BOTANY

Detailed explanation-1: -Tomato spotted wilt virus is transmitted by various species of thrips, including the western flower thrips, Frankliniella occidentalis, the onion thrips, Thrips tabaci, and the chili thrips, Scirtothrips dorsalis. Tomato spotted wilt virus also infects the thrips vector.

Detailed explanation-2: -A small number of thrips species are also the sole vectors or carriers of all viruses in the Tospovirus or tomato spotted wilt group of plant viruses. Tospoviruses are among the most damaging viruses worldwide in many vegetable, field and ornamental crops.

Detailed explanation-3: -Disease Transmission TSWV is transmitted from infected plants to healthy plants by at least ten species of thrips. Thrips are tiny (approximately 1/16 of an inch) winged insects that feed on plants through sucking mouthparts.

Detailed explanation-4: -TSWV infection is characterized by severe symptoms on the majority of the plant species it infects. On tomato, it causes leaf bronzing, small brown flecks, stunting, and dieback of growing tips; ringspots often appear on green fruit, which turn yellow on mature fruits.

Detailed explanation-5: -Tomato spotted wilt disease is caused by TSWV, a virus that severely damages and reduces the yield of many economically important plants worldwide including tomato and pepper. The virus is transmitted by thrips (Thysanoptera: Thripidae).