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


Zacytuj

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 90.6b 193.6 2.9 ac 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 ntd 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 wkc Reproduction on potatod
Fallow 299e 57.0 36 196 6.9 2.8
S. sisymbriifolium 230 58.1 4 10 0.02 0.01
P-valuef 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/cystb
2014
S. sisymbriifolium 196 ac 98 b 69 b ntd
 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 wkc Reproduction on potatod
Fallow 162e 71.4 20 187 3.5 1.4
S. sisymbriifolium 81 66.4 0 0 0 0
P-valuef 0.002 0.19 0.0006 0.0001 0.0001 0.0001
eISSN:
2640-396X
Język:
Angielski
Częstotliwość wydawania:
Volume Open
Dziedziny czasopisma:
Nauki biologiczne, inne