[Effects of nitrogen form on American ginseng leaf blight].
The effects of two nitrogen forms(NO3-N and NH4-N) on American ginseng leaf blight were studied using sand culture method. The results indicated that American ginseng leaf blight caused by Alternaria panax was reduced with NO3-N, while increased with NH4-N.
Institute of Medicinal Plant, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100094.
G
G
Zhang
H
H
Cheng
W
W
Ding
D000528:Alternaria / Q000187:drug effects*; D000645:Ammonium Sulfate / Q000494:pharmacology*; D009566:Nitrates / Q000494:pharmacology*; D005894:Panax / Q000254:growth & development*; D010935:Plant Diseases; D010946:Plants, Medicinal; D017680:Potassium Compounds / Q000494:pharmacology*
D009566:Nitrates; D017680:Potassium Compounds; C023844:potassium nitrate; D000645:Ammonium Sulfate