Table 2 Partial Eta squared (η2) values for the individual and interactive effects of planting dates (P) and genotypes (G) on seedling, vegetative, morphology, and yield-related parameters of diverse sorghum lines with variable tolerance to early-season low temperatures, evaluated across three planting dates in West Texas.

From: Seed-to-seed early-season cold resiliency in sorghum

 

Seedling

Plant morphology

Yield related

FGP

VGR

SBM

SCC

ACC

DTA

NOL

HGT

BST

NDT

SDM

PDL

PNL

PNW

PNA

VBM

TBM

PWT

pHI

GRY

P

47a

60

91

87

5

94

53

16

63

28

32

0

8

46

37

40

45

23

54

47

G

33

41

30

49

55

70

90

91

61

43

63

26

80

56

63

48

57

57

33

42

P * G

24

16

36

23

13

55

61

32

36

24

29

15

38

31

38

20

36

46

20

34

Means

75

2.5

3.3

377

638

69

16

129

0.8

0.5

1.8

8.6

29

5.4

158

69

142

73

0.39

4.5

S.E

5.01

.13

.17

15.2

20.1

4.6

1.05

11.1

.02

.02

.12

1.5

3.3

.47

8.7

3.4

12.2

5.2

.04

.12

  1. Values are expressed in percentages as proportion of variance in the assessed characteristics explained by the treatments.
  2. P planting date, G genotype, FGP (%) final germination percent, VGR vigor rating, SBM (g) 30-days old seedling dry biomass, SCC (µmolm−2) 30-days old seedling chlorophyll content, ACC (µmolm−2) anthesis chlorophyll content, DTA (days) growing degree days to anthesis, NOL number of leaves, HGT (cm) plant height, BST basal tillers, NDT nodal tillers, SDM (cm) stem diameter, PDL (cm) peduncle length, PNL (cm) panicle length, PNW (cm) panicle width, PNA (cm2) panicle area, VBM (g) vegetative aboveground dry biomass, TBM (g) total aboveground dry biomass, PWT (g) panicle weight, pHI panicle harvest index, GRY (ton/ha) grain yield, SE standard error.
  3. aIndicates using Cohen, 1988, η2 ≤ 1% is considered small effect; 0.01 ≤ η2 ≤ 6% is considered medium effect; and η2 ≥ 14% is considered a large effect.
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