Questions
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1. The photo shows damages collectively known as
(1pt)
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a. defoliator damage
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b. leaf folder damage
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c. whorl maggot damage
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d. Hopper burn damage
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2. What disease has these symptoms?
(1pt)
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a. leaf blast
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b. brown spot
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c. narrow brown spot
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d. dark spot
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3. What pest damage do you observe?
(1pt)
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a. dead heart
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b. leaf blast
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c. defoliator
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d. rat damage
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4. Identify the insect pest in the photo?
(1pt)
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a. rice black bug
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b. rice bug
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c. rice grain bug
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d. rice weevil
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5. What pest damage do you observe?
(1pt)
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a. rat damage
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b. hopper burn
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c. bacterial leaf streak
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d. bug burn
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6. Identify the weed.
(1pt)
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a. Ludwigia octavalbis
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b. Ludwigia hyssopifolia
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c. Ludwigia adscendens
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d. Ludwigia perennis
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7. What disease is shown in the photo?
(1pt)
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a. collar blast
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b. neck blast
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c. leaf blast
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d. node blast
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8. Identify the insect pest in the photo.
(1pt)
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a. rice black bug
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b. rice bug
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c. rice grain bug
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d. rice brown bug
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9. Identify the insect pest in the photo.
(1pt)
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a. rice bug
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b. mirid bug
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c. brown planthopper
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d. green leafhopper
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10. The photo shows __________.
(1pt)
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a. white back planthopper damage
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b. leaf folder damage
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c. white head damage
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d. Dead heart damage
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Bonus Questions
- 1. Illustrate the difference between white head and neck blast. (5.00)