71.
Micronutrient absorbed by foliage is

72.
A totipotent cell means

73.
In plants buckling, puckering and blistering symptoms are produced by

74.
The perfect stage of Colletotrichum falcatum (causes red rot of sugarcane) is

75.
Who gave the biochemical basis of Gene for Gene hypothesis?

76.
Which is the role of molybdenum?

77.
The powdery mildew of wheat is associated with fungi

78.
Rust of linseed and flax (autoecious rust) is caused by

79.
Victoria blight epidemic devastated which crop in 1946?

80.
Night soil contains