Botanical Terminology Flashcards
1
Q
Dieback
A
Common symptom of disease. Characterized by progressive death of twigs, branches, shoots, or roots starting at the tips. They can be caused by many fungi, a few bacteria that produce cankers, anthracnose, wilts, and stem or root rots. Nematodes, stem- or root-boring insects, mechanical damage, paving over roots, winter injury from cold or deicing salts, and a deficiency or excess of moisture or an essential element may cause dieback, directly or indirectly.
2
Q
Taproot
A
A plant with downwards growing roots, typically a dicotyledonous plant (angiosperms) It will grow secondary, then tertiary lateral roots.