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. 2021 Sep 30;9:e12252. doi: 10.7717/peerj.12252

Table 1. The monthly turf quality and color responses of three native Poa species and three introduced cultivars of Kentucky bluegrass during the 2017 and 2018 growing seasons in Harbin, China.

Entries Two years average turfgrass quality (1–9) Two years average turf color (1–9)
May Jun Jul Aug Sept Oct May Jun Jul Aug Sept Oct
Hpp 7.5abA 7.2bB 6.8abC 6.5abC 7.0bBC 7.8aA 8.5aA 8.0aAB 7.5abB 6.8aC 7.5bB 8.2abA
Hpsi 6.4cA 6.0dA 5.4cB 5.0cB 5.5cB 6.2cA 6.5cA 6.2cA 5.5cB 5.5bB 6.6dA 6.8cA
Hpsp 7.8abA 4.0eC 1.0dC 1.0dC 4.5dC 7.0bB 8.5aA 5.0dB 1.0dC 1.0cC 8.8aA 8.6aA
Mid 8.0aA 7.8aAB 7.5aB 7.0aC 7.8aAB 8.0aA 8.5aA 8.2aA 8.0aA 7.0aB 7.8bA 8.5aA
Moo 7.2bA 7.0bcAB 6.5bBC 6.0bC 7.2bA 7.5aA 8.0bA 7.8aAB 7.5abAB 6.4abC 7.4bcB 7.8bAB
Blu 6.8bcAB 6.5cB 6.0bC 5.2cD 6.0cC 7.0bA 8.0bA 7.2bB 7.0bB 5.8bC 7.0cdB 7.5bcAB

Notes.

Note

Hpp
Poa pratensis
Hpsi
P. sibirica
Hpsp
P. sphondylodes
Mid
Midnight
Moo
Moonlight
Blu
BlueChip

Lowercase letters denote significant differences within each vertical row for dif-ferent entries (P < 0.05); upper case letters indicate significant differences within each horizontal row for different months in one entry (P < 0.05).