Weed 第4页

Physiological mechanisms of strong competition of weedy rice at seedling stage Effects of rice-straw residues and herbicide clodinafop-propargyl on wheat and Gramineae weeds Biological activities of eight herbicides to three species of fenoxaprop- P-resistant weeds in wheat fields Quantitative survey on spring exotic weeds and the niche characteristics of dominant species in Nanjing Allelopathic Effects of Amaranthus retroflexus L. And Its Risk Assessment COMPARIS0N 0F DIFFERENTIATON BETWEEN CALLI FROM PR0TOPLASTS 0F NICOTIANA TABACUM AND ITS CALLI OF CROWN GALLS Genetic Diversity and Origin of Weedy Rice in Jiangsu Province, China