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48 items found (Showing 1 - 10)
  1. 2001-10-20 Varroa mites (two strains of Varroa destructor), which parasitize the Western honey bee (Apis mellifera) over much of the world, can seriously weaken and even kill honey bee colonies. Some possibilities for control are discussed.  
  2. 1992-06-19 The U. S. Department of Agriculture is recommending that home gardeners use a cooking oil spray to control aphids, white flies and spider mites.Researchers claim that the oil spray is only about one-third as costly as commercial pesticides with equivalent effectiveness. Recipe for an oil and soap...  
  3. 2003-07-20 In addition to controlling termites, boric acid can be used to control cockroaches and ants.  
  4. 1997-11-19 Preliminary research done by the USDAsuggests that the smoke of grapefruit leaves may help control varroa mites, which parasitize bees.  
  5. 2003-07-20 The Strawberry Tree (Muntingia calabura), also known as Jamaica Cherry, is a multipurpose tree that quickly grows to 8 to 13 meters in height. The tree produces a small red fruit, but is largely valued for its wood. It is remarkably fast-growing for a tree having such hard wood.  
  6. 1999-07-19 The diamondback caterpillar,Plutella xylostella, (larva of amoth) is a very serious pest of cabbage and other crops. When highly fertilized collard greens (B. oleracea, Acephala Group), a related vegetable, are planted completely around a field, moths lay their eggs on the collards rather than on...  
  7. 2021-03-01 Several species of edible ferns exist around the world, ranging from the tropics to more temperate regions, and most commonly include the bracken ferns (Pteridium spp.), ostrich fern (Matteuccia struthiopteris), and the Stenochlaena spp. ferns. However, the focus of this study is on the vegetable...  
  8. 2008-07-20 Our goal from the start has been to enable members of our network to not only read about promising plants that have not been grown in the countries where they work, but to also get free trial packets of seed so they can evaluate the plants’ potentials themselves. If farmers are interested, they...  
  9. 2000-03-20 A method to protect gardens from leaf cutter ants (Atta sp.) using sweet potatoes.  
  10. 1982-05-19 Dr. Frank is known to many of you as author of several books and articles on tropical subsistence farming. He works at the Mayaguez Institute of Tropical Agriculture (USDA) in Puerto Rico. Currently his research centers around sweet potato improvement for the tropics. We recently received from...