One of the plant introduced from new world to the old world is_________________?

A. Bacterial disease
B. Viral disease
C. Fungal disease

A. Mexico
B. Nigeria
C. Syria
D. Columbia

A. Disease
B. Insect pest
C. Lodging
D. Viruses

A. Higher shoot weight
B. Lower shoot weight
C. Higher root weight
D. None of the above

A. Soil water use
B. Crop water use efficiency
C. Soil plant water relationship
D. Water intensity

A. Mulching
B. Fumigation
C. Soil solarization
D. None of the above