Group Title: Research report (North Florida Research and Education Center (Quincy, Fla.))
Title: Evaluation of temik 15G, telone II, Vapam and product combinations to manage meliodogyne arenaria in peanut.
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Permanent Link: http://ufdc.ufl.edu/UF00066136/00001
 Material Information
Title: Evaluation of temik 15G, telone II, Vapam and product combinations to manage meliodogyne arenaria in peanut.
Series Title: Research report (North Florida Research and Education Center (Quincy, Fla.))
Physical Description: 4 leaves : ; 28 cm.
Language: English
Creator: Rich, J. R ( Jimmy Ray ), 1950-
Gorbet, Daniel W ( Daniel Wayne ), 1942-
Barber, Stacey K
North Florida Research and Education Center (Quincy, Fla.)
Publisher: North Florida Research and Education Center
Place of Publication: Quincy Fla
Publication Date: 1996
 Subjects
Subject: Peanuts -- Florida   ( lcsh )
Meloidogyne arenaria   ( lcsh )
Genre: non-fiction   ( marcgt )
 Notes
Statement of Responsibility: Jimmy R. Rich, Daniel Gorbet, and Stacey K. Barber.
General Note: Cover title.
 Record Information
Bibliographic ID: UF00066136
Volume ID: VID00001
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 71188715

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iarston Science
Library

MrAR 19 799

University of Florida









EVALUATION OF TEMIK 15G, TELONE H, VAPAM AND PRODUCT
COMBINATIONS TO MANAGE MELOIDOGYNE ARENARIA IN PEANUT



NFREC Research Report: 96.7


Jimmy R. Rich
University of Florida
Route 3 Box 4370
Quincy, FL 32351


Daniel Gorbet
University of Florida
3925 Highway 71
Marianna, FL 32446


Stacey K. Barber
University of Florida
Route 3 Box 4370
Quincy FL 32351









New Nematicide 1995

The trial reported herein was conducted to evaluate the effectiveness of a new

nematicide, ABG 9017, from Abbott Laboratories to control Meloidogyne arenaria in

peanut.

Materials and Methods

A field trial was conducted in a Chipola sandy loam soil infested with the peanut

root-knot nematode, Meloidogyne arenaria. The site was located on the John King farm

near Greenwood, Florida and was cropped in peanut in 1993 and clean-fallowed in 1994.

The field was prepared by moldboard plowing and discing prior to treatment applications.

Application of nematicides and planting of peanut "Southern Runner" was made on May

22, 1995. ABG 9017 was applied in the equivalent of 50 gallons of water per acre in a 18"

band with a PTO driven spray unit prior to planting. Temik 15 G was applied with a

Gandy granular applicator in a modified infurrow 8" band treatment at planting. Plot

rows were 36" wide and were 2 rows x 20' long. Treatments were placed in a randomized

complete block design and replicated 6 times.

Plants were observed for phytotoxicity early in the season and mechanically

harvested on October 18, 154 days after planting. Peanuts from individual plots were force

air-dried to 10% moisture, weights recorded and converted to lbs./A. A visual pod index

rating was made on a 1-5 scale with 5 representing the highest degree of browning and nut

galling. Five soil cores (1" diam.) were taken from each plot on November 11 and

composite. Nematodes from 100 cm3 subsamples were extracted by a modified

centrifugation-floatation technique and counted.









Results

No phytotoxicity was observed with the chemical treatments. Temik 15 G and the

ABG 9017 at 100 lbs. a.i./A produced highest yield and yields were significantly higher than

the control. Yield of the ABG 9017 at 50 lbs. a.i./A was not significantly different from

the control or the ABG 9017 at 100 lbs. a.i./A. No significant differences in pod index

ratings were observed among treatments. The index, however, was moderately low in all

treatments. Number of nematodes at harvest were not significantly different among

treatments.

Discussion

Peanut yield was low due to alternating wet-dry conditions and very high

temperatures during the growing season. Additionally, a high and uniform population of

the peanut root-knot nematode was present at the site. However, both the Temik 15 G and

the ABG 9017 at 100 lbs. a.i./A significantly improved yield of peanut and the ABG 9017

at 50 lbs. a.i./A numerically improved yield. These data indicate the potential use of ABG

9017 for nematode management in peanut production. It is suggested that both an at-

planting and pegging-time treatment be tested with ABG 9017 to further enhance its

nematicidal activity and increase yield of peanut. These applications are standard with

Temik 15 G and have shown to be beneficial due to long growing season of this crop

(120 160 days).


A I I









Table 1. Influence of two nematicides on yield, pod quality and number of Meloidogyne


arenaria in peanut field trial, 1995.


Treatment

Temik 15 G

ABG 9017

ABG 9017

Thimet 15 G

LSD (P < 0.05)


Rate
a.i./A

20

100

50


Application
Method

8" Band

18" Band

18" Band


Yield
lbs./A

2190

1955

1816

1636

307


Pod
Index

2.8

3.2

3.2

2.8

1.2


No. Nematodes/
100 cm3 soil

1051

1092

842

878

310


'Temik 15 G was applied as a modified 8" wide in furrow treatment while the ABG was


applied prior to planting in 50 gal. of water/A.




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