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Ulmus
榆属
常用释义
词性释义
n.
榆属
例句
全部
Ivela ochropoda
is
one
of the main defoliator
pest
occurred
in
Ulmus
pumila
,
and is very
serious
in Wuqi
County
.
榆毒蛾是榆树的食叶害虫之一，在吴起县发生严重。
There
was
no
poison
phenomenon
of
Ulmus
pumila
L
.
in
the whole
experiments
.
2.
在本试验处理浓度之内没有出现白榆受重金属毒害至死的现象。
Compared
with
Ulmus
pumila
, Platycladus
orientalis
showed
stronger
adjustability
in
the semi-arid
area
of
Loess
Plateau
.
在黄土半干旱区侧柏具有比白榆更强的适应能力。
the
extract
duration
and
temperature
also
have
influence
on the
quantity
of
Ulmus
pumila
volatile
.
萃取时间和萃取温度对家榆挥发物不同组分的萃取量也有影响。
Wind tunnel
test
indicated
that the
volatiles
of
Ulmus
pumila
and
Ricinus communis
have
high
efficiency
to
attract
Holotria
diomphalia
.
风洞生测表明，家榆和蓖麻的挥发物对东北大黑鳃金龟具有明显的引诱作用。
A
Study
on the
Distant Hybridization
between
Populus
alba Linn
.
And
Ulmus
pumila
Linn
.
银白杨与白榆远缘杂交的研究。
Study
on the
Relation
Between the
Photosynthetic
Physiological
Properties of
Ulmus
pumila
and
Hippophae rhamnoides
and
Soil
Water Content
白榆沙棘光合生理参数与土壤含水量关系研究
The
Ecological
Characteristics
of
Ulmus
gaussenii
and Its
Conservation
Measures
醉翁榆的生境特征及保护对策
Research
on
Photosynthetic
Daily
Course of
Ulmus
crassifolia
and Its
Influencing
Factors
南方岩榆光合作用日变化及其影响因子研究
Response
to
Light
of
Ulmus
pumila
in
Different
Soil
Moisture
不同土壤水分条件下白榆的光响应研究
Ecological
characters
of
rare
-
endangered
plant
Ulmus
lamellose
in
Shanxi Province
山西稀有濒危植物脱皮榆的生态学特征
The
Seedling Stage
Test
of
Ulmus
Pumila
L.
Excellent
Provenance
and
Family
Combine
Selection
白榆优良种源、家系配合选择苗期试验
Size
Structure
and
Neighbor
Pattern
of
Ulmus
pumila
L.
Population
at
Southern
Edge
of the Otindag
Sandy
Land
浑善达克沙地南缘榆树种群的大小结构和邻体格局
A
Study
on
Occurrence
Regularity
of
Ulmus
pumila
Withered
Disease
白榆干枯病发生规律的研究
Study
on the
Root
Distribution
Characteristic
and
Biomass
of
Ulmus
pumila
in Hunshandake
Sands
浑善达克沙地榆树根系分布特征及生物量研究
Experiment
on
control
mulberry
borer
by
boring
and
injecting
poison
on the trunk of
Ulmus
pumilavar
打孔注药防治垂榆桑天牛试验
The
Reasons
for the
Death
of
Ulmus
Pumila
in
Northern
Shaanxi
陕北榆树大量死亡原因探析
Cuticular structure
of
Ulmus
harutoriensis Oishi
et
Huzioka
and its
palaeoenvironment
significance
角质层特征及古环境意义
Spatial
Heterogeneity
of
Ulmus
pumila
Open
Forest
Ecosystem
in Otindag
Sandy
Land
浑善达克沙地榆树疏林生态系统的空间异质性
Chemical
constituents
of
root
barks
of
Ulmus
pumila
榆树根皮的化学成分