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Wheat variety which was introduced earlier as resistance to leaf rust disease but became susceptible to same is Kalyan Sona Lerma Rojo Sonara-64 Sharbati Sonara

Wheat variety which was introduced earlier as resistance to leaf rust disease but became susceptible to same is
  1. Kalyan Sona
  2. Lerma Rojo
  3. Sonara-64
  4. Sharbati Sonara

Grade:12th pass

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
The correct option is 1.
Wheat (Triticum spp.) is a cereal grain, originally from the Levant region of the Near East but now cultivated worldwide. In 2010, world production of wheat was 651 million tons, making it the third most-produced cereal after maize (844 million tons) and rice (672 million tons). Wheat was the second most-produced cereal in 2009; world production in that year was 682 million tons, after maize (817 million tons), and with rice as a close third (679 million tons).

This grain is grown on more land area than any other commercial food.[citation needed] World trade in wheat is greater than for all other crops combined. Globally, wheat is the leading source of vegetable protein in human food, having a higher protein content than other major cereals, maize (corn) or rice. In terms of total production tonnages used for food, it is currently second to rice as the main human food crop and ahead of maize, after allowing for maize's more extensive use in animal feeds.

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