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United States Department of Agriculture

Agricultural Research Service

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Location: Tropical Crops and Germplasm Research

2011 Annual Report

1a. Objectives (from AD-416)
Assess suitability and spatial distribution of hosts of Anastrepha spp. on different parts of Puerto Rico in order to evaluate the feasibility of establishing a fruit-fly free zone in Puerto Rico.

1b. Approach (from AD-416)
The locations of known and potential host plants for Anastrepha spp. fruit flies will be recorded in a geographical information system. Potential hosts will be surveyed for infestations. Known hosts will be monitored to record phenology of fruiting. Geospatial analyses will be used to describe the availability of these hosts in space and time (when are fruit available?; how far apart are hosts?). This information will be used to assess the feasibility of establishing a fruit fly-free zone in Puerto Rico.

3. Progress Report
The objectives of the agreement correspond with objective 2 of the parent project: Develop efficient and sustainable monitoring and/or control methods for key pests that limit tropical/subtropical fruit production and quality. We collected data concerning the abundance of fruit flies of economic importance in natural areas of Puerto Rico, as well as in fruit orchards. In addition, we have sampled fruit from various regions of Puerto Rico. Preliminary data suggests that there are substantial barriers to fruit fly dispersal that may be exploited in area-wide management programs for fruit flies, as well as the maintenance of a fruit fly free zone in Puerto Rico.

4. Accomplishments

Last Modified: 2/23/2016
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