Provide the full names for the following abbreviations:
$(1)$ $MLO$
$(2)$ $VAM$

(N/A) $(1)$ $MLO$ stands for Mycoplasma-Like Organisms. These are small,wall-less prokaryotes that are often pathogenic to plants.
$(2)$ $VAM$ stands for Vesicular-Arbuscular Mycorrhizae. These are a type of endomycorrhiza in which fungi form vesicles and arbuscules within the root cells of plants to facilitate nutrient uptake.