WWW.POTATOGROWER.COM 49
2354-29IndustrialVentilation12h.indd 1 1/2/19 9:46 AM
Treatment Hatch (percent)
Bare soil 19.0 ± 2.9
B. juncea extract 1.9 ± 2.8
P-value 0.001
Values ± standard errors are the average of six replicates.
Percentage hatch of G. pallida eggs exposed to B. juncea seed meal
extract (2 tons per acre) in Shelly, Idaho.
Extract rate (tons/acre) Hatch (percent) Cysts per pot
Non-amended 9.6 ± 4.0 a 60.4 ± 26.8 a
0.5 0.8 ± 0.8 b 0.2 ± 0.2 b
1.0 0.6 ± 1.3 b 0 b
1.5 0.4 ± 0.5 b 0 b
2.0 0.2 ± 0.4 b 0 b
Values ± standard errors are the average of six replicates. Values within a column followed by a common
letter are not significantly different according to Tukey-Kramer test (P < 0.05).
Percentage hatch of G. pallida eggs after 2 weeks exposure to five rates of B.juncea seed meal
extract, followed by a greenhouse bioassay to assess reproduction of exposed cysts on potato.
