Survival of Pterotylenchus Cecidogenus Following Storage in Galls of Desmodium Ovalifolium, Desiccation and Exposure To High Osmotic Pressure

Survival of Pterotylenchus Cecidogenus Following Storage in Galls of Desmodium Ovalifolium,... SURVIVAL OF PTEROTYLENCHUS CECIDOGENUS FOLLOWING STORAGE IN GALLS OF DESMODIUM OVALIFOLIUM, DESICCATION AND EXPOSURE TO HIGH OSMOTIC PRESSURE BY J. M. STANTON Centro Internacional de Agricultura Tropical (CIAT), Apartado Aéreo 6713, Cali, Colombia Galls on Desmodium ovalifolium plants caused by Pterotylenchus cecidogenus were stored in either paper (low humidity) or sealed plastic (high humidity) bags at constant 10, 24, 30 or 35°C or at temperatures fluctuating between 18 and 22°C for 4 weeks. The total number of P. cecidogenus and of females subsequently extracted was reduced by increasing temperature, fluctuating temperature and high humidity. Isolated nematodes were very intolerant of desiccation. Motili- ty of nematodes was diminished with increasing osmotic pressure and time of exposure when treated with solutions of 0, 0.1, 1.0 and 2.0 M NaCl for 6 or 24 hours. By using frequency distributions of body lengths it was shown that the fourth-stage juveniles were best able to sur- vive desiccation and high temperature in plant galls and high osmotic pressure, followed by J3 with J2 and adult females having similar ability. Keywords: plant nematodes, pastures, stem galls, nematode biology, ecology. Several species of plant parasitic nematodes, particularly those occurring above ground, are very tolerant of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

Survival of Pterotylenchus Cecidogenus Following Storage in Galls of Desmodium Ovalifolium, Desiccation and Exposure To High Osmotic Pressure

Nematologica , Volume 31 (4): 443 – Jan 1, 1985

Loading next page...
 
/lp/brill/survival-of-pterotylenchus-cecidogenus-following-storage-in-galls-of-HJ0DiIp5hZ
Publisher
BRILL
Copyright
© 1985 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
D.O.I.
10.1163/187529285X00535
Publisher site
See Article on Publisher Site

Abstract

SURVIVAL OF PTEROTYLENCHUS CECIDOGENUS FOLLOWING STORAGE IN GALLS OF DESMODIUM OVALIFOLIUM, DESICCATION AND EXPOSURE TO HIGH OSMOTIC PRESSURE BY J. M. STANTON Centro Internacional de Agricultura Tropical (CIAT), Apartado Aéreo 6713, Cali, Colombia Galls on Desmodium ovalifolium plants caused by Pterotylenchus cecidogenus were stored in either paper (low humidity) or sealed plastic (high humidity) bags at constant 10, 24, 30 or 35°C or at temperatures fluctuating between 18 and 22°C for 4 weeks. The total number of P. cecidogenus and of females subsequently extracted was reduced by increasing temperature, fluctuating temperature and high humidity. Isolated nematodes were very intolerant of desiccation. Motili- ty of nematodes was diminished with increasing osmotic pressure and time of exposure when treated with solutions of 0, 0.1, 1.0 and 2.0 M NaCl for 6 or 24 hours. By using frequency distributions of body lengths it was shown that the fourth-stage juveniles were best able to sur- vive desiccation and high temperature in plant galls and high osmotic pressure, followed by J3 with J2 and adult females having similar ability. Keywords: plant nematodes, pastures, stem galls, nematode biology, ecology. Several species of plant parasitic nematodes, particularly those occurring above ground, are very tolerant of

Journal

NematologicaBrill

Published: Jan 1, 1985

Keywords: ecology; nematode biology; stem galls; pastures; plant nematodes

There are no references for this article.

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off