Crop Production and Management - 1

Crop rotation is done to increase the fertility of the soil. 

 Puccinia graminis causes black rust of wheat.

 Mustard plant is affected by white rust of crucifers.

 Potato plant is not affected by ergot disease.

Loose smut of wheat is a common fungal disease throughout the wheat-growing regions of the world. It spreads by seeds and flowers.

Frieswal Cow (the high milk yielding crossbred) produced by crossing Friesian and Sahiwal variety. 

 Horticulture is the cultivation of fruits and vegetables.

Among the options given, only sulphur is a macronutrient. Rest all are micronutrients.

Canker is a disease of tobacco plant.

Citrus canker is a disease affecting citrus species caused by the bacterium Xanthomonas.

Inbreeding.hybridisation and mutation are used for crop improvement.

The rabi season starts with the onset of north-east monsoon in October. Among the given options, only wheat is a rabi crop.

Growing wheat and gram simultaneously on the same piece of land in no fixed pattern is called mixed cropping. 

 Red Sindhi is an indigenous breed of cattle.