Name the host plant and its part the Meloidogyne incognitia infects. Explain the role of Agrobacterium in the production of dsRNA in the host plant.

Describe the role of agrobacterium in transforming a plant cell.

Which part of the tobacco plant is infected by Meloidogyne incognita?

Name two plant parts where nickel is present.

Which part of the tabacco plant is infected by meloidogyne incognita?

Several nematodes parasitise a wide variety of plants and animals including ______ . A nematode Meloidegyne incognitia infects the ______ of tobacco plants and causes a great reduction in yield :

Mycorrhiza does not help the host plant in

Tobacco plants are damaged severely when infested with Meloidegyne incognitia. Name and explain the strategy that is adopted to stop this infestation. (b) Name the vector used for introducing the nematode specific gene in tobacco plant.

Name the modified part in pitcher plant and bladder wort.

Name the nematode which infects the roots of tobacco plants

What are essential elements in plant nutrition? Explain the role of any three of them.