Question: Gummosis is associated with which fruit crop?
Options:
Citrus fruits
Papaya
Bael
Mango
🍊 Gummosis
→ Gummosis is associated with Citrus fruits.
→ It is characterized by sap oozing from cracks in the bark.
→ Also known as leaf fall, footrot, or broom rot.
→ Gummosis is caused by the fungus Phytophthora spp., a soil-borne fungal disease.
→ An early symptom of gummosis is sap oozing from small cracks in the infected bark, giving the tree a bleeding appearance.
→ Management: Spray 0.1% aurofungin or Bordeaux mixture.
📝 Additional Information
🍊 Citrus Canker:
→ Causal Organism: Xanthomonas campestris bacteria
→ Vector: Phyllonorycter citrella (leaf miner)
🍊 Dieback:
→ Causal Organism: Colletotrichum gloeosporioides
🍊 Greening:
→ Causal Organism: Gracillicuts (gram-negative bacteria)
→ Vector: Diaphorina citri (psyllid)
🍊 Tristeza:
→ Causal Organism: Citrus Tristeza virus
→ Vector: Toxoptera citricida
🍊 Chlorosis:
→ Cause: Insufficient soil moisture and nutrients
🍊 Root Rot:
→ Causal Organism: Phytophthora spp.
🍊 Pink Disease:
→ Causal Organism: Pellicularia salmonicolor
🍊 Citrus Exocortis:
→ Causal Organism: Viroid