To understand variation of growth traits of height(HT), diameter at breast height(DBH), volume of individual tree (VOL) and crown width(CW), 26 half-sib progenies from improved seed orchard of masson pines were planted at Xinyi. Investigation was conducted at 0.5, 1.5, and 2.5 years-old pines to study inheritance and early selection efficiency for HT, DBH, VOL and CW. The results showed that every trait studied had significant differences among families. Heritability of HT, DBH, VOL and CW was higher than 0.8, individual heritability of HT, DBH and VOL were higher than 0.4. 19 superior families were selected out under the selection ratio of 73% with the genetic gain of HT, DBH and VOL of 2.76%, 3.60% and 8.49% respectively, and VOL of 19 superior families was 55.28% higher than the primary seed orchard cultivar and 218.28% higher than common varieties.
PAN Qing-you
,
CAI Yan-ling
,
LUO Min
,
QIN Ji
,
LIU Wan-zhuan
,
ZENG Ling-hai
,
LIANG Hui-ming
,
ZHANG Qian
. Variation Analysis and Family Selection on Half-sib Progenies of Pinus massoniana[J]. Subtropical Plant Science, 2015
, 44(02)
: 110
-115
.
DOI: 10.3969/j.issn.1009-7791.2015.02.005
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