Guava Nutrient Deficiency Symptoms & Corrective Measures

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  • Guava Nutrient Deficiency Symptoms & Corrective Measures

1. Nitrogen Deficiency

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Symptoms:

  1. Stunted growth in leaves.
  2. Pale green to light yellow leaves, often starting at the tips.
  3. In severe cases, older leaves may die or fall off due to chlorosis.

Corrective Measures:

  1. Follow the nutrition package provided below.
  2. Spray Nano Urea @ 5.0 ml or Urea @ 15.0 grams or Pankkh 28:28:00 @ 10 grams per litre of water if deficiency is noticed.

2. Phosphorus Deficiency

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Symptoms:

  1. Slow, weak, and stunted growth.
  2. Older leaves and stems may show dark to blue-green coloration.
  3. Delayed maturity and poor seed and fruit development.

Corrective Measures:

  1. Follow the nutrition package provided below.
  2. Spray Nano DAP @ 5.0 ml or Pankkh Gel 09:40:09 @ 2.0-3.0 ml or Pankkh 12:61:00 @ 10 grams per litre of water if deficiency is noticed.

3. Potassium Deficiency

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Symptoms:

  1. Chlorosis along the edges of leaves.
  2. Scorching first observed on older leaves.
  3. Stunted growth.
  4. Weak stems.
  5. Reduced size and quality of seeds and fruit production.

Corrective Measures:

  1. Follow the nutrition package provided below.
  2. Spray Pankkh Gel 11:00:14 + 11 Cao @ 2.0-3.0 ml or Sanexsol 7.5 grams per litre of water if deficiency is noticed.

4. Calcium Deficiency

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Symptoms:

  1. Symptoms first appear on younger leaves and leaf tips.
  2. Growing tips of roots and leaves turn brown and die.
  3. Newly emerging leaves may stick together at the margins, causing tearing as the leaves expand.
  4. Younger leaves may be cupped and crinkled, with deteriorating terminal buds.

Corrective Measures:

  1. Spray Calcium Nitrate @ 10.0 grams or Pankkh Gel 11:00:14 + 11 Cao @ 2.0-3.0 ml per litre of water if deficiency is noticed.

5. Magnesium Deficiency

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Symptoms:

  1. Interveinal chlorosis (yellowing between the veins) in older leaves.
  2. Leaf tissue between the veins may turn yellow, bronze, or reddish, while leaf veins remain green.
  3. In severe cases, symptoms appear on younger leaves, leading to premature leaf drop.

Corrective Measures:

  1. Spray Magnesium Sulphate @ 10.0 grams or Sanexsol @ 7.5 grams per litre of water if deficiency is noticed.

6. Sulpur Deficiency

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Symptoms:

  1. Young leaves exhibit chlorosis with light-colored veins.
  2. Growth rate is retarded, and maturity is delayed.
  3. Plant stems become stiff, thin, and woody.
  4. Symptoms often resemble nitrogen deficiency and are most common in sandy soils.

Corrective Measures:

  1. Spray Fuegrow @ 3.0 grams or Sanexsol 7.5 grams per litre of water if deficiency is noticed.

7. Boron Deficiency

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Symptoms:

  1. Stunted growth, with symptoms first appearing on the growing points and younger leaves.
  2. Leaves become thickened, curl, and may become brittle.
  3. Flower and fruit drop.

Corrective Measures:

  1. Spray Boro Q @ 2.0 grams or Swarnphall Foliar @ 4.0 grams per litre of water if deficiency is noticed.

8. Zinc Deficiency

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Symptoms:

  1. Interveinal chlorosis (yellowing between veins) on leaves.
  2. Improper cell development.
  3. Stunted growth in leaves and stems.
  4. Short internode length.
  5. Delay in flowering.

Corrective Measures:

  1. Spray Raze Zn @ 2.0 grams or Swarnphall Foliar @ 4.0 grams per litre of water if deficiency is noticed.

9. Iron Deficiency

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Symptoms:

  1. Younger leaves lose chlorophyll.
  2. Interveinal yellowing of leaves.
  3. In severe deficiency, leaves become pale yellow, turn white, and tips become dry.
  4. Stunted growth.

