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《Journal of South China Agricultural University》 2009-01
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Structure and Dynamics of Quadrastichus erythrinae Galls on Erythrina variegata var. orientalis Leaf

DENG Xiao-shao,ZENG Ling,LU Yong-yue(Lab of Insect Ecology,South China Agricultural University,Guangzhou 510642,China)  
Structure and dynamics of different parts proportion of erythrina gall wasp,Quadrastichus erythrinae Kim,galls on Erythrina variegata var.orientalis(L.) Merr.mature leaves were studied by dissection and determined by micrometer.The gall included three parts of the surrounding structure,kernel,marrow and lumen.The length,width and height of the gall were 4.13,3.59 and 3.49 mm,the volume was 29.000 mm3;The length,width and height of the keynel were 2.630,2.500 and 2.810 mm,the volume was 12.400 mm3;The length,width and height of the lumen were 0.826,0.824 and 2.160 mm,the volume was 0.825 mm3.Volumes of kernel and lumen increased when the gall grew up and the proportion of two parts in the gall were not constant.The proportion of the kernel augmented rapidly firstly,later the speed of augmentation decreased untill zero and the propotion of lumen augmented firstly and then decreased slowly.In the kernel,the proportion of lumen decreased continuously,and the decreasing speed was less and less.At last,6 models were constructed for describing the relationship between gall and kernel,gall and lumen,kernel and lumen,gall and kernel/gall,gall and lumen/gall,kernel and lumen/kernel.
【Fund】: 国家林业局林业科学技术研究项目(2006-45);; 深圳市城管局科研项目“深圳市刺桐姬小蜂综合防治研究”
【CateGory Index】: S763.3
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