The effects of pathogens on the growth and activate oxygen metabolism of Trifolium repens L.
研究了病原菌对野外白车轴草生长及活性氧代谢系统的影响。
2
Some shade tolerance forage species of Lolium multiflorum, Dactylis glomerata, Bromus carticus and Trifolium repens were selected to sow in pear orchard.
通过试验，筛选出了适宜在梨园行间种植的多花黑麦草、鸭茅、扁穗雀麦、白三叶等较耐荫草种。
3
Three of them are new records of host plant, they are Uromyces trifolii var. trifoliirepentis on Trifolii repens, Albugo candida on Cardaria sp. and puccinia Sonchi on Sonchus oleraceus;