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  4. Observe the picture given below and identify the disease-causing nematode that causes a great reduction in yield of tobacco plants. <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/4a9c42203d69c949f9004aa267bef457-.png />

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Q. Observe the picture given below and identify the disease-causing nematode that causes a great reduction in yield of tobacco plants.
image

NTA AbhyasNTA Abhyas 2020Biotechnology and its Applications

Solution:

A nematode Meloidogyne incognita infects the roots of tobacco plants and causes a great reduction in yield, by causing root-knot diseases.