Study on Aphid Density and the Relationship Between Flavonoids and Aphid Resistance of Hemerocallis L.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2013年19期

Page:

124-127

Research Field:

Publishing date:

Info

Title:

Study on Aphid Density and the Relationship Between Flavonoids and Aphid Resistance of Hemerocallis L.

Author(s):

FENG Bo¹; 2; LI Xiao-dong¹; YANG Li¹; ZHANG Jin-zheng²; LIU Shu-ying¹; SUN Guo-feng²; LIU Hong-zhang¹; LIN Qin-wen²; WANG Ying-wei²

1.College of Life Science，Jilin Agricultural University，Changchun，Jilin 130118；

2.Institute of Botany，the Chinese Academy of Sciences，Beijing 100093

Keywords:

Hemerocallis L.; Myzus hemerocallis; flavonoid

PACS:

S 682.1+9

DOI:

-

Abstract:

With 3 wild species and 84 cultivars of Hemerocallis L.as materials，the relationship between flavonoids and aphid resistance were discussed in this study.The results showed that the aphids harm to Hemerocallis were Myzus hemerocallis.Cultivars with less than 0.5 aphids/cm2 were up to 41，among of which H.fulva and H. ‘Zirong’ were no found aphids.There were significant differences in flavonoids’ composition and contents among different species and cultivars of Hemerocallis.Most of detected flavonoids had no significant correlation with the density of M.hemerocallis.Only Isorhamnetin-3-O-glucose-7-O-rhamnoside had negatively correlationship with aphid density，while Quercetin-3-O-galactoside had significantly positive correlation with aphid density.

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