An overwintering, sexual spore type called an oospore can also be produced by the pathogen if both mating types of the pathogen are present in an area; however, only one mating type presently occurs ...

The gold clam excretes a lot of ammonium nitrogen (NH 4-N).Some of this ammonium ion (NH 4) turns into ammonia (NH 3), which can be toxic to invertebrates, fish, and submerged plants.The balance ...

Phytophthora cinnamomi é o oomycete associado a esta doença cujo ciclo de vida acontece integralmente no solo. Foi obtido um fragmento com 1231pb do gene glucan endo-1,3-β-D-glucosidase por ...