Table 2.

Pollen production data for each tree studied

1998

1999

Tree no.

cbh (cm)

Height (m)

Total flowering branches

Strobili/branch

Microsporophylls/strobilus

Strobili/tree

Microsporophylls/tree

Total number of flowering branches

Strobili/branch

Microsporophylls/strobilus

Strobili/tree

Microsporophylls/tree

Khirsu (warmer location; 1800 m asl)

1

74

15

24

56·4 ± 21·2

449·3 ± 21·1

1353·6

608·2

12

67·4 ± 15·2

410·6 ± 25·5

808·8

332·1

2

110

19

33

104·6 ± 37·5

402·5 ± 37·2

3451·8

1389·4

7

142·6 ± 45·1

472·4 ± 32·2

998·2

471·6

3

87

16

30

132·4 ± 52·6

383·6 ± 40·6

3972·0

1523·7

12

110·2 ± 24·4

417·2 ± 36·5

1322·4

551·7

4

132

25

25

172·8 ± 74·2

249·4 ± 27·5

4320·0

1077·4

Flowering totally absent

5

105

17

37

32·4 ± 7·4

506·2 ± 52·2

1198·8

606·8

Flowering totally absent

Teka (cooler location; 1900 m asl)

1

56

11

21

44·6 ± 16·4

492·2 ± 43·6

936·6

461·0

12

38·4 ± 12·9

254·7 ± 23·1

3419·2

119·0

2

80

16

47

134·6 ± 64·9

402·6 ± 13·4

6326·2

254·7

Flowering totally absent

3

125

24

20

164·8 ± 65·8

294·2 ± 29·8

3296·0

969·7

Flowering totally absent

4

91

17

51

38·2 ± 5·1

484·2 ± 43·4

1948·2

943·3

Flowering totally absent

5

175

31

23

164·6 ± 45·9

381·5 ± 140·1

3785·8

1444·3

10

156·7 ± 42·2

403·7 ± 36·2

1567·0

632·6

cbh, circumference at breast height.