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Brinjal physical disorders By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL Islamabad
Brinjal Physiological
Disorders
ToT to FFS Staff
By Mr. Allah Dad Khan
Provincial Coordinator IPM KPK
MINFAL
Chilling Injury.
Symptoms
•
Eggplant fruit are chilling
sensitive at temperatures below
10°C (50°F). At 5°C (41°F) chilling
injury will occur in 6-8 days.
Consequences of chilling injury
are pitting, surface bronzing, and
browning of seeds and pulp
tissue. Accelerated decay by
Alternaria spp. is common in
chilling stressed fruit. Chilling
injury is cumulative and may be
initiated in the field prior to
harvest.
Brinjal physical disorders By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL Islamabad
Brinjal physical disorders By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL Islamabad
Special Considerations
•
Rapid cooling, primarily to reduce water loss, soon
after harvest is essential for optimal postharvest
keeping quality. The precooling endpoint is typically
10°C (50°F). Forced-air cooling is the most effective
practice. Room cooling after washing or hydrocooling is
the most common practice. Moistened paper or waxed
cartons are often used to reduce water loss. Japanese
eggplants lose water 3 times more rapidly than
American-type eggplants. Visible signs of water loss are
reduction of surface sheen, skin wrinkling, spongy
flesh, and browning of the calyx
• Symptoms
Boron Deficiency
• To induce B deficiency in brinjal cv. Pusa Purple, plants
were grown in refined sand at 3 levels of B, viz. acute
deficiency (0.0033 mg/litre), moderate (0.033 mg/litre)
and adequate (0.33 mg/litre). In brinjal, symptoms of
low boron at d 23–24 as interveinal chlorosis of young
leaves, chlorosis intensified later, necrotic patches
developed on them and on coalescing gave a withered
appearance to leaf. In addition, plants were short,
bushy and depressed due to condensation of
internodes. With increase in age young growth was
affected, turned necrotic and black due to
accumulation of phenols in low B. No fruits were
produced in acute deficiency
• Symptoms
Brinjal physical disorders By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL Islamabad
Brinjal physical disorders By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL Islamabad

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42. Energy Sources ( Energy potential in pakistan) A Series of Presentation ...
 
38. Energy Sources ( Introduction of hydrogen energy ) A Series of Presentati...
38. Energy Sources ( Introduction of hydrogen energy ) A Series of Presentati...38. Energy Sources ( Introduction of hydrogen energy ) A Series of Presentati...
38. Energy Sources ( Introduction of hydrogen energy ) A Series of Presentati...
 
37. Energy sources ( Hydrogen energy ) A Series of Presentation to Class By ...
37. Energy sources (  Hydrogen energy ) A Series of Presentation to Class By ...37. Energy sources (  Hydrogen energy ) A Series of Presentation to Class By ...
37. Energy sources ( Hydrogen energy ) A Series of Presentation to Class By ...
 
36. Energy sources (Nuclear energy ) A Series of Presentation to Class By Mr...
36. Energy sources (Nuclear energy  ) A Series of Presentation to Class By Mr...36. Energy sources (Nuclear energy  ) A Series of Presentation to Class By Mr...
36. Energy sources (Nuclear energy ) A Series of Presentation to Class By Mr...
 
34. Energy sources ( Natural gas ) A Series of Presentation to Class By Mr....
34. Energy sources (  Natural gas  ) A Series of Presentation to Class By Mr....34. Energy sources (  Natural gas  ) A Series of Presentation to Class By Mr....
34. Energy sources ( Natural gas ) A Series of Presentation to Class By Mr....
 
32. Energy Sources ( Energy sources the fuel) A Series of Presentation to ...
32. Energy Sources  ( Energy sources the   fuel) A Series of Presentation to ...32. Energy Sources  ( Energy sources the   fuel) A Series of Presentation to ...
32. Energy Sources ( Energy sources the fuel) A Series of Presentation to ...
 
27. Energy resources ( Biofuels ) A Series of Presentation to Class By Mr....
27. Energy resources (  Biofuels   ) A Series of Presentation to Class By Mr....27. Energy resources (  Biofuels   ) A Series of Presentation to Class By Mr....
27. Energy resources ( Biofuels ) A Series of Presentation to Class By Mr....
 
26. Energy Sources (Biodiesel from Algae )A Series of Presentation to Class...
26. Energy  Sources (Biodiesel from Algae  )A Series of Presentation to Class...26. Energy  Sources (Biodiesel from Algae  )A Series of Presentation to Class...
26. Energy Sources (Biodiesel from Algae )A Series of Presentation to Class...
 
