Table 16 : Productivity of some indigenous and exotic grasses: biomass at the end of the growing season in dry matter ton per hectare.

Species

Ecotypes or Orstom cultivars

DM (t/ha)

Means

Standard deviation

Years

1980

1981

1982

1983

1984

1985

1986

Indigenous species

                   

Andropogon gayanus 

Wakwa

05.92

07.68

08.79

07.65

07.11

04.50

05.85

06.79

01.44

Andropogon gayanus

Faro 

07.63

05.05

13.20

12.99

10.50

04.34

05.80

08.50

03.73

Brachiaria brizantha

 

03.49

03.46

2.96

05.01

08.35

6.65

07.05

05.28

02.10

Hyparrhenia rufa

 

08.33

06.41

11.72

10.46

12.50

9.80

10.10

09.90

02.05

Melinis tenuissima

 

07.34

07.42

10.94

04.83

08.69

07.80

08.10

07.87

01.82

Exotic species

                   

Pennisetum purpureum 

Kizozi

01.73

0.87

17.88

10.09

03.20

04.50

04.67

06.14

05.97

Tripsacum laxum

 

01.77

02.64

09.13

10.79

07.68

01.70

03.31

05.29

03.80

Brachiaria ruziziensis

 

03.56

04.04

2.64

3.83

5.64

02.32

03.50

03.65

01.08

Panicum maximum

Bamenca

06.57

01.57

21.53

18.04

08.74

02.94

04.10

09.07

07.75

Panicum maximum

Bambui

01.76

02.27

13.13

13.12

06.83

01.84

02.80

05.96

05.19

Panicum maximum

Makueni

04.67

03.48

15.00

17.79

06.92

04.79

13.00

03.38

05.77

Panicum maximum

Shika

07.54

4.60

12.96

15.84

6.61

04.27

08.05

08.55

04.31

Panicum maximum

Trichoglume

01.67

-

07.42

10.18

-

-

-

-

-

Panicum maximum

Coloniao

6.80

3.63

12.20

12.49

7.81

05.33

04.42

07.52

03.58

Panicum maximum

Killo

02.56

-

08.37

05.51

05.47

1.60

05.52

-

-

Panicum maximum

K 187 a

04.59

03.96

16.38

21.81

13.97

04.15

07.98

10.41

07.06

Panicum maximum

K 187 b

04.88

02.68

13.69

10.97

21.68

02.35

04.93

08.74

07.12

Panicum maximum

K 184

04.94

02.78

07.41

06.00

24.96

02.50

05.31

07.70

07.80

Panicum maximum

K 160

02.52

0.92

07.29

06.06

09.74

-

-

-

-

Panicum maximum

K 89 a

01.69

01.62

04.38

11.40

06.75

01.10

02.68

04.23

03.72

Panicum maximum

K 89 B

05.01

03.11

10.78

14.33

10.41

04.29

1.80

07.10

04.71

Panicum maximum

K 211

03.03

03.06

06.20

09.55

07.30

06.02

04.51

05.67

02.35

Panicum maximum

G 23 a

03.42

02.12

07.93

08.12

07.15

01.09

02.65

04.64

02.99

Panicum maximum

G 23b

04.22

01.64

11.14

04.17

07.55

02.10

03.45

04.89

03.35

Panicum maximum

G17

03.09

01.38

05.22

10.07

2.79

04.51

02.38

04.21

02.89