PARASITISM

WHAT IS PARASITISM. Definition of parasitism, Parasitism is a feeding relationship or association between two organisms, in which the parasite live in or on the body of the host, deriving benefit from and causes harm to it while the host loses in the process

feeding mechanisms in holozoic organisms

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English Conversation About COLLEGE LIFE - FINDING A CLASSROOM

In other words, parasitism is a close association between two organisms in which one, known as the PARASITE, lives on or in and feeds on the expense of the other known as the HOST. The parasite benefits from the association while the host suffers

Typical examples of parasitism are

1.

MAN AND THE TAPEWORM

The tape worm is a parasite that lives in the small intestine of man, where it derives the benefits of a habitat, protection and food. The man who s the host suffers because he loses to the tape worm parts of the food he has eaten and digested

2.

MISTLETOE AND FLOWERING PLAN

The mistletoe is a plant parasite that lives on other larger flowering plants. The mistletoe benefits because the host gives its support and raises it to a position from which it can receive sunlight. The parasite also derives water and mineral salts from the host while the host suffers harm by losing to the parasite part of the water and mineral salts that it has absorbed

FUNGAL PARASITES OF HOST PLANTS INCLUDE

  1. Ustilago on maize
  2. Puccinia on maize, wheat or barley
  3. Phytophthora palmivora on cocoa
  4. Phytophthora infestans on tomato/potato
  5. Alternario on tomato

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WEED AND THEIR BOTANICAL NAMES
1. ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION
2. DISEASES
3. 52. SOIL MICRO-ORGANISMS
4. ORGANIC MANURING
5. FARM YARD MANURE
6. HUMUS
7. COMPOST
8. CROP ROTATION
9. GRAZING AND OVER GRAZING
10. IRRIGATION AND DRAINAGE
11. IRRIGATION SYSTEMS
12. ORGANIC MANURING
13. FARM YARD MANURE
14. HUMUS
15. COMPOST
16. CROP ROTATION

  1. IRRIGATION AND DRAINAGE
    19. IRRIGATION SYSTEMS
    20. INCUBATORS
    21. MILKING MACHINE
    22. SIMPLE FARM TOOLS
    23. AGRICULTURAL MECHANIZATION
    24. THE CONCEPT OF MECHANIZATION
    25. PROBLEMS OF MECHANIZATION
    26. SURVEYING AND PLANNING OF FARMSTEAD
    27. IMPORTANCE OF FARM SURVEY
    28. SURVEY EQUIPMENT
    29. PRINCIPLES OF FARM OUTLAY
    30. SUMMARY OF FARM SURVEYING
    31. CROP HUSBANDRY PRACTICES
    32. PESTS AND DISEASE OF MAIZE- ZEA MAYS
    33. CULTIVATION OF MAIZE CROP
    34. OIL PALM
    35. USES OF PALM OIL
    36. MAINTENANCE OF PALM PLANTATION
    37. COCOA

38.
39. PROCESSES IN COCOA CULTIVATION
HOLING AND LINING
40. YAM
41. LAND PREPARATION FOR YAM
42. DEPT OF PLANTING
43. SPACING OF YAM
44. PLANTING DEPT OF YAM
45. STORAGE OF YAM
46. STAKING OF YAM
47. HARVESTING OF YAM
48. COWPEA
JUTE
49. FORAGE CROP AND PASTURE
50. FORAGE GRASSES
51. SILAGE
52. PASTURE
53. TYPES OF PASTURE
COMMON GRASSES AND LEGUMES
54. GRASSES
55. LEGUMES
56. ESTABLISHMENT OF PASTURES
57. 201. FORAGE PRESERVATION
58. HAY SILAGE
59. FORESTRY IMPORTANCE OF FORESTRY 206. FOREST MANAGEMENT FOREST REGULATION DEFORESTATION AFFORESTATION
60. DISEASES AND PESTS OF CROPS
61. MAIZE SMUT
62. RICE BLAST
63. MAIZE RUST
64. LEAF SPOT OF GROUNDNUT
65. COW-PEA MOSAIC
66. COCOA BLACK POD DISEASE

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