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. 2017 Nov 8;12(11):e0187543. doi: 10.1371/journal.pone.0187543

Table 7. Grey relational analysis for culm lodging resistance index and culm characters.

Culm characters Grey correlation degree (p = 0.5) Ranking
Plant height 0.345 11
Length of first basal internode 0.299 13
Length of second basal internode 0.343 12
Diameter of first basal internode 0.362 9
Diameter of second basal internode 0.360 10
Wall thickness of first basal internode 0.634 1
Wall thickness of second basal internode 0.550 4
Filling degree of first basal internode 0.550 5
Filling degree of second basal internode 0.562 3
Lignin content 0.485 6
Cellulose content 0.448 7
Silicon content 0.388 8
The ratio of water-solute carbohydrates to nitrogen 0.567 2