APPLICATION OF PLANT MICRONUCLEUS TEST TECHNIQUE IN DETECTING WATER POLLUTION Effectsof laser pretreatment on cells of broadbean in UV-B-induced damage protection Effect of Salicylic Acid on Stomatal Movement in Guard Cell of Vicia faba by Laser Scanning Confocal Microscopy Effect of Salicylic Acid on Stomatal Movement and K Channel on Plasma Membrane of Guard Cell in Vicia faba L. Protein Tyrosine Phosphatases Mediate the Signaling Pathway of Stomatal Closure of Vicia faba L. 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