Crop Protection Quiz 2 for Bachelor of Science in Agriculture Students

Crop protection quiz

1. QUIZ 1 Jolina A. Enardecido, L. Agr. Instructor CROP PROTECTION 2

2. 1. The concept to grow crops sustainably without destroying the environment and to optimize farm profit for sustainable growth led to the development of?

3. 2. The use of biological control and resistant host plants was revived, but this time it was combined with pesticides. This was then called?

4. 3. Refers to the highest amount of pest damage that would not cause any economic damage.

5. 4. Refers to the highest pest population density that would not cause any reduction on the yield.

6. 5. Refers to conservation or introduction of predators, parasites and microorganisms that suppress or attack pests.

7. 6. When the value of the damage is greater than the cost of controlling the pest, then there is?

8. 7. An approach in which you will rear and release beneficial organisms periodically, applicable to exotic and endemic pest.

9. 8. Defined as the regulation of pest populations by the environment without man’s intervention.

10. 9. According to ______ in 1966, Pest Management should be selective for the pest.

11. 10. Trichogramma evanescens is an egg parasitoid against what pest?

12. 11. Refers to a control method following country’s guidelines that are designed to prevent the spread of pests.

13. 12. Metarrhizium anisoplae or (Green Muscardine Fungus) is an entomopathogen against what pest? Give only 1.

14. 13. The use of Host Plant Resistance is under what control methods?

15. 14. A control method that involves a variety of practices like land preparation, fertilizer/nutrient management, water management, tillage and cultivation.

16. 15. This is known as the Plant Quarantine Law of the Philippines in June 10,1978.

17. 16. In 1939, there is a recognition of insecticidal properties of what chemical?

18. 17. Grape Phylloxera ( Viteus vitifoliae ) and powdery mildew controlled in French vineyards is by the introduction of what? Give only 1 answer.

19. 18. Predatory ants ( Oecophylla smaragdina ) were set up in citrus groves with bamboo bridges to move between trees to control what pest/s?

20. 19. In 1944, first hormone-based herbicide that was made available is named?

21. 20. Potato blight ( Phytophthora infestans ) outbreak in Ireland, England and Belgium leads to what event?

22. 21. In 1970’s, there was widespread banning of what chemical?

23. 22. First major success with imported biological control agents is the coccinellid beetle named what?

24. 23. In 1962, Rachel Carson Publish the book entitled?

25. 24. In Sweden 1946, the First report of insect resistance to DDT is on what insect?

26. 25. In Hawaii 1901, the first successful biological control of a weed is reported in what weed?

27. 26. In 400 AD Ko Hung-an alchemist recommended a root application of what chemical compound to protect against insect pests?

28. 27. In 4700 BC, Silkworm culture in is recorded in what country?

29. 28. What year is Organic standards was developed by USDA?

30. 29. Refers to the lowest pest population density that will cause economic damage.

31. 30. It is the pest population density at which control action should be determined (initiated).