Latin America and the Caribbean

Identification of the Causal Agent of a Foliar Disease Affecting Melons in “La Fragua” Valley in Zacapa, Guatemala

Some areas of the Motagua River valley, in the eastern Department of Zacapa in Guatemala have been continuosly planted with melon for the last 10 years, […]

  • Start Date: 1993
  • End Date: 1998
  • Project Code: Not Available
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Effect of Eight Anti-bacterial Chemicals on the In Vitro Growth of Pseudomonas syringae pv lachrymans

Angular leaf spot, caused by Pseudomonas syringae pv lachrymans (PSL) has become a serious disease threatening the production of Guatemalan melons exported to the USA. Melons […]

  • Start Date: 1993
  • End Date: 1998
  • Project Code: Not Available
  • Lead University:

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Evaluation of Phytoseiulus persimilis as Biocontrol for Tetranychid Mites in Raspberries

In Guatemala, two-spotted mites (Tetranychus sp.) represent the main arthropod pest affecting raspberries. Mite infestations are difficult to control due to the lack of satisfactory control […]

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Evaluation of Metarhizium anisopliae and Beauveria bassiana as Biological Control of Liriomyza huidobrensis in Snow Pea

Snow peas require the use of pesticides to control leafminer, which can cause cosmetic damage to the product and reduce its marketability. The tolerance level for […]

  • Start Date: 1993
  • End Date: 1998
  • Project Code: Not Available
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Development of IPM Strategies for the Control of the Pea Leafminer L. huidobrensis (Blanchard) on Snow Peas

Snow peas have recently become a very important NTAE crop in Guatemala. This crop has allowed many small farmers to become more involved in export agriculture. […]

  • Start Date: 1993
  • End Date: 1998
  • Project Code: Not Available
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Integrated Management of Snow peas (Pisum sativum) in the Guatemalan Highlands

The livelihood of more than 18,500 farmers in Guatemala’s central highlands depends on production of export pea crops. From August 1997 to May 1998 an integrated […]

  • Start Date: 1993
  • End Date: 1998
  • Project Code: Not Available
  • Lead University:

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Comparison of Snow Pea (Pisum sativum) Cultivars in Relation to Leafminer (Liriomyza huidobrensis) Infestation and Yield

Infestations by leafminer are a major concern for snow pea growers in the Guatemalan highlands. The most common cultivar found in snow pea fields, Oregon Sugar […]

  • Start Date: 1993
  • End Date: 1998
  • Project Code: Not Available
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Evaluation of Integrated Management Tactics on Leafminer Population and Yield in Snow Pea

Through this study researchers compared the individual and combined effect of the mobile sticky trap “torito”, wheat straw mulch, soil-based insecticide applications and foliar insecticide sprays […]

  • Start Date: 1993
  • End Date: 1998
  • Project Code: Not Available
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Policy Analysis and Pesticide Manual

A study was conducted of the policies affecting pesticide use in Ecuador. Nominal rates of protection (NPR’s) and equilibrium exchange rates were calculated to quantify the […]

  • Start Date: 1993
  • End Date: 1998
  • Project Code: Not Available
  • Lead University:

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Biological control of the Andean weevil Premnotrypes vorax on potato with Bacillus thuringiensis

The Andean weevil of potato (Premnotrypes vorax) is the most economically important insect pest attacking potatoes in Ecuador. It can affect 100% of the crop. With […]

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