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Fluensulfone and 1,3-dichloroprene for plant-parasitic nematode management in potato production Cover

Fluensulfone and 1,3-dichloroprene for plant-parasitic nematode management in potato production

Journal of Nematology
Volume 51 (2019): Issue 1 (January 2019)
By: ,   and    
Open Access
|Jul 2019
Figures & tables

Figures & Tables

Table 1.

Nematicide application treatment rates and application methods.

Treatment numberProductActive ingredientTotal product rate (l/ha)Active ingredient rate (kg a.i./ha)Application method
1NimitzFluensulfone2.921.40Boom-applied, chopper-incorporated to 15 cm
2NimitzFluensulfone4.111.96Boom-applied, chopper-incorporated to 15 cm
3NimitzFluensulfone5.872.80Boom-applied, chopper-incorporated to 15 cm
4NimitzFluensulfone8.203.92Boom-applied, chopper-incorporated to 15 cm
5Telone II1,3-dichloropropene60.90–Injected 25 cm deep, 1 shank per bed (102 cm wide)
6Untreated control
Table 2.

Schedule for data collection and trial maintenance from 2016 to 2018.

Task201620172018
Pre-plant soil samplesJanuary 25January 3January 10
Nematicides appliedJanuary 25January 3 to 4January 10
Potatoes plantedFebruary 15January 19February 6
Harvest soil samplesMay 31May 2May 7
Potatoes harvestedMay 31May 2May 23 to 24
Table 3.

Rainfall, soil, and air temperature at trial site before and after nematicide application in 2016, 2017, and 2018.

201620172018
Temperature (C)Temperature (C)Temperature (C)
Time perioda Rainfallb Soilc Aird RainfallSoilAirRainfallSoilAir
4 WBA2.2921.119.90.0018.315.60.0015.715.1
3 WBA0.6117.013.30.6919.117.10.1518.016.8
2 WBA2.4615.511.30.0818.216.60.1814.99.6
1 WBA2.1313.48.30.2518.317.23.7311.27.5
Day nematicide applied0.0012.08.90.0019.619.01.6515.918.5
1 WAA2.6715.014.62.1616.311.61.4514.511.6
2 WAA7.2415.914.60.0817.818.20.5313.111.6
3 WAA0.0013.211.60.0818.618.48.9415.014.3
4 WAA2.5115.915.50.0016.812.40.3015.015.1

1 Note: aWeeks before nematicide application (WBA) or weeks after nematicide application (WAA); brainfall (cm) measured at 2 m; csoil temperature at 10 cm below soil surface; dair temperature at 60 cm

Figure 1:

Sting nematode (Belonolaimus longicaudatus) abundance as affected by nematicide treatments. The abbreviations Fluen. and 1,3-D denote fluenosulfone (Nimitz EC) and 1,3-dichloropropene nematicide applications, respectively. Different letters indicate significantly different means based on Fisher’s protected LSD at α = 0.05. Bars represent means of six replicates.

Figure 2:

Stubby-root nematode (Paratrichodorus sp.) abundance as affected by nematicide treatments. The abbreviations Fluen. and 1,3-D denote fluenosulfone (Nimitz EC) and 1,3-dichloropropene nematicide applications, respectively. Different letters indicate significantly different means based on Fisher’s protected LSD at α = 0.05. Bars represent means of six replicates.

Figure 3:

Lesion nematode (Pratylenchus sp.) abundance as affected by nematicide treatments. The abbreviations Fluen. and 1,3-D denote fluenosulfone (Nimitz EC) and 1,3-dichloropropene nematicide applications, respectively. Different letters indicate significantly different means based on Fisher’s protected LSD at α = 0.05. Bars represent means of six replicates.

Figure 4:

Marketable potato yield (excluding culls) as affected by nematicide treatments in 2016, 2017, and 2018. The abbreviations Fluen. and 1,3-D denote fluensulfone (Nimitz EC) and 1,3-dichloropropene nematicide applications, respectively. Different letters indicate significantly different means based on Fisher’s protected LSD at α = 0.05. Bars represent means of six replicates.

Table 4.

