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２２个马尾松高产脂无性系的叶绿素含量与产脂力关系的研究结果表明：叶绿素含量与产脂力具有密切的关系，经过１６个回归方程拟合，叶绿素（ａ＋ｂ）与马尾松日产脂量、１０ｃｍ侧沟产脂量、校正产脂量的最优回归方程分别为：（１）Ｙ＝（－６５２．９０１＋９０１．６８５Ｘ）／Ｘ，相关系数ｒ＝０．８５１；（２）Ｙ－（－７４．００６＋９６．３９１Ｘ）／Ｘ，ｒ＝０．７７５；（３）Ｙ－（－４７０．２８８＋６２３．９９６Ｘ）／Ｘ，ｒ＝０．６６８
The results of the relationship between chlorophyll content and fat-producing capacity of 22 Pinus massoniana high-yielding clones showed that there was a close relationship between chlorophyll content and fat-producing capacity. After fitting 16 regression equations, chlorophyll (a + b) , The optimal regression equation of fat production and correction of fat production in 10 cm lateral groove were as follows: (1) Y = (-652.901 + 901.685X) / X, correlation coefficient r = 0.851; (2) -74.006 + 96.391X) /X,r=0.775; (3) Y - (- 470.288 + 623.996X) /X,r=0.668