Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Seasonal Variations in Hydrogen Cyanide Concentration of Three Lotus Species

Lulseged Gebrehiwota and Paul R. Beuselinckb

a Dep. of Agron., Univ. of Missouri, Columbia, MO 65211
b USDA-ARS, Plant Genet. Res. Unit, Columbia, MO 65211



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Fig. 1. Seasonal variation in HCN concentration of field-grown Lotus spp. Values are means of Norcen, ARS-2620, and ARS-1207. Bars having the same letter are not significantly different at P = 0.05

 


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Fig. 2. Seasonal variation in HCN concentration of Norcen, ARS-2620, and ARS-1207 grown in the field. Vertical bars represent SE among species within a season

 


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Fig. 3. Hydrogen cyanide concentration of Norcen, ARS-2620, and ARS-1207 grown in the greenhouse for 16 wk. Values are means of 2 yr. Bars having the same letter are not significantly at P = 0.05

 


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Fig. 4. Concentration of HCN in different plant components of ARS-2620 birdsfoot trefoil (BFT) grown in the field and harvested in midsummer. Values are means of 2 yr. Bars having the same letter are not significantly different at P = 0.05

 





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