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Infection experiments with Septoria petroselini var. apii causing late blight of celery

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Published in [Ithaca, N. Y.] .
Written in English

Subjects:

  • Celery -- Diseases and pests.

Book details:

The Physical Object
Pagination47 l.
Number of Pages47
ID Numbers
Open LibraryOL24168558M
OCLC/WorldCa63326087

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LATE BLIGHT OF CELERY (Septoria Apiicola): TIMING FUNGICIDES BASED ON ITS BIOLOGY AS PREDICTED BY IN-FIELD WEATHER STATIONS by Phil A. Phillips Background In addition to insect pest damage, celery is extremely susceptible to attack from Septoria apiicola, the causal organism of Septoria leaf spot or late blight, during extended periods of leaf wetness (Berger, ), as well as . Late blight of celery celery Subject Category: Commodities and Products see more details (Septoria petroselini var. apii) [S. apii] was widespread, causing up to per cent. infection with a loss of 10 per cent. for the State. Root rot of peas peas Subject Category: Commodities and Products. of celery include early blight (Cercospora apii), late blight (Septoria apii), Fusarium yellows (Fusarium apii and F. apii pallidum), stem rot (Rhizoctonia solani). Evaluation of parsley (Petroselinum crispum) focused to Septoria petroselini and Plasmopara petroselini causing Septoria blight and downy mildew Article (PDF Available) July with 87 .

In order to maximize resistance, whenever possible the breeder should attempt to fix both loci in homozygous dominant condition. Late blight. The foliar disease late blight is caused in celery by the fungus Septoria apiicola. It is favored by cool, moist weather. 36 The disease can be avoided in most cases by using disinfected seed. Fungicides are also available that are effective in. A. Acute - a short-lasting primary infection B. Inapparent - infection characteristic of a carrier state C. Chronic - a disease that develops slowly and lasts for months D. Primary infection - an initial illness E. Secondary infection - a long-lasting illness. Abstract. Genetic variation is commonly found in tissue cultures. Plant tissues and cells cultured in vitro do mutate with a certain frequency. These mutations, however, are not always expressed and only a few of the alterations become evident as pheno-typic and cytogenetical modifications in plants regenerated from the callus tissue (Bayliss, ; Lee and Phillips, ). The Fruits and Vegetables manual is a reference manual on diseases which attack fruits (including berries), vegetables, and nuts. The manual identifies various types of diseases which are known to invade these plants located throughout North, Central, and South America.