Analysis of Viability Affecting on Genetic Integrity in Soybean Germplasm Zhong Huang 18 by AFLP Markers Effect of Sample Sizes and Isolation Methods on Genetic Integrity of Faba Bean(Vicia faba L.)Germplasm Effect of Sample Sizes and Isolation Methods on Genetic Integrity of Faba Bean(Vicia faba L.)Germplasm Influence of Ageing on Genetic Integrity of Trigonella ruthenica L.