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利用Li-6400光合作用系统对新疆阿克苏地区4个引种杏李品种(恐龙蛋、风味皇后、味帝、味厚)的净光合速率(Pn)、气孔导度(Gs)、胞间CO2浓度(Ci)、蒸腾速率(Tr)和水分利用效率(WUE)等生理指标进行测定、对比分析,并分析不同品种的净光合速率(Pn)、蒸腾速率(Tr)与外界环境因子的相关性。结果表明:风味皇后在该区域内的生长情况较好,抗逆性较强;4个杏李品种的生长量与Pn、Gs呈现正相关关系,恐龙蛋的Pn、Gs、Tr均比其他3个品种高,但是其WUE最小。影响味厚的Pn的主要因子有RH(空气相对湿度)、空气H2O浓度,影响Tr的因子有Gs、Ci、Tair(气温)、空气CO2浓度。影响味帝的Pn的内外因子有Gs、RH、Tair及空气CO2、H2O浓度,影响Tr的因子有Gs、RH、Tair以及空气CO2、H2O浓度。影响风味皇后Pn的内外因子有Gs、RH、Tair以及空气CO2、H2O浓度,影响Tr的因子有Gs、Ci、RH及空气CO2、H2O浓度。对于恐龙蛋Pn各个内外因子影响并不明显,影响其Tr的因子有Gs、Ci、RH、Tair、空气CO2浓度。
The net photosynthetic rate (Pn), stomatal conductance (Gs) and intercellular CO2 concentration of four introduced apricot varieties (dinosaur eggs, flavored queens, emperor emperor and taste buds) Ci, transpiration rate (Tr) and water use efficiency (WUE) were measured and analyzed. The correlations between net photosynthetic rate (Pn) and transpiration rate (Tr) and environmental factors were also analyzed. The results showed that Flavored Queen’s growth in this area was better and the resistance was stronger. The growth of four cultivars showed positive correlation with Pn and Gs, while Pn, Gs and Tr of dinosaur eggs were higher than those of other three A variety of high, but its minimum WUE. The main factors that affect the thickness of Pn are RH (air relative humidity), air H2O concentration, factors affecting Tr have Gs, Ci, Tair (air temperature), air CO2 concentration. There are Gs, RH, Tair and air CO2, H2O concentrations in the internal and external factors affecting Pn, Gs, RH, Tair and CO2, H2O concentrations in the air. The internal and external factors affecting the flavor queen Pn include Gs, RH, Tair and air CO2, H2O concentrations, and the factors affecting Tr are Gs, Ci, RH and air CO2, H2O concentrations. For dinosaur egg Pn internal and external factors are not obvious, the factors that affect Tr have Gs, Ci, RH, Tair, air CO2 concentration.