Gas Exchange and Productivity in Temperate and Droughty Years of Four Eastern, Elite Loblolly Pine Genotypes Grown in the Western Gulf Region

Table 5

Above- and belowground biomass partitioning patterns of loblolly pine genotypes at a site in North Central Louisiana in 2009.

Genotype	Foliage: branch mass	Branch: stem mass	Branch diameter (cm)	Branch angle (°)	Taproot weight (g)	Fine: total root mass	Small: total root mass
HS756	1.18^b	0.78^a	1.42^a	42.7^ab	2400^a	6.41^b	0.92^b
HS8103	1.23^ab	0.55^ab	1.24^ab	39.7^b	2100^ab	7.19^ab	1.87^a
V9	1.56^ab	0.59^ab	1.22^ab	48.1^ab	1500^b	8.87^ab	1.23^ab
V93	1.66^a	0.33^b	1.02^b	51.1^a	1700^b	12.14^a	1.78^a

For each parameter, means within a column followed by different letters are different at .