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Chugoku 31 and St No1 have been used to breed different varieties of rice stripe virus resistant rice plants in Japan. Since the 1950s, Japanese rice farmers have adopted the practice of planting rice early in the season. This allows the plants to grow past the tillering stage by the time planthoppers immigrate from wheat and barley plants. [6]
The brown planthopper (BPH), Nilaparvata lugens (Stål) (Hemiptera: Delphacidae) is a planthopper species that feeds on rice plants (Oryza sativa L.). These insects are among the most important pests of rice, which is the major staple crop for about half the world's population. [ 1 ]
Sogatella furcifera is a migratory pest of rice in Asia, [2] migrating from tropical and subtropical regions toward northern or northeast Asia in spring and summer. At the end of growing season in autumn, their offspring migrate back to their southern overwintering sites.
Delphacidae is a family of planthoppers containing about 2000 species, distributed worldwide. Delphacids are separated from other "hoppers" by the prominent spur on the tibia of the hindleg. Diet and pest species
Leafhopper is the common name for any species from the family Cicadellidae. These minute insects , colloquially known as hoppers , are plant feeders that suck plant sap from grass, shrubs, or trees.
A planthopper is any insect in the infraorder Fulgoromorpha, [1] in the suborder Auchenorrhyncha, [2] a group exceeding 12,500 described species worldwide. The name comes from their remarkable resemblance to leaves and other plants of their environment and that they often "hop" for quick transportation in a similar way to that of grasshoppers .
Nephotettix cincticeps, the rice green leafhopper, is a species of true bug in the family Cicadellidae. It is a vector of virus diseases in rice and also a pest of barnyard millet . [ 1 ] It is a key insect vector transmitting rice dwarf virus (RDV) that causes rice dwarf disease.
The Auchenorrhyncha suborder of the Hemiptera contains most of the familiar members of what was called the "Homoptera" – groups such as cicadas, leafhoppers, treehoppers, planthoppers, and spittlebugs. The aphids and scale insects are the other well-known "Homoptera", and they are in the suborder Sternorrhyncha.