Advantage of Phosphorus Solubilizing bacteria in bitter gourd

  • Increase micronutrients availability to plant from the soil like Mn, Mg, Fe, Mo, B, Zn and Cu in addition to P2O5.
  • Encourage faster root growth for water and nutrient uptake.
  • PSB produce organic acids like malic, succinic, fumaric, citric, tartaric acid and acetic acid which fasten the P2O5 uptake, maturity and increase yield.
  • Increase resistance towards diseases and drought tolerance due to rapid cell development in the plants.
  • Reduce 25 – 30% phosphatic fertilizer requirement.

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Phosphorus Deficiency in Cotton

Phosphorus Deficiency in Cotton:-

Leaves of Phosphorus deficient plants remain dark green in colour with reduced leaf size. The deficiency symptom is first reflected in the lower or older leaves of cotton plant. The deepening of the green colour of the leaves progresses upward towards to the growing point to the extent phosphorus is deficient, suggesting that the nutrient moves to younger tissues as the supply diminishes. An extreme deficiency of phosphorus not only reduces the plant size, but also suffers from lack of secondary branches and reduction in boll number. It also leads to delay in blooming, fruiting and maturity of the bolls.

Younger Leaves show more dark green appearance. Older leaves become small in size and developed purple and red pigmentation.

Control:- Spray 12:61:00 or 00:52:34 @ 100 gm per pump.

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Role of Phosphorus in Plants

Phosphorus (P) is essential for all living organisms. Plants must have phosphorus for normal growth and maturity. Phosphorus plays a role in photosynthesis, respiration, energy storage and transfer, cell division, cell enlargement and several other processes in plants. Phosphorus is a vital component of DNA, the genetic “memory unit” of all living things. Phosphorus is a vital component of ATP, the “energy unit” of plants. Thus, phosphorus is essential for the general health and vigour of all plants. Some specific growth factors that have been associated with phosphorus are:

  • Stimulated root development
  • Increased stalk and stem strength
  • Improved flower formation and seed production
  • More uniform and earlier crop maturity
  • Increased nitrogen N-fixing capacity of legumes
  • Improvements in crop quality
  • Increased resistance to plant diseases
  • Supports development throughout entire life cycle

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