The Relativity Analysis Between the Digestive Index in Different Stem Nodes and Dry Matter Decomposability Rate of Whole Plant in Corn

doi:10.3321/j.issn:1000-7091.2006.03.015

Abstract

Abstract: Maize varieties with different digestive rate were analyzed,and it was proved that the dry matter decomposability rate of the stem and leaf in 2^nd and 3^rd node above the ear were markedly correlated to the dry matter decomposability rate of the whole plant,whereas less or no correlation between the dry matter decomposability rate and the carbohydrate content of different nodes to that of the whole plant was found.Based on the result,a brief and economical method was proposed to test the carbohydrate of the stem or leaf nearby the ear with the saccharimeter,or to examine the decomposability rate of the dry matter of this part,instead of the test of the dry matter decomposability rate of the whole plant.

Key words: Maize, The dry matter decomposability rate, Correlation

CLC Number:

S513.024

LIU Shou-qu, ZHANG Er-jun, DUAN Yun-ping, WANG Gui-cai, WANG Xue-xiong. The Relativity Analysis Between the Digestive Index in Different Stem Nodes and Dry Matter Decomposability Rate of Whole Plant in Corn[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2006, 21(3): 61-64. doi: 10.3321/j.issn:1000-7091.2006.03.015.

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