Explain why the seeds of fruit trees like durian, rambutan, and avocado could not be stored in the cold seed storage facility for a long period of time.
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- Explain why the seeds of fruit trees like durian (Durio zibethinus), rambutan (Nephelium lappaceum), and avocado could not be stored in the cold seed storage facility for a long period of time.The data that is attached below was collected during a lettuce seed ecotoxicity assay. Lettuce seed assays are used to compare the ecotoxicity of methanol, ethanol, and isopropanol by these alcohols' effects on germination rate and root elongination. Using the attached data, help answer which alcohol seems to be the most toxic to lettuce seeds. Why or why not would your results be expected? What does this information tell you about using ecotoxicity data to estimate human toxicity?These are the characteristics of high quality seeds EXCEPT: Have fewer weed seeds Free from visible seed-borne diseases Full and uniform in size At least 70 % germination rate
- Drying and aging seeds is a way to enhance seed viability and germination and at the same time to control seed-borne plant pathogens. True or falseDanish is preparing a plate of papaya (Carica papaya) for his sleepover friends. As he cuts open the papaya, they discover great numbers of slime-covered seed inside, surrounded by soft flesh and soft skin. Before papaya fruits ripen and the seeds inside them mature, their flesh is bitter or sour. Only later does it become tasty. Discuss how this feature improves the odds for the plant's reproductive success and identify the possible agents to disperse the seeds.Compare the following situations of seed germination of monggo (Vigna radita) seeds within five days: - exposed to direct sunlight - placed in a shaded area, and - placed in complete darkness
- How Long Can Seeds Remain Viable in Dormancy?James is preparing a plate of papaya (Carica papaya) for his sleepover friends. As he cuts open the papaya, they discover numbers of slime-covered seed inside, surrounded by soft flesh and soft skin. Before papaya fruits ripen and the seeds inside them mature, their flesh is bitter or sour. Only later does it become tasty.Discuss how this feature improves the odds for the plant's reproductive success and identify the possible agents to disperse the seeds. Remark: The word count limit is 250 words only, no less than 100 words.Compare the following situations of seed germination of monggo seeds within five days: - exposed to direct sunlight - placed in a shaded area, and - placed in complete darkness
- Which of the following are the factors that affect seed storage Moisture content Relative humidity and temperature Variety of seed Initial seed quality the activity of the organism not associated with seedChoose one of the possible answers in the brackets to fill in the blank. During (simple dormancy/organic dormancy), seed only requires proper light and moisture for germination. During (simple dormancy/organic dormancy), the property of the seed prevents germination, even with light and moisture.About 200 years ago, Jan Batista van Helmont wanted to know where growing plants get the materials necessary for increase in size. He planted a tree seedling weighing 2.2 kilograms (5 pounds) in a barrel filled with 90 kilograms (200 pounds) of soil and then watered the tree regularly. After 5 years, the tree had gained almost 75 kilograms (164 pounds), and the soils weight was unchanged. He incorrectly concluded that the tree had gained all of its additional weight by absorbing water. How did the tree really gain most of its weight?