Agriculture & Biology
defoliation
79%
long term effects
72%
plant tissues
67%
Pinus
64%
insects
46%
sawflies
33%
Neodiprion lecontei
31%
Hylobius pales
30%
Ips pini
26%
stems
26%
plant stress
18%
Coleoptera
18%
conifers
17%
phloem
16%
population dynamics
15%
herbivores
14%
forest decline
12%
Ophiostoma
12%
Pinus resinosa
12%
carbon
10%
evergreen trees
10%
nutrient balance
10%
host preferences
10%
pathogens
9%
cocoons
9%
diterpenoids
8%
monoterpenoids
8%
Curculionidae
8%
plant anatomy
7%
nutrient content
7%
Hymenoptera
6%
resins
6%
Lepidoptera
6%
greenhouses
5%
seedlings
5%
fungi
5%
nutrients
4%
acids
4%
tissues
3%
leaves
3%
testing
3%
Earth & Environmental Sciences
defoliation
100%
long-term effect
80%
insect
70%
pine
64%
tissue
54%
stem
37%
phloem
25%
beetle
18%
coniferous tree
17%
population dynamics
15%
pathogen
15%
plant-herbivore interaction
13%
evergreen tree
12%
perennial plant
12%
cocoon
12%
nutrient balance
11%
nutrient
10%
deciduous tree
10%
monoterpene
10%
carbon
9%
foliage
9%
seedling
8%
colonization
7%
fungus
7%
rate
5%
acid
5%
test
3%
parameter
2%
effect
1%