3.Corn smut :- host-zea mays and Pathogen-Ustilago maydis. RUSTS are the fungal disease of grasses and other plants which appear on the host surface as small, coloured pustules- red,brown,yellow,orange or black in colour. It is caused by the fungus of the class uredinomycetes.
Types of Insulation. For insulating a rabbit shed or playhouse it is best to select insulation that is easy to work with and non toxic (in case your rabbit comes into contact with it). The following types of insulation meet these criteria: Polystyrene Sheets-Polystyrene is easy to work with and cut to size.ypes of Insulation. For insulating a rabbit shed or playhouse it is best to select insulation that is easy to work with and non toxic (in case your rabbit comes into contact with it). The following types of insulation meet these criteria: Polystyrene Sheets-Polystyrene is easy to work with and cut to size.
Polyurethane Foam. The type that is used for insulation. 1  Remove the door, remove knob and screw. 2  Tape rear hole to contain foam. 3  Lay door flat. 4  Enlarge knob hole to allow dispensing wand to fit. ( 5 If this enlargment is too close to the knob base size, this method won't work). 6  Dispense foam into hole.olyurethane Foam. The type that is used for insulation. 1  Remove the door, remove knob and screw. 2  Tape rear hole to contain foam. 3  Lay door flat. 4  Enlarge knob hole to allow dispensing wand to fit. ( 5 If this enlargment is too close to the knob base size, this method won't work). 6  Dispense foam into hole.