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  1. Key Resource
    2019-03-21 This Technical Note provides an overview of parasitic plants of agricultural significance in Africa. Parasitic weeds cause drought stress and stunted crops. Affected plants include cereal grains (e.g., sorghum [Sorghum bicolor] and maize [Zea mays]) and grain legumes (e.g., cowpea [Vigna...
  2. 1979-01-01 160 pages, illustrated, photos
  3. 1985-01-01 The purpose of this book is to meet the need for a reference that relates the principles of weed science directly to weed control situations encountered in the field. Although the concept is simple, the objective is difficult to attain. To be successful in weed control, one must conceptualize...
  4. This review reports what has been done by whom. It imcludes articles directly related to weed-crop competition published prior to June 1978.
  5. The weeds shown in this book are arranged alphabetically by family and scientific name within famiy. For each species, the Weed Science Society of America approved family, common and scientific name is shown along with a picture. Alternative common and scientific names are listed also.
  6. The descriptions of the 90 weeds included in this publication are arranged in the order of the appearance of the weeds in the taxonomic key. Common and scientific names of the weeds are those indicated in the Composite List of Weeds published by the Weed Science Society of America.
  7. Key Resource 2000-01-20 This book, PERMACOPIA THREE; AN INVENTORY, is a study of many popular foods, plus some less known, multipurpose plants. The species in this book have been chosen for their acceptance, availability, utility, & their relative lack of rampancy. Included are species for fruit, vegetable, greens,...
  8. The parasitic weedC. campestrisis native to North America but has been introduced around the world and become a weed in many countries. It is by far the most important of the dodders, perhaps because of its wide host range. This ensures that there is a wide range of crop seeds that may be...
  9. 2007-05-25 Weeds are the pioneer plants of disturbed soils and can adversely affect the use, economic value, and aesthetic aspect of the lands and waters they infest. Knowledge of the major mechanisms of weed survival is essential for developing effective methods of weed control to maximize the use and...
  10. 2017-01-20 Both in Ethiopia and in the countries of East Africa, the continuing proliferation and spread of invasive alien species (IAS) is now recognized as a serious problem, which needs to be addressed. While this situation has improved dramatically over the past 10 years, further progress has been...