File Details:

Questions:

1. Cyperus rotandus weed known as World Worst Weed.
2. Chenopodium album weed is narrow-leaved weed.
3. Cyprimus Carpio fish control aquatic weeds.
4. Rhizoetinia blight fungi control water hyacinth.
5. Phalaris minor is mimicry weed in wheat field.
6. Echinoehloa Colona is a noxious weed of paddy crop.
7. Bio-herbicides are hazardous to the environment.
8. Portulaca oleracea is broad-leaved weed.
9. Roundup is the common trade name of glyphosate.
10. Cynodon dictylon is a grass.
11. Define Weed. Write the harmful effects of weed.
12. Write the beneficial effects of weeds on the ecosystem with suitable examples.
13. Give the botanical name of any five weeds of the Rabi season.
14. What do you mean by reproduction of weed? Write different methods of reproduction in weeds.
15. Write the mode of action of herbicides.
16. Describe different ways of dissemination of weeds.
17. What is allelopathy? What is the role of allelopathy in agriculture?
18. What do you mean by integrated weed management? Write down its importance in agriculture.
19. What is high volume and low volume spray? Write the importance of this.
20. Write the various methods of weed control. Give a detailed account of mechanical methods of control of weeds.
21. What is herbicide resistance? How to manage herbicide resistance?
22. Write the classification of herbicide on the basis of chemicals.
23. What is bioherbicide? Write their application in agriculture.