Effect of the trap crop, Solanum sisymbriifolium, on Globodera pallida, Globodera tabacum, and Globodera ellingtonae

Dandurand, L. M.; Zasada, I. A.; LaMondia, J. A.

Effect of the trap crop, Solanum sisymbriifolium, on Globodera pallida, Globodera tabacum, and Globodera ellingtonae

Journal of Nematology

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

By:

L. M. Dandurand, I. A. Zasada and J. A. LaMondia

Open Access

|May 2019

Figures & Tables

Influence of nematode-susceptible or resistant tobacco, Solanum ptychanthum, S_ sisymbriifolium, fallow on Globodera tabacum population change over one season in field microplots_

	2015			2016
Treatment	Pi ^a	Pf ^a	Pf/Pi ^a	Pi	Pf	Pf/Pi
Susceptible tobacco	90.6^b	193.6	2.9 a^c	64.0	173.8	2.8 a
Resistant tobacco	103.8	36.4	0.4 b	82.6	29.7	0.3 b
S. ptychanthum	nt^d	nt	nt	77.3	335.1	6.6 a
S. sisymbriifolium	91.1	10.6	0.1 c	75.6	9.3	0.2 c
Fallow	nt	nt	nt	86.4	43.4	0.56 b
P-value	0.89	0.0001	0.0001	0.86	0.0001	0.0001

Effect of Solanum sisymbriifolium on Globodera pallida egg density and viability and on subsequent reproduction on potato in 2015_

	Remaining eggs/cysts	Egg viability (%)	Progeny cyst (no./kg soil)	Encysted eggs (eggs/g soil)	Pf ^a (eggs/g soil)	Pf/Pi ^b (eggs/g soil)
Treatment	After 10 wk^c		Reproduction on potato^d
Fallow	299^e	57.0	36	196	6.9	2.8
S. sisymbriifolium	230	58.1	4	10	0.02	0.01
P-value^f	0.10	0.92	0.0001	0.0001	0.0001	0.0001

Effect of treatment (bare ground or Solanum sisymbriifolium) and termination date after treatment establishment on Globodera ellingtonae egg densities in soil at Powell Butte, Oregon in 2014 and 2015_

	Termination date (weeks after S. sisymbriifolium planting)^a
Treatment	3	6	9	12
G. ellingtonae eggs/cyst^b
2014
S. sisymbriifolium	196 a^c	98 b	69 b	nt^d
Fallow	209 a	195 a	173 a	nt
2015
S. sisymbriifolium	nt	218 b	108 c	58 d
Fallow	nt	271 a	261 a	179 b

Effect of Solanum sisymbriifolium on Globodera pallida egg density and viability and on subsequent reproduction on potato in 2016_

	Remaining eggs/cysts	Egg viability (%)	Progeny cyst (no./kg soil)	Encysted eggs (eggs/g soil)	Pf ^a (eggs/g soil)	Pf/Pi ^b (eggs/g soil)
Treatment	After 12 wk^c		Reproduction on potato^d
Fallow	162^e	71.4	20	187	3.5	1.4
S. sisymbriifolium	81	66.4	0	0	0	0
P-value^f	0.002	0.19	0.0006	0.0001	0.0001	0.0001

DOI: https://doi.org/10.21307/jofnem-2019-030 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X

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Language: English

Page range: 1 - 11

Submitted on: May 1, 2018

Published on: May 27, 2019

Published by: Society of Nematologists, Inc.

In partnership with: Paradigm Publishing Services

Publication frequency: 1 times per year

Keywords:

spp,

Potato,

Related subjects:

© 2019 L. M. Dandurand, I. A. Zasada, J. A. LaMondia, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

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