SLIDE SHOW

Photo by: Ricardo Labrada

Click directly on the list below for photos of particular interest to you.

Water Hyacinth Presence in Water Bodies of Various Developing Countries

1. Water Hyacinth mat
2. Water Hyacinth infestation in a northern lake, Egypt
3. Scattered Water Hyacinth infestation in a northern lake, Egypt
4. Landing site heavily infested by Water Hyacinth, Lake Victoria, Uganda
5. Landing site heavily infested by Water Hyacinth, Lake Victoria, Uganda
6. Water Hyacinth removed at landing site, Lake Victoria, Uganda
7. An unit for rearing Neochettina weevils, Namulonge, Uganda
8. Checking Neochettina weevil infestation in a Water Hyacinth mat, Namulonge Research Station, Uganda
9. Water Hyacinth at the Owen Fall electric station, Uganda
10. Water Hyacinth removed at the electric station in Owen Fall dam, Uganda
11. Water Hyacinth infestation in Kagera river in Rusumo, Rwanda. The opposite side of the river is Tanzanian territory
12. Water Hyacinth infestation in the Nile, Egypt
13. Water Hyacinth infestation in a northern lake, Egypt
14. Water Hyacinth removed in a northern lake, Egypt
15. Fishing in site heavily infested by Water Hyacinth in a northern lake, Egypt
16. Canals infested by Water Hyacinth in Egypt
17. Infestation of Water Hyacinth in Chapala lake, Mexico
18. Slight infestation of Water Hyacinth in San Jacinto dam, Bolivia
19. Pool for rearing Neochettina weevils, San Jacinto dam, Bolivia
20. Water Hyacinth removed and used for feeding pigs, Camaguay, Cuba
21. Pools for rearing Neochettina weevils, Habana, Cuba
22. Looking for Sameodes albiguttalis in Water Hyacinth, Zaza dam, Cuba
23. Mattress done from Water Hyacinth tissues, Camaguay, Cuba
24. Pistia stratiotes infestation Yaguayay river, Cuba
25. Water Hyacinth infestation at landing site, Tano lagoon, Ghana
26. Pistia stratiotes in a dam, Kumasi, Ghana
27. Frame with Pistia stratiotes treated with Neohydronomus affinis in Kumasi,Ghana
28. Water Hyacinth in Niger river in Mali
29. Canal infested by water hyacinth in Colombo , Sri Lanka .
30. Water hyacinth mats in Pasig River , Manila , Philippines.
31. Water hyacinth mats heavily infested by Neochetina insects.
32. A China-made harvester of water hyacinth.

Water weeds

33. Grass and Cyperaceae weeds rooting on water hyacinth dense stand in Lake Kyoga, Uganda.
34. Mechanical harvesting of water hyacinth in Lake Victoria, Uganda
35. Cyperus papyrus plants rooting on water hyacinth stand, Lake Kyoga, Uganda.
36. Eichhornia azurea, the sister of water hyacinth (Eichhornia crassipes). E. azurea prevail in many areas of Pantanal, Brazil.
37. Water hyacinth in Southern part of Vietnam. Here the plant is largely used for pig feeding.
38. Pigs eating water hyacinth. Dam in Tula, Mexico.
39. Cattle eating water hyacinth. Dam in Tula, Mexico.
40. Removal of water hyacinth at Sotuba power station in Mali.
41. Removal of water hyacinth in areas closed to Sotuba power station in Mali.
42. Part of removed water hyacinth mass in Sotuba power station in Mali
43. Unit for rearing Neochetina weevils in the research station of Institut d' Econmie Rurale, Sotuba, Mali.
44. Mulching with dry water hyacinth mass in onions, Bamako, Mali.
45. Unit for rearing biocontrol agents against water weeds in the station at La Me, Côte D'Ivoire. Pools show stand of water hyacinth and water lettuce, where Neochetina and Neohydronomus affinis weevils are reared.
46. Station at La Me, Côte D'Ivoire, pools for rearing Cyrtobagous salviniae weevils for the control of water fern.
47. Salvinia molesta in Niger River, Mali.
48. Participants at the training course (March 2001) on aquatic weed control conducting sampling of water hyaconth plants infested by Neochetina weevils in Niger River, Mali. (TCP/RAF/0071).
49. Participants at the Training course on Aquatic Weed Control (TCP/RAF/0173 - Salvinia control in Senegal River).
50. Participants at the Training course (june 2001) on Aquatic weed control conducting weed survey at a site closed to Ladré (Côte D'Ivoire). (TCP/RAF/0173).
51. An unit for rearing grass carp in Egypt.
52. Lemna spp a new weed problem in Maracaibo Lake
53. Lemna spp infestation in a pond in Ghana .

