Signs of Plant Disease

Test yourself on Signs of Plant Disease

• Which of the following are signs of plant disease?

• A rose bush's leaves, which are usually dark green, have turned bright yellow. Which sign of plant disease does this describe?

• What term describes stems or leaves that have grown into an abnormal or twisted shape, as a sign of plant disease?

• A potato tuber develops a soft, brown patch where the tissue has rotted and broken down, while the rest of the tuber stays firm. Which sign of plant disease does this describe?