Research Article

Ephedra alte (Joint Pine): An Invasive, Problematic Weedy Species in Forestry and Fruit Tree Orchards in Jordan

Table 3

Total number and frequency of E. alte plants per host plant species attacked and coverage percentage on host plant in six randomly selected representative sites in Jordan late in 2010.

Plant speciesFrequency of E. alte density (plants per host species)Frequency of E. alte density (%)E. alte coverage (%)

Simaroubacea
A. altissima
20.55 7 7 . 0 ± 1 5 . 5 cd*
Rosaceae
A. communis
8724.10 7 7 . 9 ± 3 . 0 cd
Gramineae
A. donax
10.28 6 7 . 0 ± 2 1 . 5 bcd
Liliaceae
A. stipularis
102.77 8 8 . 3 ± 7 . 0 d
Capparidaceae
C. spinosa
82.22 4 5 . 5 ± 7 . 7 ab
Rutaceae
C. limon
10.28 2 4 . 9 ± 2 1 . 9 ab
Cupressaceae
C. sempervirens L. var. pyramidalis
71.94 5 5 . 6 ± 8 . 9 abc
Rosaceae
C. monogyna
4913.57 8 1 . 1 ± 3 . 7 cd
Rutaceae
C. aurantifolia
51.39 3 5 . 0 ± 1 0 . 3 ab
Euphorbiaceae
E. hierosolymitana
82.22 7 1 . 2 ± 7 . 9 bcd
Moraceae
F. carica
51.39 6 9 . 9 ± 9 . 8 bcd
Rubiaceae
Galium sp.
10.28 8 7 . 0 ± 2 1 . 5 cd
Compositae
I. viscosa
10.28 8 4 . 1 ± 2 1 . 5 cd
Apocynaceae
N. oleander
10.28 1 4 . 9 ± 2 1 . 9 a
Oleaceae
O. europaea
195.26 4 6 . 8 ± 5 . 2 ab
Cactaceae
O. ficus-indica
41.11 7 2 . 9 ± 1 1 . 3 cd
Pinaceae
P. halepensis.
61.66 5 2 . 0 ± 8 . 9 abc
Compositae
P. indica
20.55 4 9 . 9 ± 1 6 . 0 abc
Rosaceae
S. spinosum
51.39 7 9 . 2 ± 9 . 8 cd
Leguminosae
P. farcta
41.11 7 2 . 7 ± 1 1 . 0 cd
Rosaceae
P. persica
10.28 9 8 . 0 ± 2 1 . 5 d
Anacardiaceae
P. palaestina
102.77 5 6 . 5 ± 7 . 0 abc
Punicaceae
P. granatum
30.83 6 8 . 7 ± 1 2 . 5 bcd
Fagaceae
Q. coccifera
154.16 7 9 . 4 ± 6 . 4 cd
Leguminosae
R. raetam
267.20 5 8 . 9 ± 6 . 7 abc
Rhamnaceae
R. palaestina
6718.56 7 8 . 2 ± 3 . 1 cd
Anacardiaceae
R. coriaria
20.55 5 4 . 1 ± 1 5 . 5 abc
Anacardiaceae
R. tripartita.
41.11 4 7 . 4 ± 1 2 . 0 ab
Rhamnaceae
Z. spina-christi
71.94 7 3 . 5 ± 9 . 8 cd

*Means within column followed by the same letter were not significantly different according to 𝑡 -test at 𝑃 0 . 0 5 .
Numbers of % coverage represent mean values ± SE.