《Table 2–Effects of Se application on shoot and root dry weight (DW) accumulation in common buckwhea

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《Performance of common buckwheat(Fagopyrum esculentum M.) supplied with selenite or selenate for selenium biofortification in northeastern China》

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CK，without Se application；Se（IV），selenite；Se（VI），selenate；1/2 Se（IV+VI），combination of selenite and selenite；DAS，days after sowing.Different letters indicate significant difference（P<0.05）between the treatments.

In both study years，shoot DW showed a significant decrease under selenium application treatments 30 days after sowing（DAS30）compared to treatment without selenium supplementation（Table 2）.However，higher shoot DW accumulation was observed in the 1/2 Se（IV+VI）treatment during the growth stages of DAS60 and DAS75 in 2015 and DAS75 in 2016，respectively.The highest amount of plant DW accumulation was obtained under the 1/2 Se（IV+VI）treatment，with8.1 kg ha-1and 11.2 kg ha-1in 2015 and 2016，respectively.The trend of root DW accumulation was generally similar to that of shoot DW over time among different treatments，but no significant difference was found between Se-supplemented and control plants during the growth period in either2015 or 2016.