Ditylenchus

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Ditylenchus

 

a genus of roundworms, or nematodes, of the family Tylenchidae. The body is long, thin, and pointed. Adult worms are 0.8–1.5 mm long and 0.02–0.03 mm in diameter. The entire life cycle is passed in plant tissues. The most dangerous species are D. destructor, which infests potatoes, and D. dipsaci, which infests onions, garlic, parsnip, parsley, tomatoes, clover, and cereal grains. The nematodes attack bulbs, tubers, rhizomes, and stems. When the infected plant dies, the worms either drop onto the soil and search for a new host or remain in the tissues of the dead plant. The worms can be controlled by returning affected crops to their former position in the crop rotation no more often than once every three years.

REFERENCE

Kir’ianova, E. S., and E. L. Krall’. Paraziticheskie nematody raslenii imery bor’by s nimi, vol. 2. Leningrad, 1971.
References in periodicals archive ?
Fungivorous genera included Aphelenchus, Aphelenchoides, Ditylenchus, and Nothotylenchus.
There were no taxa that were unique to shifting sand dunes; the first colonisers after planting vegetation since sand dune stabilisation were Tylenchorhynchus, Nothotylenchus, Panagrolaimus, and Psilenchus; colonisers after 26 years were Acrobeloides, Acrobeles, Aphelenchoides, Cervidellus, Discolaimus, Eudorylaimus, Leptonchus, and Thorneella; colonisers in sand dunes stabilised for 43 years and 51 years were Aphelenchus, Chiloplacus, Discolaimium, Ditylenchus, Ecumenicus, Filenchus, Labronema, Miconchus, Plectus, and Rotylenchus (Fig.