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Comprehensive Evaluation of Flax Varieties with High α-Linolenic Acid in Hebei

QIAO Hai-ming;MI Jun;MI Ya-li;ZHANG Li-xia;Zhangjiakou Academy of Agricultural Sciences of Hebei;  
In order to select the flax varieties with high α-linolenic acid,15 flax varieties originated from home and broad were chosen to study on yield,economic characters,resistance and quality-identification under natural drought condition.The result showed the yield of Ty-21 was the highest,which was 4366.7kg / hm2,0.77% higher than CK.Longya-8( CK) ranked the second,which was 4333.4 kg / hm2.Other 13 flax varieties' yield were between 2200.0 kg / hm2to 3966.7 kg / hm2,all lower than CK with the reduction rate of 8.46-49.23%.The α-linolenic acid content of the 15 varieties were between 55.32% to 60.97%,and the control Longya 8 was 55.95%,lower than 12 flax varieties,and 3 varieties( Shandanbai,Linxiabai and 266) were over 60%.The α-linolenic acid content of Ty-21 was 59.59%,3.65% higher than CK.Ty-21 was the excellent variety according to its comprehensive characters of yield,quality and resistance.
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