Table 1.
Percentages of live SCN J2 under different pH values over time in 30 minutes.
Fig 1.
SCN J2 responded to three sodium chemicals, 1N Na2CO3, 1N NaHCO3, and 1N NaOH at 20 μl application.
Fig 2.
RKN J2 responded to three sodium chemicals, 1N Na2CO3, 1N NaHCO3, and 1N NaOH at 20 μl application.
Fig 3.
Responses of SCN J2 to test agents at 30 minutes.
SCN J2 response to 1 μl 1N Na2CO3 at 30 minutes (A); SCN J2 response to 10 μl 1N NaHCO3 at 30minutes (B); SCN J2 in water control at 30 minutes (C); Dead SCN J2 did not response to any test agent (D); SCN J2 response to 10 μl 1N NaOH at 30 minutes (E).
Table 2.
Response of SCN J2 to 1 or 10 μl of 1N Na2CO3, 1N NaHCO3, and 1N NaOH solutions at pH = 10.
Fig 4.
Responses of RKN J2 to water and 1 μl of 1N NaOH at 30 minutes.
RKN J2 in water with normal movement at 30 minutes (A); RKN J2 exposed in 1 μl of 1N NaOH with curled and twisted body shape at 30 minutes(B).
Table 3.
Response of RKN J2 to different concentrations of 1N NaOH at pH = 10.
Fig 5.
Stained SCN J2 in the root tissues from a live SCN treatment at 21 DAI (A) and the stained roots from the dead SCN treatments with no SCN J2 or females (B).
Table 4.
SCN J2 infection of soybean roots after exposed to 1 μl 1N Na2CO3 live and dead determination.
Fig 6.
Stained RKN female with eggs in the root tissues from a live RKN treatment at 21 DAI (A) and the stained root tissues from the dead RKN treatments with no RKN J2 or females (B).
Table 5.
RKN J2 infection of soybean roots after 1 μl 1N NaOH live and dead determination.