Lab outline lab 3, Hanoi - Copy - samples and two of...

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Lab 3 Ethylene
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Goal To observe the effects of ethylene in fruit ripening, and to see the action of inhibitors CO 2 1-MCP
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Materials Ethylene treatment system ethephon at an appropriate dilution Samples of the different commodities (15 of each) Banana, apple, guava, kankong, rose, cucumber, mango, citrus 1-MCP Sealable tank
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Method • Randomize your commodity into 5 samples of 3 (or ahandful, in thecaseof thekankong) • 6 hours before the lab, place two samples in 1 ppm 1-MCP – 0.2g MCP powder in a sealed 100L tank, drip water into the powder through an opening, then immediately seal theopening • During the lab, treat one of the 1-MCP treated
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Unformatted text preview: samples, and two of theotner sampleswith 100 ppm ethephon (0.8 ml in 4 L) • Onesampleremainsuntreated Treatments 1. Untreated sample in a perforated bag 2. 1-MCP-treated sample in a perforated bag 3. Ethephon-treated sample in a perforated bag 4. 1-MCP and ethephon-treated sample in a perforated bag 5. Ethephon-treated sample in a sealed bag Observations and records • During the lab exercises for the rest of the class, or until the commodities are ripe or rotted, record observations on their behavior with the different treatments, take photographs and includein your final report...
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