Corrective Measures:

  1. Spray Raze Fe @ 1.0 gram or Swarnphall Foliar @ 4.0 grams per litre of water if deficiency is noticed.

10. Manganese Deficiency

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Symptoms:

  1. Middle and older leaves become light green.
  2. Symptoms first appear at the middle part of older leaves and spread to the edges.
  3. In severe deficiency, brown, rose, or purple-colored strips appear at the interveinal parts of the leaf.
  4. Improper root development and poor growth.

Corrective Measures:

  1. Spray Swarnphall Foliar @ 4.0 grams per litre of water if deficiency is noticed.

Vijayshri Package of Practices (Nutrition for Guava)

iconSoil Application (per plant) for the Full Year:
Age
1
FYM/Compost (kg)
15
Castor/Neem Cake (kg)
1
Nitrogen/Urea (g)
100 (Urea 217)
Phosphorous/SSP (g)
40 (SSP 250)
Potash/MOP (g)
100 (MOP 170)
Urjaa Fruit Special (g)
50
Age
2
FYM/Compost (kg)
30
Castor/Neem Cake (kg)
2
Nitrogen/Urea (g)
200 (Urea 435)
Phosphorous/SSP (g)
80 (SSP 500)
Potash/MOP (g)
200 (MOP 340)
Urjaa Fruit Special (g)
100
Age
3
FYM/Compost (kg)
45
Castor/Neem Cake (kg)
3
Nitrogen/Urea (g)
300 (Urea 652)
Phosphorous/SSP (g)
120 (SSP 750)
Potash/MOP (g)
300 (MOP 500)
Urjaa Fruit Special (g)
150
Age
4
FYM/Compost (kg)
60
Castor/Neem Cake (kg)
4
Nitrogen/Urea (g)
400 (Urea 870)
Phosphorous/SSP (g)
160 (SSP 1000)
Potash/MOP (g)
400 (MOP 670)
Urjaa Fruit Special (g)
200
Age
5 & above
FYM/Compost (kg)
75
Castor/Neem Cake (kg)
5
Nitrogen/Urea (g)
500 (Urea 1090)
Phosphorous/SSP (g)
200 (SSP 1250)
Potash/MOP (g)
500 (MOP 850)
Urjaa Fruit Special (g)
250
Age of Plant/Tree (Years) FYM/Compost (kgs) Castor Cake/Neem Cake (kgs) Nitrogen/Urea (g) Phosphorous/SSP (g) Potash/MOP (g) Urjaa Fruit Special (g)
1 15 1 100 (Urea 217) 40 (SSP 250) 100 (MOP 170) 50
2 30 2 200 (Urea 435) 80 (SSP 500) 200 (MOP 340) 100
3 45 3 300 (Urea 652) 120 (SSP 750) 300 (MOP 500) 150
4 60 4 400 (Urea 870) 160 (SSP 1000) 400 (MOP 670) 200
5 & above 75 5 500 (Urea 1090) 200 (SSP 1250) 500 (MOP 850) 250
iconFertilizer Schedule:
  • June & July: Apply 50% Urea, 100% SSP, 50% MOP, and 50% URJA T.
  • September: Apply 50% Urea, 50% MOP, and 50% URJA-T.
iconMicronutrient Spray Schedule for 1 litre of water:

1. First Spray (Before Flowering):

  • Swarnphall Foliar Spray @ 4.0 grams
  • Pankkh 16:16:16 @ 5.0 grams
  • Radon @ 5.0 ml

2. Second Spray (20 days after First Spray):

  • Swarnphall Foliar Spray @ 4.0 grams
  • Radon @ 5.0 ml
  • Magnesium Sulphate @ 7.5 grams
  • Vijyam @ 1.0 ml

3. Third Spray (20 days after Second Spray):

  • Zeton @ 2.5 grams
  • Mettix @ 2.5 ml
  • Radon @ 5.0 ml
  • Sanexsol @ 7.5 grams

4. Fourth Spray (20 days after Third Spray):

  • Pankkh 11:00:14 +11 CaO : @ 2.0 - 3.0 ml
  • Swarnphall Foliar Spray @ 5.0 grams
  • Radon: 5.0 ml
iconNote:

Agro chemicals can be added based on pest and disease needs, as per recommendation.