在棉花品种抗性资源的研究中 ,棉花单宁和黄酮类化合物一直是倍受注目的次生代谢物质。在我国的棉花抗虫 (病 )性基础研究中 ,它几乎涉及到包括棉铃虫在内的所有主要虫害。自 2 0世纪初对棉花单宁—黄酮类化合物进行分离鉴定研究以来 ,已发现棉花植株内具有由原花青定和原翠雀 In the study of cotton variety resistance resources, cotton tannins and flavonoids have been the most important secondary metabolites. In our basic research on cotton insect resistance (disease), it deals with almost all major insect pests, including cotton bollworm. Since the beginning of the 20th century on cotton tannin - flavonoids isolated and identified studies have been found in cotton plants have from the original cyanine and the original Delphinium