甘草叶片形态结构和光合作用对干旱胁迫的响应
张东, 刘艳, 张晗, 张子健, 王洋, 刘美岑

Response of Photosynthesis and Leaf Morphological Characteristics to Drought Stress in Glycyrrhiza uralensis
Dong ZHANG, Yan LIU, Han ZHANG, Zi-Jian ZHANG, Yang WANG, Mei-Cen LIU
表1 干旱胁迫下甘草叶片表皮气孔形态结构
Table1 Leaf epidermal morphology of G. uralensis under drought stress

材料

Material

处理

Treatment

上表皮密度

Stomatal density of

upper epidermis

(个·mm-2

下表皮密度

Stomatal density of

lower epidermis

(个·mm-2

上表皮开张比

Porosity opening

ratio of upper

epidermis(%)

下表皮开张比

Porosity opening

ratio of lower

epidermis(%)

上表皮开张宽度

Stomatal opening

width of upper

epidermis(μm)

下表皮开张宽度

Stomatal opening

width of lower

epidermis(μm)

新叶

Young leaves

CK75.3±4.5b216.7±4.5ab46.0±1.0b34. 7±1.5b1.36±0.05b2.14±0.05a
LS91.3±5.1a224±2.6a53. 7±1.5a48.0±2.0a1.72±0.04a1.74±0.05b
MS66.7±3.5bc203.7±3.5bc44.3±1.2b30.7±2.1b0.78±0.04c0.60±0.03c
SS61.7±4.7c180.7±3.1c38.3±1.5c13.7±1.5c0.58±0.03d0.52±0.01c

成熟叶

Mature leaves

CK71.3±4.5b260±3.0a68. 7±1.5a57.33±0.6b1.92±0.04a2.4±0.1a
LS104.7±6.5a201.3±4.2b71.3±1.5a73.33±1.5a1.89±0.03a2.1±0.02b
MS87.7±2.5b142.3±1.5c30.7±2.5b51±1.0b1.15±0.05b0.77±0.03c
SS38.3±3.5c213.3±2.5b22.3±2.5c10.33±1.5c0.95±0.05c0.73±0.04c

衰老叶

Aging leaves

CK76.3±2.5a167.3±2.5a58±2.0b23.67±1.5b1.18±0.03b0.98±0.02a
LS62.7±2.5b141.3±3.5b67.7±1.2a29±1.0a1.38±0.03a0.94±0.03a
MS46.3±3.5c173.7±2.5a21±2.6c12.33±1.5cd0.78±0.03c0.71±0.02bc
SS24.0±3.6d163.7±4.0a17.7±0.6c7.67±1.5d0.77±0.03c0.58±0.03c