The Impact of Thermoperiodism on the Pine Caterpillar in Photoperiodic Response Studies on the Relationship between Photoperiodic Response, Thermoperiodic Response and Photoperiod-Temperature Sensitive Male Sterility in Rice Breeding of a Photo-thermo Sensitive Genic Male Sterile Indica Rice Zhongzi S with a Purple-leaf Marker and the Hoterosis of Its Hybrid Rice Produced with It PRELIMINARY STUDY ON MULTIPLICATION OF PEDIGREE SEEDS FOR TGMS LINES OF RICE AT LOW CRITICAL TEMPERATURE IN GREENHOUSE IN WINTER AMMI Analysis of Genotype by Sowing Date Interaction Reveals the Fertility Sensitivity to Photoperiod and Temperature of P(T)GMS Rice