title: Effect of sunlight on the infectivity of Nosema heliothidis spores isolated from Heliothis zea.
mesh_terms: D000818:Animals; D056890:Eukaryota / Q000254:growth & development / Q000528:radiation effects*; D003368:Gossypium / Q000469:parasitology*; D007313:Insecta / Q000469:parasitology*; D007814:Larva / Q000469:parasitology; D013170:Spores / Q000254:growth & development / Q000528:radiation effects; D013472:Sunlight