翻译外文文献 10
respectivelyandC1andC2aretherespectivevaluesofthecontrols(KochevaandGeorgiev2003).Sta...
respectively and C1 and C2 are the respective values of the controls (Kocheva andGeorgiev 2003).
Statistical analysis
Data were analysed by ANOVA using GENSTAT.A completely randomised design was employed for growth, gas exchange and water relation experiments with each response analysed independently. Significant differences were identified using Fisher’s protected least significant difference at 5% confidence interval. Data presented for gas exchange and water relations were calculated as a percentage of the
unstressed control.
Results
Survival
Root drenching with 0.1 mM SA had no deleterious effect on plant survival under control conditions(Fig. 1). SA application significantly increased plant survival in saline stress conditions (P < 0.001).Complete survival (100%) was observed in SA
treated plants when subjected to 150 mM NaCl(Fig. 1). Although survival was decreased (75% survival)in SA treated plants under 200 mM NaCl in comparison to non-stressed control plants (100%),survival was substantially higher under 200 mM salt stress in comparison to plants that did not receive SA.
Shoot growth rate
SA had no effect on shoot growth in non-saline conditions (Fig. 2). SA significantly increased mean shoot growth rates of tomato plants under 200 mM saline stress conditions (P < 0.001) (Fig. 2). SA had no significant effect on shoot RGR in plants under 150 mM NaCl. Unstressed plants had the highest RGR of approximately 89–105 mg g-1 day-1. Lower levels of salinity stress showed higher RGR than higher levels (Fig. 2).
Gas exchange and water relations
SA treatment did not significantly affect photosynthetic rates of unstressed plants throughout the measuring period, with average CO2 absorption rates of unstressed plants being 8–10 lmol CO2 m-2 s-1. SA application significantly increased photosynthetic rates when plants were exposed to salinity stress, in comparison to untreated plants (P < 0.001) (Fig. 3a).Salt stressed plants pre-treated with SA maintained a significantly higher photosynthetic rate than untreated stressed plants up to 9 days post stress, thereafter no significant difference was observed (Fig. 3a). Plants pre-treated with SA and subjected to 150 mM salt stress had similar photosynthetic rates in comparison to unstressed plants (100%) over the initial 6 days
(Fig. 3a).
SA treatment had no significant effect on transpiration rates or stomatal conductance in unstressed plants. Plants treated with SA maintained higher transpiration rates and stomatal conductance when subjected to salinity stress (P < 0.001) (Fig. 3b, c). These effects remained significantly different for 9 days after stress (Fig. 3b, c). Plants treated with SA and exposed to 150 mM NaCl had transpiration rates similar ( > 80%) to unstressed plants over the initial 6 day period, whereas untreated plants maintained less than 60% function. Plants treated with SA and exposed to 200 mM NaCl had transpiration rates above 40% of unstressed plants,
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Statistical analysis
Data were analysed by ANOVA using GENSTAT.A completely randomised design was employed for growth, gas exchange and water relation experiments with each response analysed independently. Significant differences were identified using Fisher’s protected least significant difference at 5% confidence interval. Data presented for gas exchange and water relations were calculated as a percentage of the
unstressed control.
Results
Survival
Root drenching with 0.1 mM SA had no deleterious effect on plant survival under control conditions(Fig. 1). SA application significantly increased plant survival in saline stress conditions (P < 0.001).Complete survival (100%) was observed in SA
treated plants when subjected to 150 mM NaCl(Fig. 1). Although survival was decreased (75% survival)in SA treated plants under 200 mM NaCl in comparison to non-stressed control plants (100%),survival was substantially higher under 200 mM salt stress in comparison to plants that did not receive SA.
Shoot growth rate
SA had no effect on shoot growth in non-saline conditions (Fig. 2). SA significantly increased mean shoot growth rates of tomato plants under 200 mM saline stress conditions (P < 0.001) (Fig. 2). SA had no significant effect on shoot RGR in plants under 150 mM NaCl. Unstressed plants had the highest RGR of approximately 89–105 mg g-1 day-1. Lower levels of salinity stress showed higher RGR than higher levels (Fig. 2).
