Genetically Modified (GM) crops – cotton, mustards, etc.

Pusa-2090: A Potential Solution to Stubble Burning  


From UPSC perspective, the following things are important :

Prelims level : Pusa-2090

Mains level : NA


Central Idea

  • In response to stubble burning challenge, the Indian Agricultural Research Institute (IARI) has developed Pusa-2090, an improved version of Pusa-44, offering similar yields but with a shorter maturity period.

About Pusa-2090

  • Development: IARI developed Pusa-2090 by crossing Pusa-44 with CB-501, an early-maturing Japonica rice line known for stronger stems and higher grain production.
  • Advantages: Pusa-2090 offers the same high yields as Pusa-44 but matures in just 120-125 days, addressing the stubble-burning issue.
  • Field Testing: The variety has undergone successful trials in Delhi and Odisha, and Punjab farmers have reported promising results.
  • Economic Benefits: Pusa-2090’s potential to match Pusa-44’s yields with a shorter duration makes it an attractive option for farmers.

Replacing Pusa-44

  • Pusa-44 in Punjab: In the current kharif season, Punjab has planted 5.48 lakh hectares with Pusa-44, accounting for over 17% of the state’s total paddy area.
  • Long Maturation Period: Pusa-44 takes 155-160 days to mature, delaying the availability of fields for the next wheat crop.
  • Stubble Burning: To prepare fields for the next crop, farmers resort to burning the remaining stubble after harvesting Pusa-44, contributing to air pollution.
  • Alternative Varieties: While there are alternative varieties like PR-126 with a shorter maturation period, their yields are lower than Pusa-44, impacting farmers’ income.

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