Pretreatment of rice seedlings by foliar spraying with benzothiadiazole (BTH) could induce systematic acquired resistance (SAR) against blast (Magnaporthe grise
Combined effects on soil microbial activity of nutrient and pesticide management in hybrid rice double annual cropping system were studied. Results of field exp
<正> It WaS found that exogerlous ethylene or ethrel could inducerice male stelility and endogenous ethylene was negativelycorrelated with pollen fertility and