Gas exchange and water relations
SA treatment did not significantly affect photosynthetic rates of unstressed plants throughout the measuring period, with average CO2 absorption rates of unstressed plants being 8–10 lmol CO2 m-2 s-1. SA application significantly increased photosynthetic rates when plants were exposed to salinity stress, in comparison to untreated plants (P < 0.001) (Fig. 3a).Salt stressed plants pre-treated with SA maintained a significantly higher photosynthetic rate than untreated stressed plants up to 9 days post stress, thereafter no significant difference was observed (Fig. 3a). Plants pre-treated with SA and subjected to 150 mM salt stress had similar photosynthetic rates in comparison to unstressed plants (100%) over the initial 6 days
(Fig. 3a).
SA treatment had no significant effect on transpiration rates or stomatal conductance in unstressed plants. Plants treated with SA maintained higher transpiration rates and stomatal conductance when subjected to salinity stress (P < 0.001) (Fig. 3b, c). These effects remained significantly different for 9 days after stress (Fig. 3b, c). Plants treated with SA and exposed to 150 mM NaCl had transpiration rates similar ( > 80%) to unstressed plants over the initial 6 day period, whereas untreated plants maintained less than 60% function. Plants treated with SA and exposed to 200 mM NaCl had transpiration rates above 40% of unstressed plants,
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分别C1和C2各自的价值观的控制(Kocheva andGeorgiev 2003)。
统计分析
数据分析人际GENSTAT使用。一个完全随机设计,该桥在增长,气体交换和水关系每个反应相互独立分析实验。显著性差异被定义为使用费舍尔的保护至少5%显著差异置信度)。提出了一种数据对气体交换和水关系的百分比计算了
非重读控制。
结果
生存
根淋与0.1毫米山没有不良影响控制条件下对植物的生存(图1)。山应用显著增加对盐碱地区植物生存压力条件(P < 0.001).Complete生存(100%)进行了观察在SA
当遇到对植物150毫米盐(图1)。虽然生存减少(75%求生治疗在圣安东尼奥下,植物相比,盐200毫米控制植物有(100%),生存是更高200毫米盐胁迫下相比并没有收到的植物进化算法。
茎的生长速率
山没有影响在茎的生长条件盐分不高(图2)。山显著增加番茄的生长速率意思是拍下,植物生理盐水应力情况200毫米(P < 0.001)(图2)。山无显著影响下,植物RGR射在150毫米盐。非重读植物RGR最高g-1 day-1大约89-105毫克。 更低的盐度有较高的压力比更高层次RGR(图2)。
气体交换和水的关系
山治疗没有显著影响植物光合速率在测量时间是非,平均的比率CO2的吸收二氧化碳lmol非重读植物被8 - 10 m-2 s-1。山应用植物光合速率显著增加下压力盐度的对照相比,植物(P < 0.001)(图3a).Salt强调植物与山保持着处理明显
统计分析
数据分析人际GENSTAT使用。一个完全随机设计,该桥在增长,气体交换和水关系每个反应相互独立分析实验。显著性差异被定义为使用费舍尔的保护至少5%显著差异置信度)。提出了一种数据对气体交换和水关系的百分比计算了
非重读控制。
结果
生存
根淋与0.1毫米山没有不良影响控制条件下对植物的生存(图1)。山应用显著增加对盐碱地区植物生存压力条件(P < 0.001).Complete生存(100%)进行了观察在SA
当遇到对植物150毫米盐(图1)。虽然生存减少(75%求生治疗在圣安东尼奥下,植物相比,盐200毫米控制植物有(100%),生存是更高200毫米盐胁迫下相比并没有收到的植物进化算法。
茎的生长速率
山没有影响在茎的生长条件盐分不高(图2)。山显著增加番茄的生长速率意思是拍下,植物生理盐水应力情况200毫米(P < 0.001)(图2)。山无显著影响下,植物RGR射在150毫米盐。非重读植物RGR最高g-1 day-1大约89-105毫克。 更低的盐度有较高的压力比更高层次RGR(图2)。
气体交换和水的关系
山治疗没有显著影响植物光合速率在测量时间是非,平均的比率CO2的吸收二氧化碳lmol非重读植物被8 - 10 m-2 s-1。山应用植物光合速率显著增加下压力盐度的对照相比,植物(P < 0.001)(图3a).Salt强调植物与山保持着处理明显
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