Urbina Post Harvesting Onion Basic Storage & Handling Tips for Dry Bulb Onions: Always handle onions with care. Do not drop onions as this often causes bruising and internal decay. Bagged or boxed onions should be stored at least one foot away from walls and other pallets to allow proper air movement. Keep stacks of bags or boxes at five feet or less. Store onions in a cool‚ dry‚ well-ventilated area. Maintain storage temperature of 45-55°F. Do not wrap onions in plastic or store in plastic
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Osmosis in Red Onion Cells By: Youssef Gharib Brief Description of Osmosis in Red Onion cells: Osmosis is the diffusion of water from an area of low concentration to an area of high concentration across a semi-permeable membrane. The purpose of this lab is to compare the three different types of solutions affect on the relative size of the vacuole to the cell‚ the outer membrane of onion red cells (tunics) are used to figure out the different types. In the red onion you can see effects promptly
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Cheek and Onion Cell Experiment The aim of this experiment will be to show that different cells have different structures and textures. Hypothesis I believe that viewing these different cell types under the microscope will show more detail and variations between the cells. Method Apparatus All apparatus was collected and setup as shown in the table below. CHEEK CELL ONION CELL Microscope Microscope Slide Slide Methylene Blue Iodine Spatula Microscopic Cover Slip Microscopic Cover
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Looking at onion cells using a light microscope. Apparatus; - 1x Light Microscope. - 2x Pipettes. - 1x Beaker (100 ml). - 1x Small Onion. - 1x Knife. - 1x Forceps. - 1x Microscope Slide. - 1x Cover Slip/Glass. - Water. - Iodine Solution. - Marble Tile. - Plastic Gloves. - Window/Strong Light Source. Pre-Practical - Setting Up the Experiment; Place the onion onto a marble tile. Using a knife‚ chop the onion into pieces that are roughly 1.5-2 centimeters. Then discard the rest of the onion. Place
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grow onions Today‚ most people simply eat onions raw or cooked‚ in about a thousand different ways. Onions are warm-season veggies and‚ however you plan to use them‚ you can grow them anywhere following the following easy steps: a) Buy started plants at the nursery. Otherwise‚ start seeds indoors 8 to 10 weeks before the last expected frost (see "How to Start Vegetable Seeds Indoors"). b) Choose a site that gets at least 6 hours of sun a day and has soil with a pH of 6.0 to 7.5. Onions need moderately
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to an onion cell? Materials: (per student group): red onion epidermis forceps‚ dropper distilled water NaCl solution paper towels microscope slide cover slip Procedure 1. Make a wet mount of the red onion epidermis. 2. Examine under low power. When you have a clear view of several cells‚ switch to high power. Make a labeled drawing (cell wall‚ membrane‚ cytosol) of your cells. This will give you a record of the original appearance of the onion cells.
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this principle‚ a purple onion cell is going to be bathed in different concentrations of salt (NaCl) water. Problem: How do solutions of various salt concentrations influence osmosis in relation to an onion cell? Hypothesis What will happen to the onion cell if it is placed in salt water? What will happen to the onion cell if it is placed in distilled water? If ..the onion cell is placed in salt water then... the cell will shrivel up
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Examination of Onion Epidermal Cells Requirements: Iodine solution HARMFUL Onion Distilled Water Apparatus: Microscope Microscope slides & cover slips Tile Knife Tweezers Pasteur Pipettes Assignment: I was given the onion once it had been chopped up on the tile‚ ready for me to peel back the skin I required using the tweezers. I then placed piece of onionskin onto the microscope slide‚ making sure there were no folds or creases‚ and put a drop of iodine onto the slide
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ONION PRODUCTION IN A GREENHOUSE GREENHOUSE TECHNOLOGY Greenhouse is a structure that allows controls of certain environmental parameters for purposes of providing optimum conditions for the growth of a targeted crop. The greenhouse production is a highly specialized and intensive form of agriculture as Compared to field crop agriculture. The greenhouse production is more suited to vegetables‚ flowers; fruit a can also be used as a nursery for all vegetable crops‚ because of their short life-span
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the Story Onions are often chopped and used as an ingredient in various hearty warm dishes. Onions‚ along with many other plants in the Allium species absorb sulphur in the soil. Majority of households here in the Philippines experience irritation of eyes while cutting onions. Onions are common ingredients in cooking so it’s impossible to avoid cutting some. The onion has been used as an ingredient in various dishes for thousands of years by many cultures around the world. World onion production
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