Pratylenchus goodeyi

Pratylenchus goodeyi is a species of nematode that belongs to the genus Pratylenchus, commonly known as the lesion nematodes. This species is named after the British nematologist B. R. Goodey, who made significant contributions to the study of nematodes.

Taxonomy

The Pratylenchus goodeyi is a member of the phylum Nematoda, class Secernentea, order Tylenchida, and family Pratylenchidae. The genus Pratylenchus comprises over 70 species, with Pratylenchus goodeyi being one of them.

Morphology

Like other nematodes, Pratylenchus goodeyi is a microscopic, elongated, and worm-like organism. It has a stylet, a needle-like structure used for feeding, and a well-developed metacorpus, which serves as a pump for ingesting food.

Life Cycle

The life cycle of Pratylenchus goodeyi includes egg, four juvenile stages, and adult. The duration of the life cycle is influenced by environmental conditions such as temperature and food availability.

Ecology

Pratylenchus goodeyi is a plant-parasitic nematode, causing damage to a wide range of host plants. It is known to cause significant yield losses in crops such as banana, potato, and tomato. The nematode penetrates the root tissues of the host plant, causing lesions and negatively affecting the plant's ability to absorb water and nutrients.

Management

Management of Pratylenchus goodeyi involves a combination of cultural, biological, and chemical methods. Cultural methods include crop rotation with non-host plants and soil solarization. Biological control involves the use of nematode-antagonistic organisms such as fungi and bacteria. Chemical control includes the use of nematicides.

See Also

• Nematode
• Pratylenchus
• Plant Pathology

References

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