RNA and proteins synthesis and moving nutrients from surrounding tissues Gibberellins – promote seed and bud germination‚ stem elongation‚ and leaf growth Gibberellins are best known for refreshing stem and leaf growth by enhancing cell elongation and cell division Fruit growth; in many plants‚ auxin and gibberellins must be present for development
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Genetics & Plant Breeding Seed Science & Technology Education Division Indian Council of Agricultural Research New Delhi April 2009 Contents Page(s) Executive Summary 3-4 BSMAC Composition 5 Preamble 6-8 Organization of Course Contents & Credit Requirements 9 Genetics & Plant Breeding 10-50 Course Structure – at a Glance Course Contents List of Journals e-Resources Suggested Broad Topics for Master’s and Doctoral Research Seed Science Technology 10
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simply preposterous. Perhaps the generalization of the typical man being the lumberjack‚ captain of the football team‚ powerful iron worker type is fading away‚ but that hardly means that men are moving aside to let women take away their success. In Hanna Rosin ’s article “The End of Men”‚ Rosin indicates that there is a certain masculinity-crisis. Rosin argues that women are now dominating men in schooling‚ the workplace and the home. The world is now more suited towards the characteristics of women
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