High genetic diversity and strong genetic structure of Strongyllodes variegatus populations in oilseed rape production areas of China

Table 2 Hierarchical analysis of molecular variance (AMOVA) in collected Strongyllodes variegatus samples from 15 populations

Source of variation	df	Sum of squares	% of variation	Fixation indices
All populations
Among populations	14	446.669	42.50
Within populations	422	599.926	57.50	F_ST = 0.425***
Three regions
Among regions	2	391.765	47.01	F_CT = 0.470***
Among populations within regions	12	54.904	3.80	F_SC = 0.072***
Within populations	422	599.926	49.18	F_ST = 0.508***
NW vs. CC
Among regions	1	124.847	33.89	F_CT = 0.339**
Among populations within regions	7	46.483	5.95	F_SC = 0.090***
Within populations	248	438.452	60.16	F_ST = 0.398***
NW vs. CE
Among regions	1	89.300	38.88	F_CT = 0.389**
Among populations within regions	7	26.418	5.11	F_SC = 0.084***
Within populations	263	265.672	56.00	F_ST = 0.440***
CC vs. CE
Among regions	1	332.830	54.95	F_CT = 0.550***
Among populations within regions	10	36.907	2.23	F_SC = 0.050***
Within populations	333	495.727	42.82	F_ST = 0.572***

AMOVA partitioned among all populations and three regions: NW region (GDQH, HZGS, ZYGS), CC region (GYSC, HZSX, AKSX, FJCQ, ESHB, LCHB) and CE region (AQAH, LAAH, HFAH, CHAH, NJJS, ZJJS)
^**P ≤ 0.001, ***P ≤ 0.0001 after 1023 permutations

ISSN: 2730-7182