Table 1 Phenotypic variation for six quality traits in alfalfa in 3 years

2013

17.62

25.01

20.77 ± 1.33

−0.06

−0.13

0.67

10.14***

266.06***

3.29***

2014

16.66

26.73

21.29 ± 1.40

−0.01

0.32

2015

18.39

25.21

21.85 ± 1.37

0.01

-0.45

2013

16.56

32.18

24.28 ± 2.35

0.06

0.11

0.56

8.51***

2176.46***

3.49***

2014

19.65

32.52

24.63 ± 1.87

0.50

1.57

2015

16.05

25.88

20.54 ± 1.60

−0.01

0.10

2013

0.84

2.21

1.26 ± 0.20

1.36

3.62

0.79

13.79***

916.8***

2.87***

2014

0.90

2.37

1.32 ± 0.90

1.13

3.79

2015

1.08

2.14

1.51 ± 0.19

0.82

0.74

2013

1.45

2.87

2.15 ± 0.23

−0.20

0.45

0.74

6.18***

436.11***

1.6***

2014

1.46

2.90

2.14 ± 0.25

0.09

0.24

2015

1.08

2.47

1.88 ± 0.24

−0.45

0.49

2013

0.20

0.45

0.30 ± 0.04

0.60

0.88

0.76

10.15***

257.46***

2.53***

2014

0.21

0.41

0.29 ± 0.03

0.33

0.27

2015

0.19

0.40

0.27 ± 0.04

0.68

0.86

2013

0.23

0.43

0.32 ± 0.03

0.35

1.20

0.59

5.82***

401.95***

2.41***

2014

0.25

0.45

0.35 ± 0.03

0.10

0.20

2015

0.25

0.42

0.32 ± 0.03

0.32

0.17