Agritech Archive
Loading
Agritech ArchiveSkip to main contentAbout this archive
Text size
Crop guidance, searchable

Agritech Archive

Production · Protection · Nutrients · Water
In here
1,513 crop protection pages, pest and disease by crop•98 crops tagged — rice, cotton, sugarcane, mango and more•261 nutrient management pages, deficiency symptoms and correction measures•3,462 data tables preserved from the source pages

Symptoms

Mosaic Viruses Symptoms Mosaic viruses in which the leaves show sharply defined patches of unusual coloration may occur in beans. The causal agents of these symptoms may be nutrient imbalance or herbicide injury or result from infection by one of several viruses. Southern peas can be infected by Cowpea aphid-borne mosaic virus , Bean common mosaic virus and several others. It is not possible to distinguish between the viruses based on symptoms alone. Laboratory tests (ELISA) are required to identify the viruses and confirm that they may be responsible for the mosaic symptoms. Management There are no recommended chemical controls for these problems. Many of these viruses are transmitted by aphids and are also transmitted through seed. For this reason it is unwise to save seeds from year to year.
  • Mosaic viruses in which the leaves show sharply defined patches of unusual coloration may occur in beans.
  • The causal agents of these symptoms may be nutrient imbalance or herbicide injury or result from infection by one of several viruses. Southern peas can be infected by Cowpea aphid-borne mosaic virus , Bean common mosaic virus and several others.
  • It is not possible to distinguish between the viruses based on symptoms alone.
  • Laboratory tests (ELISA) are required to identify the viruses and confirm that they may be responsible for the mosaic symptoms.

Management

  • There are no recommended chemical controls for these problems.
  • Many of these viruses are transmitted by aphids and are also transmitted through seed. For this reason it is unwise to save seeds from year to year.