Upper critical temperatures for behaviors of three species of cereal aphids in leaf temperature gradients INFLUENCE OF TEMPERATURE ON COLONY GROWTH OF ECTOMYCORRHIZAL FUNGI IN PURE CULTURE Studies on the Response of Photoperiod Sensitive Genic Male Sterile(PGMS) Rice to Photoperiod and Temperature Response of Fertility of Different Generational TGMS Lines 96-5-2S to Low Temperature in Rice Thermo-sensitive period and critical temperature of fertility transition of thermo-photo-sensitive genic male sterile wheat Freezing resistance and injury indices for different cultivars of winterspring wheat in HuangHuaiHai Plain. Ⅰ. Comparison of  freezing resistance for different cultivars of winterspring wheat during midwinter period. Reaction of Pollen Fertility to High or Low Temperature Stresses in CMS-Based Hybrid Cotton