Resistant evaluation of rice bacterial leaf streak and virulence differentiation of Xanthomonas oryzae pv.oryzicola in Jiangsu AN ANALYSIS OF VARIATION TENDENCY OF RICE RESISTANCE TO RICE BLAST IN FUJIAN PROVINCE Evaluation of rice varieties resistant to bacterial leaf streak in Jiangsu Genetic analysis on the resistance to yellow rust caused by Puccinia striiformis in the Chinese wheat differential variety Fengchan3