FRANKLINIELLA OCCIDENTALIS, F. SCHULTZEI AND F. FUSCA (THYSANOPTERA.THRIPIDAE) IN PUERTO RICO

How Predictable Are the Behavioral Responses of Insects to Herbivore Induced Changes in Plants? Responses of Two Congeneric Thrips to Induced Cotton Plants

Changes in plants following insect attack are referred to as induced responses. These responses are widely viewed as a form of defence against further insect attack. In the current study we explore whether it is possible to make generalizations about induced plant responses given the unpredictability and variability observed in insect-plant interactions. Experiments were conducted to test for c...

Puerto Rico

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Slavery in Puerto Rico

University of Puerto Rico

Weed Controi, in Puerto Rico

Sugar cane growers in Puerto Rico are faced with problems of weed control as any other farmer in the world. He is faced with increased cost of production of cane, through higher labor and material costs. When labor costs were low, much of the weed control was done by many men using machetes and other implements. As every farmer knows "weeds are plants out of place." Since beginning of farming, ...