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Do biofertilizers affect nodulation ability and pod production in peanut genotypes?

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Applying a 1000mL dose of bovine biofertilizer significantly enhanced peanut production components, including mature pods and seed mass. The UNI08 peanut genotype showed the most responsiveness to this optimal biofertilizer treatment.

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Area of Science:

  • Agricultural Science
  • Agronomy
  • Plant Science

Background:

  • Peanut (Arachis hypogaea) production is crucial for Northeastern Brazil but faces low yields.
  • Optimizing biofertilizer application and selecting suitable genotypes are key to improving regional peanut farming.

Purpose of the Study:

  • To determine the optimal biofertilizer dosage for peanut cultivation.
  • To identify the most responsive peanut genotype to biofertilizer treatments.
  • To assess the impact of biofertilizer on peanut nodulation and yield components.

Main Methods:

  • A completely randomized block design with a 3x3 factorial arrangement was used.
  • Treatments involved three doses of bovine biofertilizer (0mL, 500mL, 1000mL) and three peanut genotypes (BR-1, UNI43, UNI08).
  • Evaluated parameters included number of nodules per plant, number of mature pods, pod mass per plant, seed mass per plant, and root length.

Main Results:

  • Bovine biofertilizer significantly influenced peanut production components: number of mature pods (NVM), pod mass per plant (MVP), and seed mass per plant (MSP).
  • The 1000mL biofertilizer dose demonstrated superior performance across all analyzed traits.
  • The UNI08 peanut genotype exhibited the highest responsiveness to the biofertilizer treatments, indicating its potential for improved cultivation.

Conclusions:

  • Bovine biofertilizer application positively impacts peanut yield components, with higher doses yielding better results.
  • Nodulation appears to be a significant factor influencing peanut production under biofertilizer treatment.
  • The UNI08 genotype is recommended for cultivation in Northeastern Brazil due to its superior response to optimized biofertilizer application.