The Research on RNase Activity Increasing Reason in Black Locust Seedling Results from Water Stress EFFECT OF DROUGHT STRESS ON THE RNase ACTIVITY AND de novo AYNTHESIS IN WHEAT LEAVES Studies on Male Sterile Indica Rice Induced by a Pollen Specific Ribonuclease Gene and Its Inheritance Expression Profiling of Rice RNase T2 Proteins in Leaves and Seedlings under Salt-stressed Conditions EFFECT OF GIBBERELLIC ACID ON THE ACTIVITY OF RIBONUCLEASE FROM BLACK LOCUST SEEDLINGS Parental RNA is Significantly Degraded During Arabidopsis Seed Germination Prokaryotic Expression and Antimicrobial Activity of a Novel Ribonuclease Rdrlec from Rana dybowskii Mechanism of Wound-induced Defense Response and Signal Transduction in Plants