24. Energy sources ( Renewable energy sources) A Series of Presentation to ...
24. Energy  sources ( Renewable energy sources) A  Series of Presentation to ...24. Energy  sources ( Renewable energy sources) A  Series of Presentation to ...
24. Energy sources ( Renewable energy sources) A Series of Presentation to ...
 
21. Energy sources ( Clean coal non renewable energy ) A Series of Prese...
21. Energy  sources  ( Clean coal  non renewable energy  ) A  Series of Prese...21. Energy  sources  ( Clean coal  non renewable energy  ) A  Series of Prese...
21. Energy sources ( Clean coal non renewable energy ) A Series of Prese...
 
20. Energy sources ( Biomass) A Series of Presentation to Class By Mr. All...
20. Energy  sources (  Biomass) A  Series of Presentation to Class By Mr. All...20. Energy  sources (  Biomass) A  Series of Presentation to Class By Mr. All...
20. Energy sources ( Biomass) A Series of Presentation to Class By Mr. All...
 
19. Energy sources ( Wind energy under water windmill) A Series of Presentat...
19. Energy sources ( Wind energy under water windmill) A  Series of Presentat...19. Energy sources ( Wind energy under water windmill) A  Series of Presentat...
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18. Energy sources ( Wind energy ) A Series of Presentation to Class By Mr...
18. Energy sources  (  Wind energy ) A  Series of Presentation to Class By Mr...18. Energy sources  (  Wind energy ) A  Series of Presentation to Class By Mr...
18. Energy sources ( Wind energy ) A Series of Presentation to Class By Mr...
 
17. Energy sources ( Tidal energy waves facts) A Series of Presentation to ...
17. Energy sources  ( Tidal energy waves facts) A  Series of Presentation to ...17. Energy sources  ( Tidal energy waves facts) A  Series of Presentation to ...
17. Energy sources ( Tidal energy waves facts) A Series of Presentation to ...
 
15. Energy sources ( Fourteen main advantages and disadvantages of tidal en...
15. Energy sources  ( Fourteen  main advantages and disadvantages of tidal en...15. Energy sources  ( Fourteen  main advantages and disadvantages of tidal en...
15. Energy sources ( Fourteen main advantages and disadvantages of tidal en...
 
14 . Energies sources ( Tidal energy renewable energy ) A Series of Presen...
14 . Energies sources (  Tidal energy renewable energy  ) A  Series of Presen...14 . Energies sources (  Tidal energy renewable energy  ) A  Series of Presen...
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Brinjal physical disorders By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL Islamabad

  • 2. Brinjal Physiological Disorders ToT to FFS Staff By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL
  • 3. Chilling Injury. Symptoms • Eggplant fruit are chilling sensitive at temperatures below 10°C (50°F). At 5°C (41°F) chilling injury will occur in 6-8 days. Consequences of chilling injury are pitting, surface bronzing, and browning of seeds and pulp tissue. Accelerated decay by Alternaria spp. is common in chilling stressed fruit. Chilling injury is cumulative and may be initiated in the field prior to harvest.
  • 6. Special Considerations • Rapid cooling, primarily to reduce water loss, soon after harvest is essential for optimal postharvest keeping quality. The precooling endpoint is typically 10°C (50°F). Forced-air cooling is the most effective practice. Room cooling after washing or hydrocooling is the most common practice. Moistened paper or waxed cartons are often used to reduce water loss. Japanese eggplants lose water 3 times more rapidly than American-type eggplants. Visible signs of water loss are reduction of surface sheen, skin wrinkling, spongy flesh, and browning of the calyx • Symptoms
  • 7. Boron Deficiency • To induce B deficiency in brinjal cv. Pusa Purple, plants were grown in refined sand at 3 levels of B, viz. acute deficiency (0.0033 mg/litre), moderate (0.033 mg/litre) and adequate (0.33 mg/litre). In brinjal, symptoms of low boron at d 23–24 as interveinal chlorosis of young leaves, chlorosis intensified later, necrotic patches developed on them and on coalescing gave a withered appearance to leaf. In addition, plants were short, bushy and depressed due to condensation of internodes. With increase in age young growth was affected, turned necrotic and black due to accumulation of phenols in low B. No fruits were produced in acute deficiency • Symptoms