Effect of Jujube Witches' Broom(JWB) Phytoplasma on the Chlorophyll and Several Protective Enzymes in Jujube Trees
LIU Ya-qian, PENG Long, NING Qiang, ZHAO Jin, LIU Meng-jun
ACTA AGRICULTURAE BOREALI-SINICA . 2012, (2): 213 -217 .  DOI: 10.3969/j.issn.1000-7091.2012.02.040