Rice

54. Pre-planting grazing, a common method for weed control in Republic of Guinea.
55. Hand- weeding in rice in Nepal.
56. Red or weedy rice plant on the left and rice crop on the right. Photo taken in rice enterprise in Sanctis Spiritus province, Cuba
57. Sesbania rostrata is a promising leguminous crop for rotation in rice areas highly infested by red rice in Cuba. This rapidly growing plant is well adapted to irrigation conditions and is able to produce 40- 50 t of biomass/ha in 45 days after its germination, providing 40- 85 kg N/ha to the soil.
58. Rice area infested by red rice in rice enterprise in Sanctis Spiritus province, Cuba.
59. Field visit to Sancti Spiritus Rice Fields. (Global workshop on Red Rice Control. Varadero, Cuba).
60. FAO Regional workshop on Echinochloa Control, Beijing, May 2001.
61. Participants at the FAO Regional workshop on Echinochloa Control, Beijing, May 2001.
62. Checking the presence of weedy rice seeds in rice seeds, Uruguay.
63. A farmers group eliminating weedy rice plants before rice harvest, Uruguay
64. Farmers study weed seed bank from rice areas, Ibagué, Colombia.
65. Studying weed seed bank in rice areas, Chiriquí, Panamá.
66. Session of Farmers Field Schools on control of weedy rice, Chiriquí, Panamá.
67. Monochoria vaginalis in rice, Sri Lanka.
68. Practical session on weedy rice control, regional FAO workshop held in Guanacaste, Costa Rica, February 2004.
69. Another of the regional FAO workshop on weedy rice, Guanacaste, Costa Rica, February 2004.
70. Rice field heavily infested by weedy rice, Guanacaste, Costa Rica.
71. Women weeding in rice, Sri Lanka.
    

Potato & Vegetables

72. Wide planting distance between the plant rows is ideal for weed growth. Potato plantation in Erithrea.

Spathodea campanulata

73. Dense stand of African Tulip Tree (Spathodea campanulata) in Fiji. The tree is a serious problem to the economy of the country.
74. Cleared area infested by African Tulip Tree.

Prosopis spp. problem

75. Prosopis spp. also invades fertile areas in Yemen .
76. Prosopis spp. regrows well after cutting its stem. It is necessary to do something additional to avoid its regrowth.
77. Prosopis spp. growing in the desert.
78. Prosopis plants invading local Acacia in Yemen .
79. Manual cutting of Prosopis in Yemen , the plant is able to regrow.
80. Prosopis plants expanding in the desert.
81. Sorghum field infested by Rottboellia cochinchinensis , Chiriquí, Panamá.

Citrus & Orchards

82. Weed control in young citrus plantations, Jagüey Grande, Cuba. Rows are usually sprayed with glyphosate herbicide while in between the rows has a permanent grass sod.
83. Weed control in established citrus plantations, Jagüey Grande, Cuba.
84. Oxalis pes-caprae L. is commonly used as a cover plant in the inter-rows of citrus plantations along the southern coast of Spain. Photo courtesy of Dr Diego Gomez de Barreda.

Control of parasitic weeds

85. Inter-cropping of sorghum with cowpea provided good results against Striga infestation. Photo taken from trials in Mali.

Training on Herbicide Resistance

86. Participants to the meeting for discussion of guidelines for hazard assessment of Herbicide and Insect Resistant crops. Copenhage, Denmark.
87. Regional meeting training on Herbicide Resistance.June 29- july 3 1998 Taegu, Republic Korea

Training on Weed ecology

88. Participants to the FAO Regional Course on Weed Ecology and Competition. Bangkok, Thailand.
89. Practical session in Paddy Field Regional Course on Weed Ecology and Competition. Bangkok, Thailand.
90. Participants to the FAO Regional Course on Weed Ecology and competition for African Francophone countries. Cotonone, Benin.
91. Regional FAO Course on Weed Ecology & Interference. Amman,Jordan, September 2001.
92. Participants at the FAO Regional Training Course on Weed Ecology and Competition for English-Speaking African countries. Melkasa Research Centre, May 2001.

Improved Weed Management

93. Participants at National Training on Weed Management at Kpalimé, Togo (June 2001, TCP/TOG/0065).
94. National Training course on Weed Management at Kpalimé, Togo. (June 2001, TCP/TOG/0065).
95. Sweet potato an excellent to smoother several perennial and annual grass weeds.
96. Field heavily infested by Parthenium hystesophoms, Ethiopia.
97. Chromolaena odorata controlled with the release of the insect Paraechetes pseudoinsulata in Kumasi , Ghana.
98. Cyperus rotundus easily breaks polyethylene mulch.
99. Cynodon dactylon infestation in reclaimed areas of Egypt . The weed was brought with introduced manure in the area.

Troublesome Weeds

100. Field heavily infested by Parthenium hysterophorus, Ethiopia.