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  • Author or Editor: M. L. Vamosy x
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Abstract

A market-based farming systems research approach was used to analyze the vegetable production system for direct-to-consumer retail and wholesale marketing at the Dallas Farmers’ Market. The majority of farms produced 3–10 different vegetables for a harvest and marketing season of 4 months or more per year, irrespective of their size of operation or status as a full or part-time farmer. Watermelon, cantaloupe, sweet potato, squash, tomato, and southern pea were most commonly produced. Extensive use of leased land supported the production system by allowing land rotation or specific soil type selection. From this survey, a profile of the typical production unit was developed for use in research and extension.

Open Access

Inbreds and hybrid cabbage (Brassica oleracea var. capitata) selected for resistance to diamondback moth (DBM, Plutella xylostella L.) were tested in the field in New York and Honduras for resistance. In New York, plants were inocrdated with up to 400 eggs per plant to enhance the severity of the tests. In Honduras, where natural populations of DBM were high, especially in the dry season, there were three distinct classes of susceptibility to DBM: the very susceptible controls or standard cultivars, the highly resistant glossy-leaved lines, and the intermediate selections with normal leaf bloom. Some normal-leaf hybrids were more resistant than either of their parents, which indicates the need to select for specific combining ability for high resistance levels. At maturity, the glossy-leaved hybrids produced marketable crops with: out aid of chemical sprays.

Free access