Low Temperature Impact On Photosynthetic Parameter Of Coffe Genotypes.pdf

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Preview of Low temperature impact on photosynthetic parameter of coffe genotypes
🔗 Source: scielo.br
📊 Size: 1.26 MB
📄 Pages: 12 pages
⬇️ Downloads: 89

Summary

Researchers evaluated the impact of low temperatures on photosynthetic parameters in three coffee genotypes: C. canephora (Conilon clones 02 and 153) and C. arabica ('Catucaí' IPR 102). The plants were exposed to a gradual temperature decrease from 25/20°C to 13/8°C, followed by a three-day chilling cycle at 13/4°C, and a 14-day recovery period. The results showed that all genotypes were sensitive to low temperatures, but the 'Catucaí' IPR 102 cultivar had a better ability to cope with cold stress, with full recovery of leaf gas exchange, fluorescence parameters, and enzymatic activity. The study suggests that understanding the physiological and biochemical response mechanisms to low temperatures in coffee plants can contribute to selecting tolerant genotypes and improving crop management.

Description

Researchers evaluated the impact of low temperatures on photosynthetic parameters in three coffee genotypes: C. canephora (Conilon clones 02 and 153) and C.

Technical Information

  • File Format: PDF
  • File Size: 1.26 MB
  • Pages: 12
  • Language: EN
  • Total Downloads: 89
  • Last Updated: 3 weeks ago

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