Wheat rust is a fungal infection .

谷物锈病是一种真菌感染。

Fungal infections are another concern .

另一个问题是真菌感染。

Further investigation revealed two genera of nitrogen-fixing bacteria living in the fungal gardens .

进一步的研究发现，有两种固氮菌生活在蚁群的真菌菌落中。

For example , tree roots are often surrounded by fungal growths that take nutrients from the trees .

比如，树根的周围经常被某种真菌环绕着，它们从树种汲取养分。

This year he began field trials of grapes engineered to resist pierce 's disease and fungal infection .

今年早些时候，他开始了重整葡萄的实地试验，以抵抗皮尔斯病和真菌感染。