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Biotechnology And Its Applications

Question
CBSEENBI12046962

In the following table identify the correct matching of the crop, its disease and the corresponding pathogen.

  • Crop  Disease  Pathogen
    Citrus   Canker Pseudomonas rubrilineans
  • Potato  Late blight  Fusarium udum
  • Brinjal  Root-knot  Meloidogyne incognita
  • Pigeon  pea Seed gall  Phytophthora infestans

Solution

C.

Brinjal  Root-knot  Meloidogyne incognita

The root knot disease of brinjal is quite common in all vegetative growing areas especially when the climate is warm, with short winters. The disease is caused by root knot nematode Meloidogyne incognita. It devitalizes root tips, develop swelling over roots and reduces flow of I water and minerals to the aerial parts. As a result yield and quality of fruits are affected. Citrus canker is a common bacterial diseases of citrus tree, caused by Xanthomonas citri. Late blight is a disease of potato caused by fungus Phytophthora infestans having blight type symptoms. Wilt of pigeon pea is caused by Fusarium udum (fungi) where wilting of seedlings and adult plants occur