Key;
Laboratory;
of;
Oasis;
Eco-Agriculture;
Xinjiang;
Production;
and;
Construction;
Corps~College;
of;
Agriculture;
Shihezi;
University;
Shihezi;
832003;
P.R.;
China;
Laboratory;
of;
Biology;
and;
Genetic;
Improvement;
of;
Cotton;
in;
Huanghuaihai;
Semiarid;
Area;
Ministry;
of;
Agriculture~Cotton;
Research;
Institute;
Hebei;
Academy;
of;
Agricultural;
and;
Forestry;
Sciences;
Shijiazhuang;
050051;
P.R.;
China;
光合特性; 亲本; 生长发育阶段; 干物质积累; 净光合速率; 杂种; 棉花; 群体光合速率;