Iha Education February 2010 Webinar - Scotts

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Iha Education February 2010 Webinar - Scotts - Quiz


This quiz was created to review the February 18th webinar presented by Scotts


Questions and Answers
  • 1. 

    Spurge is most problematic in warm summer weather.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    Spurge is a type of weed that thrives in warm summer weather. It is known to grow rapidly and compete with other plants for resources, causing damage to lawns and gardens. Therefore, it can be concluded that spurge is indeed most problematic in warm summer weather.

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  • 2. 

    Which of the following are characteristic of the weed Eclipta?

    • A. 

      Water loving weed

    • B. 

      Frequently found growing from drain holes in containers

    • C. 

      Seed is disseminated in water

    • D. 

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The weed Eclipta is characterized by being water-loving, frequently found growing from drain holes in containers, and having seeds that are disseminated in water. This means that it thrives in moist environments, often takes advantage of containers with standing water, and spreads its seeds through water.

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  • 3. 

    Oxalis species actually have seed heads that explode to disseminate seed several feet.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    Oxalis species have seed heads that explode to disseminate seeds several feet away. This means that when the seed heads are mature, they burst open forcefully, propelling the seeds away from the parent plant. This mechanism helps in dispersing the seeds over a wider area, increasing the chances of successful germination and survival for the species. Therefore, the statement "Oxalis species actually have seed heads that explode to disseminate seed several feet" is true.

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  • 4. 

    Bittercress is a massive seed producer and can actually produce seed within 21 days of germination.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    Bittercress is known for its ability to produce a large number of seeds in a relatively short period of time. In fact, it can start producing seeds just 21 days after germination. This rapid seed production allows bittercress to spread quickly and establish itself in new areas. Therefore, the statement that bittercress can produce seed within 21 days of germination is true.

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  • 5. 

    Controlling weeds in non-production areas should not be a major focus because most efforts should be directed towards weed control in the containers.

    • A. 

      True

    • B. 

      False

    Correct Answer
    B. False
    Explanation
    The statement suggests that controlling weeds in non-production areas should not be a major focus, as the main effort should be directed towards weed control in the containers. Therefore, the correct answer is False, indicating that controlling weeds in non-production areas should be a major focus.

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  • 6. 

    According to an Oregon State Study that compared top dressing fertilizer to other methods of fertilizer application, what impact did top dressing have on weed management?

    • A. 

      Made weed control more difficult

    • B. 

      Had no effect on weed control

    • C. 

      Made weed control easier

    Correct Answer
    A. Made weed control more difficult
    Explanation
    The Oregon State Study found that top dressing fertilizer made weed control more difficult. This means that using top dressing as a method of fertilizer application actually increased the challenges in managing weeds.

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  • 7. 

    Hand weeding is an integral part of weed management and will have to be done as regular maintenance.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    Hand weeding is considered an integral part of weed management because it involves manually removing weeds from an area. This method is often necessary for areas where mechanical or chemical weed control methods are not suitable or effective. Hand weeding allows for targeted removal of weeds, minimizing damage to desirable plants. It is also a regular maintenance practice as weeds can quickly grow and spread, so regular monitoring and removal are necessary to prevent them from competing with desired plants for resources. Therefore, the statement "Hand weeding is an integral part of weed management and will have to be done as regular maintenance" is true.

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  • 8. 

    Reusing soil can spread weed seeds but has little impact on spreading pathogens.

    • A. 

      True

    • B. 

      False

    Correct Answer
    B. False
    Explanation
    Reusing soil can actually spread both weed seeds and pathogens. While it is true that reusing soil can introduce weed seeds into the new planting area, it is also important to note that pathogens, such as bacteria, fungi, and viruses, can also be present in the soil and can be spread when the soil is reused. These pathogens can cause diseases in plants and negatively impact their growth and overall health. Therefore, reusing soil can have a significant impact on spreading pathogens.

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  • 9. 

    Sanitation practices are extremely important with Groundsel.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    Sanitation practices are extremely important with Groundsel because this plant is considered a weed and can quickly spread and overtake an area if not properly managed. Groundsel produces a large number of seeds that can easily be dispersed by wind or animals, leading to widespread infestation. By practicing good sanitation, such as removing and properly disposing of any Groundsel plants or seeds, the spread of this weed can be minimized, preventing it from becoming a major problem in an area.

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  • 10. 

    Starting off with weed free products is not that important if you utilize an effective herbicide program.

    • A. 

      True

    • B. 

      False

    Correct Answer
    B. False
    Explanation
    The given statement suggests that starting off with weed-free products is not important if you have an effective herbicide program. However, this is not true. It is crucial to begin with weed-free products because even with an effective herbicide program, starting with weeds present can lead to reduced effectiveness and increased costs. Weeds can compete with desired plants for nutrients, sunlight, and water, affecting their growth and overall health. Therefore, starting with weed-free products is essential for successful gardening or farming.

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