-
19/07/1999 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...
-
19/02/1998 Kerosene Emulsifiable Concentrate is an insecticide (at times it acts as a fungicide) which has a very wide spectrum as far as dealing with various insects is concerned.
-
19/11/1997 Preliminary research done by the USDAsuggests that the smoke of grapefruit leaves may help control varroa mites, which parasitize bees.
-
19/11/1997 Two methods for controlling ticks on goats in the tropics.
-
19/03/1999 Horn flies have been controlled with insecticides in the U.S. since the early 1950s. An alternative, mechanical means of control (horn fly trap) was developed prior to World War II, but this never made its way into mainstream agriculture because of the growing use of pesticides following the war....
- Also available in:
- English (en)
- Español (es)
-
19/01/1996 Information about controlling cassava mealybug (Phenacoccus manihoti) without commercial insecticides.
-
19/06/1992 Solar heating of cowpeas for at least 45 minutes will kill weevils without affecting cooking or germination percentages.
-
19/06/1992 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...
-
18/10/2016 Cory Thede, working on the north coast of Haiti, sent a note about a local chaya plant with a lower branch that mutated to a wild stinging type. He commented, “After I backed up against it, it gave me an itchy rash on my arm for about a week. The upper branch is regular and almost spineless.” He...
- Also available in:
- Español (es)
- Français (fr)
- English (en)
-
19/01/1966 This book describes more than 350 pests that are found in middle North America. The illustrations will help identify the pest, its life stages, and the kind of damage it does. 160 pages, illustrated