Marketable potato tuber yield (kg/ha) by grade as affected by nematicide treatments.a

GradeCb BA1A2A3A123
Nematicide treatment2016
 Fluensulfone 3 l/ha5471,0957,174 ab441 b2207,835 ab
 Fluensulfone 4 l/ha5471,1666,563 ab1,223 ab1927,977 ab
 Fluensulfone 6 l/ha5761,1807,551 a1,849 a09,399 a
 Fluensulfone 8 l/ha7041,3157,985 a1,130 ab509,165 a
 1,3-dichloropropene 61 l/ha5971,2308,418 a1,969 a4310,430 a
 Untreated control6619394,721 b242 b04,963 b
Nematicide treatment2017
 Fluensulfone 3 l/ha5941,2998,774 ab2,167 ab1,275 ab12,216 ab
 Fluensulfone 4 l/ha6791,5059,665 a2,842 a1,851 a14,357 a
 Fluensulfone 6 l/ha7711,2449,503 a1,353 bc1,706 a12,562 ab
 Fluensulfone 8 l/ha5409977,648 abc1,079 c1,285 ab10,011 bc
 1,3-dichloropropene 61 l/ha7121,3136,029 c1,613 bc634 bc8,276 c
 Untreated control4921,2396,611 bc1,359 bc467 c8,437 c
Nematicide treatment2018
 Fluensulfone 3 l/ha3,2356,143 a7,160 a5333138,006 a
 Fluensulfone 4 l/ha3,4275,567 ab7,430 a6752848,383 a
 Fluensulfone 6 l/ha3,2635,610 ab6,051 ab6331146,797 ab
 Fluensulfone 8 l/ha3,2145,524 ab6,079 ab3981146,591 ab
 1,3-dichloropropene 61 l/ha3,6475,809 ab8,006 a6262778,909 a
 Untreated control3,5124,494 b3,868 b100434,010 b

1 Note: aDifferent letters in the same column indicate significantly different means based on Fisher’s protected LSD at α = 0.05; btuber grades of C, B, A1, A2, and A3 include harvest potatoes with diameters of 1.3 to 3.7, 3.8 to 4.7, 4.8 to 6.3, 6.4 to 8.3, and 8.4 to 10.2 cm respectively. A123 is total yield for grades A1, A2, and A3 combined.

Table 5.

Cull potato tuber weight (kg/ha) by category as affected by nematicide treatments.a

TotalRottedGreenGrowth crackMisshapen
Nematicide treatment2016
 Fluensulfone 3 l/ha6,1006,100000
 Fluensulfone 4 l/ha6,1576,157000
 Fluensulfone 6 l/ha6,7196,719000
 Fluensulfone 8 l/ha6,3856,385000
 1,3-dichloropropene 61 l/ha7,2667,266000
 Untreated control5,0915,091000
Nematicide treatment2017
 Fluensulfone 3 l/ha4,6391,7791,024930907
 Fluensulfone 4 l/ha4,0011,6421,246759352
 Fluensulfone 6 l/ha3,5041,397855444807
 Fluensulfone 8 l/ha2,945851821675597
 1,3-dichloropropene 61 l/ha3,2711,679542430619
 Untreated control2,601880787553382
Nematicide treatment2018
 Fluensulfone 3 l/ha1,5221,159 ab6478228 c
 Fluensulfone 4 l/ha1,237761 b206107164 c
 Fluensulfone 6 l/ha2,1901,379 ab22078519 ab
 Fluensulfone 8 l/ha1,586946 ab26385313 bc
 1,3-dichloropropene 61 l/ha2,4811,529 a185107654 a
 Untreated control1,436825 b19936377 bc

1 Note: aDifferent letters in the same column indicate significantly different means based on Fisher’s protected LSD at α = 0.05.

DOI: https://doi.org/10.21307/jofnem-2019-038 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X
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Language: English
Page range: 1 - 12
Submitted on: Jan 18, 2019
Published on: Jul 23, 2019
Published by: Society of Nematologists, Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
Potato,
Solanum tuberosum ,
Sting nematode,
Belonolaimus longicaudatus ,
Lesion nematode,
Pratylenchus ,
Stubby-root nematode,
Fluensulfone,
1,3-dichloropropene,
Nematicide,
Nematode management
Related subjects:
Life sciences,
Life sciences, other

© 2019 Zane J. Grabau, Joseph W. Noling, Pablo A. Navia Gine, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 51 (2019): Issue 1 (January 2019)
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