Paratrichodorus minor

Paratrichodorus minor (pronunciation: para-tri-cho-dor-us minor) is a species of nematode that is known to cause significant damage to a variety of crop species.

Etymology

The name "Paratrichodorus minor" is derived from the Greek words "para" meaning beside, "tricho" meaning hair, and "dorus" meaning gift. The term "minor" is a Latin word meaning smaller, indicating that this species is smaller than other members of the Paratrichodorus genus.

Description

Paratrichodorus minor is a small, slender nematode that is typically less than 1 mm in length. It is characterized by its distinctive stylet, which is used for feeding on plant roots. The species is known for its ability to transmit tobacco rattle virus, which can cause significant damage to crops.

Distribution

Paratrichodorus minor is found worldwide, with populations reported in North America, Europe, Asia, and Australia. It is particularly prevalent in areas with sandy soils, where it can easily move through the soil profile to reach plant roots.

Impact on Agriculture

Paratrichodorus minor is a significant pest of many crop species, including potato, tobacco, and peanut. The nematode feeds on the roots of these plants, causing damage that can result in reduced yield and quality. In addition, Paratrichodorus minor is known to transmit tobacco rattle virus, which can cause further damage to crops.

Management

Management of Paratrichodorus minor typically involves a combination of cultural practices, such as crop rotation and the use of resistant varieties, and chemical control methods. Research is ongoing to develop more effective and sustainable management strategies for this pest.

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Paratrichodorus minor