Preliminary Study on Dormancy Mechanism of Several Desert Plants under Drought Stress
几种荒漠植物干旱休眠机理的初步研究

Changes in contents of water,proline,betaine,trehalose,and ABA(abscisic acid) in leaves of Haloxylon ammodendron,Peganum harmala,Nitraria tangutorum,Zygophyllumant hoxylon,Reaumuria soongorica,Salsol apasserina,and Artemisia ordosica in Alxa desert in different growing seasons are investigated.The result shows that the content of proline is the highest in September;the content of betaine is the highest in July;the content of trehalose is the highest in May and Sep;while ABA is the highest in September.It su...