Home Crop Monitoring Tomato Russet Mite: Symptoms and Control

Tomato Russet Mite: Symptoms and Control

Feeding by A. lycopersici on the foliage, inflorescence and young fruit of tomato plants causes shrivelling and necrosis of leaves, dropping of flowers, russeting of fruit and, if uncontrolled, death of the plants.[ad_1]

The tomato russet mite (Aculops lycopersici, additionally known as Vasates lycopersici, Vasates destructor and Phyllocoptes destructor in older publications) belongs to the household Eriophyidae. It doesn’t produce galls however lives freely (vagrant) on tomato crops.

Aculops lycopersici was detected for the primary time in Australia and is a pest in tomatoes in all areas the place they’re grown. Different members of the plant household Solanaceae could also be affected to a lesser extent.

Most popular Scientific Identify

  • Aculops lycopersici (Tryon, 1917)

Most popular Widespread Identify

Different Scientific Names

  • Aceria lycopersici
  • Aculops destructor
  • Aculops lycopersicae
  • Aculus destructor (Keifer, 1940)
  • Aculus lycopersici (Tryon, 1917)
  • Eriophyes lycopersici
  • Phyllocoptes destructor (Keifer, 1940)
  • Phyllocoptes lycopersici (Tryon, 1917)
  • Vasates destructor (Keifer, 1940)
  • Vasates lycopersici (Tryon, 1917)

Worldwide Widespread Names

  • English: tomato mite
  • Spanish: acaro de la roseta del tomate; acaro de la roseta del tomato (Mexico); acaro del tomate; acaro tostador de la tomate; canelilla de la roseta del tomato (Mexico); deca de los tomates
  • French: acarien de la tomate; acariose bronzée de la tomate

Native Widespread Names

  • Germany: Milbe, Tomaten-; Tomaten-Milbe

EPPO code

  • VASALY (Aculops lycopersici)

Footage

Image Title Caption Copyright
Feeding by A. lycopersici on the foliage, inflorescence and young fruit of tomato plants causes shrivelling and necrosis of leaves, dropping of flowers, russeting of fruit and, if uncontrolled, death of the plants. Injury signs on tomato plant Feeding by A. lycopersici on the foliage, inflorescence and younger fruit of tomato crops causes shrivelling and necrosis of leaves, dropping of flowers, russeting of fruit and, if uncontrolled, loss of life of the crops. From Keifer et al., 1982
Line artwork of A. lycopersici, adult female: A, lateral view; B, featherclaw; C, dorsal view of prodorsal shield region; D, detail of microtubercles; E, internal genitalia; F, coxae and genital region; G, lateral view of legs. Grownup feminine Line paintings of A. lycopersici, grownup feminine: A, lateral view; B, featherclaw; C, dorsal view of prodorsal defend area; D, element of microtubercles; E, inside genitalia; F, coxae and genital area; G, lateral view of legs. From Keifer, 1946

Life cycle and look of tomato russet mite

All life levels of the tomato russet mite are extraordinarily small and troublesome to look at. They’re elongated (torpedo-shaped), comfortable and segmented. The physique seems to be divided into two elements: the top with the mouthparts, and the remainder of the physique. All cellular levels have solely two pairs of legs, whereas different mite teams have 4 pairs.

Eggs are roughly 0.05 mm in diameter and are laid on the underside of leaves, on leaf petioles, and on stems on the decrease portion of crops. When newly laid they’re creamy white however flip to a patchy yellow as they age. The mites have two nymphal levels: typically they’re additionally referred to as larva (1st stage) and nymph (2nd stage). The primary nymphal stage is a clear white color and about 0.1 mm lengthy.

They often develop to the 2nd stage inside a day. All life levels look very related. The adults develop after about two or three days. They’re cream to orange-yellow in color, wedge-shaped and very small (roughly 0.17 mm in size), with males being barely smaller than the females.

Injury is attributable to the mites sucking out the contents of plant cells. Affected leaves are barely curled and purchase a silvery sheen on the underside. Later they change into brown and brittle. Badly affected tomato leaves and stems lose their trichomes (leaf hairs). Affected stems flip a rusty brown color, and in critical instances they could snap.

The fruit will also be affected, and when this occurs in tomatoes, the pores and skin turns into coarse and turns reddish brown and the fruit itself is typically deformed. Appreciable injury can happen, particularly at excessive temperatures when inhabitants progress is most speedy and affected leaves dry out shortly. The injury is first seen on the decrease a part of the plant and strikes upwards because the mites ascend.

Botanical Identify: Aculops lycopersici

Crops it impacts: Tomato

Description: it is a small mite, invisible with bare eye which assaults the inexperienced a part of the plant.

Learn Additionally: PLANTING, GROWING, AND HARVESTING TOMATOES

Symptoms and Injury

Among the signs which can be being displayed by the crops when being affected by this illness embrace:

  • Leaves flip yellow and dry from the highest

Tomato Russet Mite: Symptoms and Control

  • Brown areas seem on stemTomato Russet Mite: Symptoms and Control
  • Attacked fruits have a cracked side and hold a small measurement

Tomato Russet Mite: Symptoms and Control

Injury Prevention

They are often prevented via the next means:

  • Favor sprinkling irrigation on leaves
  • Apply particular and systematic preventive acaricid
  • Take away crop residue after harvest

Associated: 4 Steps to assist an Orange Tree Produce Candy Oranges

Listed here are some wonderful tomatoe farming books and different tomato merchandise to help you additional:

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