MANAGEMENT OF SOUTHERN ROOT-KNOT NEMATODE
Applied Research
D. Curry
County Extension Agent
University of Georgia
Baxley
Abstract
\r\n Management of the plant-parasitic nematodes is of critical importance throughout Georgia and annually costs producers more than $100 million. The southern root-knot nematode (Meloidogyne incognita) is especially important in Appling County where sandy soils and long-term cotton production allow for damaging populations of this organism to develop quickly. The objective of this study was to determine appropriate management strategies for management of M. incognita with the use of a partially resistant variety (PHY 367B2RF), a seed treatment nematicide (AVICTA Complete Cotton) and Telone II. The population of M. incognita in the field used in this study was as much as 6X the economic threshold level for the southern root-knot nematode in Georgia. Little difference was noted between damage to the PHY 367 versus PHY 375. Yield for resistant PHY 367 treated with AVICTA was 191 lb/A greater than where PHY 375 was planted. Fumigation with Telone II in conjunction with either variety resulted in a numeric reduction in root-damage and an increase in yield (413 lb/A).
\r\n
Poster has NOT been presented at any previous NACAA AM/PIC
This poster is being submitted for judging. It will be displayed at the AM/PIC if not selected as a State winner. The abstract will be published in the proceedings.
Click to view Poster
Authors: D.S. Curry, R.C. Kemerait
-
Curry, D. County Extension Agent, University of Georgia Cooperative Extension, Georgia, 31519
-
Kemerait, R. Plant Pathologist, Dept. of Plant Pathology, University of Georgia, Georgia, 31793