plant diseases ( TMV and rose black spot)

Question 1

___ affects many species of plants ?

Answer 1

TMV affects many species of plants

Question 2

what is an example of a plant that tmv affects?

Answer 2

tomatoes

Question 3

tmv causes leaves to discolour in a ____ pattern?

Answer 3

tmv causes leaves to discolour in a mosaic pattern

Question 4

as a result of tmv, rate of _______ and _____ is reduced?

Answer 4

as a result of tmv, rate of photosynthesis and growth is reduced

Question 5

rose black spot is caused by a ____?

Answer 5

rose black spot is caused by a fungus

Question 6

rose black spot causes leave to develop ____ or _____ spots?

Answer 6

rose black spot causes leave to develop purple or black spots

Question 7

rose black spot causes leaves to turn ____ and fall off?

Answer 7

rose black spot causes leaves to turn yellow and fall off

Question 8

rose black spot causes rate of ______ and rate of ____ to fall?

Answer 8

rose black spot causes rate of growth and rate of photosynthesis to fall

Question 9

how is rose black spot spread?

Answer 9

by water or wind

Question 10

what are the 2 ways we can treat rose black spot?

Answer 10

spraying plant with fungicides or removing infected leaves and destroying them