MIQ叶面积测定及与栽培密度的关系初探-植物科学学报.PDF

2000, 18( 4) : 30230 8 J ournal of Wuha n Botanica l Resear ch ( POTAM OGE TON MALAIAN US MIQ. ) 1 2 1 蒲云海　黄运平　李　伟 ( 1 430074) ( 2 430073) , (A ) L ( A ) , : ( 1) S ( ) ; ( ) L W LS N L ( 2) , , , ( 3) , , , : Q 948. 8: A : 1000 -470X ( 2000) 04-0302-07 ESTIMATION OF LEAF AREA OF P OTAM OGE TON . MALAIAN US MIQ AND PRILIMINARY STUDY ON ITS RELATIONS WITH CULTIVATION DENSITIES 1 2 1 P u Y unhai Huang Y unping Li Wei ( 1 Laboratory of A quatic Plant B iology , Wuhan Institute of Botany , The Chinese A cademy of SciencesWu han430074) ( 2 430073) W uhan I nstitute of Science and Technology Wu han AbstractLea area (AL ) o P otamogeton malaianus M iq . in cultiv atio n w as est imated u sing reg r essio n a nd geo metric igur e itting met ho ds . T he relatio nships betw een AL and cult ivat ion density w ere inv estig ated . T he r esults w ere as ollow s : ( 1) L ea leng th lea w idt h w as the best par ameter to est imate sing le lea ar ea, w hile shoo t leng th number o leav es on the shoot co uld pr edict lea area o t he w hole sho ot . ( 2) A s cultiv ation density incr eased, lea shape became relatively long er and nar r ow er and SL A incr eased, w hile the av erag e lea area o sh