白三叶草有很多影响了叶片的颜色和形状的基因,并在研究中十分罕见。
White clover has many genes that affect leaf color and shape, and the three in the study were very rare.
其中寄主新纪录三种:白三叶草单胞锈菌白三叶草变种、群心菜白锈病菌及苦苣菜锈病柄锈菌;
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;
从盆栽50天两种植物的生长状况来看,白三叶草的相对长势更好,同时对泥炭施入的依赖性更小。
According to the growth of the two species in 50 days, white clover has better growing trend and is less dependent on the adding of peat.
结合盆栽试验和室内分析,矿土中添加合适比例的泥炭并种植紫花苜蓿、白三叶草后取得了较好的改良效果。
Combining pot experimentation and chemical analysis, good ameliorative effects are gained by adding peat on appropriate proportion level and planting alfalfa and white clover.
这表明稻草覆盖和间种白三叶草能改变茶园杂草群落结构,有效控制杂草生长,增加茶叶产量和改善茶叶品质。
Therefore, it can be concluded that intercropping white clover and straw mulching is an effective ecological measure for weeds control.
在模拟干旱条件下测定了高加索三叶草、白三叶和红三叶幼苗期的抗旱生理指标。
Under simulated drought stress conditions, some physiological indices for Caucasian clover(Trifolium ambiguum Bieb.
在模拟干旱条件下测定了高加索三叶草、白三叶和红三叶幼苗期的抗旱生理指标。
Under simulated drought stress conditions, some physiological indices for Caucasian clover(Trifolium ambiguum Bieb.
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