The World's Worst Weeds: Distribution and BiologyEast-West Center, 1977 - 609 páginas For each of the important weed species we have attempted in these pages to present a summary of the world distribution, the known biology, and the agricultural importance. A line drawing and a description is included for each species, as well as a list of common names used in the countries where the weed is troublesome. |
Contenido
Introduction | 3 |
Cynodon dactylon L Pers | 26 |
Echinochloa crusgalli L Beauv | 33 |
Derechos de autor | |
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Términos y frases comunes
achene AGRICULTURAL IMPORTANCE annual areas arvensis Asia Australia basal BIOLOGY bracts Brazil buds Canada cereals Ceylon cm long coffee Colombia Colored blocks signify COMMON NAMES common weed convolvulus cordata corn cotton crops 1 crop crops FIGURE crusgalli culms cultivated Cynodon dactylon Cyperus rotundus distribution dormancy eastern Africa Echinochloa Echinochloa crusgalli Eleusine indica emerge English fields flower fruit germination glume grow grown growth hairs hairy Hawaii hectare herbicides important weeds India Indonesia inflorescence Japan Kenya leaf leaves ligule Malaysia Mexico moisture nodes pastures peanuts percent perennial grass Philippines photoperiod pineapples plant POACEAE poisonous potatoes principal weed produced repens reported rhizomes rice root season seed germination seedlings serious or principal serious weed sheaths shoots smooth soil sorghum South Africa Soviet Union soybeans species spikelet spread stamens stems Striga sugar beets sugarcane surface Taiwan temperatures Thailand tion tropics tubers United vegetables wheat wide world in countries Zealand