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76 items found (Showing 1 - 10)
  1. Key Resource Despite the incredible diversity of useful plants that exist, a small handful of crops feed the majority of the world and millions of people still suffer from malnutrition and poverty. This talk will discuss some often overlooked crops that have the potential to alleviate suffering through...  
  2. 2015-01-20 Sorghum is primarily self-pollinated, meaning that a sorghum plant will accept pollen from its own flowers. Sorghum can also accept pollen from other sorghum plants (cross-pollination) by means of wind or insect transfer. Cultivated sorghum is generally cross-pollinated between 2 and 10%, with...  
  3. 2010-10-20 Photos of the modified seed dryer described in EDN 109  
  4. 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.  
  5. 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...  
  6. 2003-07-20 In addition to controlling termites, boric acid can be used to control cockroaches and ants.  
  7. 1997-11-19 Preliminary research done by the USDAsuggests that the smoke of grapefruit leaves may help control varroa mites, which parasitize bees.  
  8. 2004-04-20 Poor crop establishment is common in developing countries. However, plants can be given a head start if they are able to germinate and emerge quickly. One way to minimize the time that seeds spend absorbing water from the soil is to soak the seeds in water before sowing them.  
  9. 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.  
  10. 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...