Parasitizing Tobacco Cultivars in Brazil.

Foliar nematodes ( spp.) are known to be parasites of tobacco in restricted areas, but symptoms caused by in tobacco are not well characterized, despite the great importance of this nematode worldwide. This study aimed to evaluate the host reaction of four cultivars (Comum, Xanthi, Samsun, and TNN) and cultivar Comum to and to characterize the symptoms and the parasitism of this nematode.

Parasitizing Cowpea () in Brazil.

Several species of nematodes are known to cause losses to cowpea () throughout the world. In Brazil, was described as causing damage on soybean, cotton, and common bean, but no report was found about the parasitism of this nematode in cowpea. This study aimed to verify the host reaction of cowpea cultivars to .

Parasitizing Common Bean in Brazil.

is the causal agent of soybean green stem and foliar retention syndrome known as "Soja Louca II." This nematode has recently been reported parasitizing cotton in Brazil. In Costa Rica, it causes the symptoms known as "amachamiento" and false angular spots in common bean ().

Metabolomics of soybean green stem and foliar retention (GSFR) disease using mass spectrometry and molecular networking.

Rationale: The nematode Aphelenchoides besseyi is the causal agent of green stem and foliar retention, a soybean disease recently described in Brazil. This condition can reduce soybean yield by up to 100%. However, little is known about chemical interactions between the plant and pathogen.