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The Cyst Nematodes (Hardcover, 1998 ed.)
Loot Price: R5,700
Discovery Miles 57 000
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The Cyst Nematodes (Hardcover, 1998 ed.)
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Donate to Against Period Poverty
Total price: R5,710
Discovery Miles: 57 100
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When Franklin published her book on cyst nematodes in 1951, the
cyst nematodes were already known as serious pests of brassicas,
cereals, potatoes and sugar beets. However, at that time this group
of nematode, with about 12 species, was considered tobe largely
temperate in distribu tion. Now a total of 105 species (including
those that are considered as synonyms or species inquirende by some
or all) within six genera of cyst nematodes have been described
from temperate, tropical, and subtropical regions and at least five
species are important constraints to crop produc tion in tropical
agriculture. The previous impression of localization of cyst
nematodes in the temperate region was seemingly an artifact due to
a greater concentration of nematologists in the temperate regions.
Based on my own experience of working in several Asian and African
countries, I believe that many more undescribed species are present
in the tropical countries of Asia and Africa, and probably in other
tropical regions. Most growers, extension workers, and research
managers in these regions are still not aware of the possible harm
of presence of these nematodes in their agricultural soils. The
cyst nematodes are perhaps smaller than the smallest available
computer chip but they are very well programmed to survive and pro
pagate despite severe hardships. These nematodes are very selective
in their choice of food; about 50% of known species are parasites
of plants mainly in the families Poaceae and Fabaceae."
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