Common leaf

Epidemic Forecast and Yield Loss Estimate on Alfalfa Common Leaf Spot Disease

苜蓿褐斑病流行预测及产量损失估计

Lucerne common leaf spot : forage quality , photosynthesis rate and field resistance

苜蓿褐斑病对牧草质量光合速率的影响及田间抗病性

Study on Excised Leaf Tissue Inoculation of Common Leaf Spot in Alfalfa

苜蓿褐斑病的离体叶接种研究

The most economical and effective way to control the common leaf spot disease was the breeding and employment of disease resistant materials .

抗病新材料的选育和使用是防治苜蓿褐斑病最经济、有效的办法。

Field occurrence and epidemic dynamics of alfalfa common leaf spot ( Pseudopeziza medicaginis ) in the mountain area of southern Ningxia

宁夏南部山区苜蓿褐斑病田间发生及流行动态

This form of meningitis can not be transmitted from person to person , it 's caused by a fungus called Aspergillus , a common leaf mould .

这种形式的脑膜炎不会在人与人之间传染，它是由于一种名为曲霉菌的真菌，一种常见的叶霉菌引起的。

The laws of field development of major diseases were researched , and the correlation between field development of alfalfa common leaf spot and powdery mildew and precipitation were preliminarily analyzed as well .

通过多点系统观测和分析，研究了苜蓿主要病害的田间发生规律，并初步分析了苜蓿褐斑病和白粉病与降雨量之间的关系。

They will provide evidence for the identification of alfalfa germplasm with common leaf spot disease resistance , and also provide basis for the construction of the marker-assisted selection system . It will improve the selection efficiency , shorten the breeding period .

本研究鉴定出的四个苜蓿抗褐斑病分子标记，将为苜蓿抗褐斑病种质资源的鉴定以及抗褐斑病育种提供分子标记辅助选择的依据，会提高选择效率，缩短育种年限。

The electric binding machine has the advantages of convenient operation , reduced labor strength , improved labor efficiency and low cost , and is suitable for being used by common tobacco leaf planters .

本实用新型操作方便，可以降低劳动强度，提高劳动效率，而且价格比较低廉，适合普通的烟叶种植户使用。

No difference was observed between the two tetraploids and common diploids in leaf age , tiller growth and flowering habit .

叶龄、分蘖及开花习性等方面表现出与二倍体水稻相似的特点。