Resistance identification of the liquor-feedstock sorghum varieties, hybrids and parents to sorghum head smut POPLAR BREEDING FOR RESISTANCE TO BATOCER HORSFIELDI (HOPE.) A STUDY ON THE ALFALFA THRIPS Study on Sorghum sudanese × S.propinguum interspecies hybridization Evaluation of 25 Nordic wheat accessions for resistance to powdery mildew and the identification of Pm genes using molecular markers STUDIES ON DELTAMETHRIN RESISTANCE BREEDING AND ITS RESISTANT MECHANISM OF DIAMOND BACK MOTH DEVELOPMENT AND PROSPECTS OF RICE BREEDING FOR RESISTANCE TO BLAST IN SICHUAN PROVINCE Research Progress of DREB/CBF Transcription Factor in Response to Abiotic-Stresses in Plants