Table 2

Fumigation toxicity of glucosinolate breakdowns products against the lesser grain borer in comparison with selected fumigants (exposed for 24 h).

compound

LC₅₀ (μg cm^-3)

95% FL

CO₂^*

dichlorovos

0.29

0.21–0.41

–

chloropicrin

1.3

1.20–1.42

–

allyl thiocyanate

0.55

0.50–0.60

5.1

allyl isothiocyanate

1.57

1.47–1.67

5.1

allyl cyanide

2.8

2.26–3.48

–

1-cyano-2-hydroxy-3-butene

>19.60

–

–

allyl isocyanate

2.2

2.06–2.34

10.4

hydrogen cyanide

–

–

4.2^**

control

–

–

2.7

control (HCN)

–

–

4.6^**

^* CO₂ in μg/mg body weight by B. germanica. Exposed for 1 h. ^** Done in a separate experiment.

Tsao et al. BMC Ecology 2002 2:5   doi:10.1186/1472-6785-2-5