- 更多网络例句与抗旱相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this research, the effect of osmotic stress (-0.975 MPa) on the coleoptile and radicle growth was studied with 17 drought resistant wheat genotypes at germination stage, and several physiological and biochemical indices were analyzed.
为给小麦苗期抗旱鉴定提供依据,以17个抗旱性不同的小麦品种为材料,在参透胁迫(-0.975MPa)条件下,研究了小麦萌发后期部分生理生化指标的变化,并在旱棚池栽控水条件下对品种的抗旱性进行了比较鉴定。
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Repens L. and E. intermedia Nevski by using SSR, in order to provide science theories basis and base to further study E. repens L. drought resistance gene molecular marker, discover excellent drought resistance gene source , fast and efficiently select with the molecular marker of drought resistance gene catena for E.
通过对20 份来源不同的偃麦草与中间偃麦草种质材料在室内模拟逆境和田间干旱条件下进行抗旱材料的筛选和鉴定,应用SSR 技术对偃麦草抗旱分子标记进行引物筛选,为进一步深入研究偃麦草与中间偃麦草抗旱基因分子标记、发掘优异抗旱基因源,快速高效筛选出与偃麦草与中间偃麦草抗旱基因连锁的分子标记提供科学理论依据和基础。
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It is an effective way to comprehensively evaluate the drought tolerance of foxtail millet by Principal Component Analysis and Fuzzy Clustering,which not only could avoid the bias and the instability of single factor analysis,but also reflect the relationship between different drought tolerance related traits and drought tolerance in foxtail millet better.
利用主成分分析,结合模糊聚类的方法进行谷子的抗旱性综合评价,不仅可以避免单一指标的片面性和不稳定性,而且可以较好地揭示谷子抗旱相关性状与其抗旱性的关系。
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Basesd on the precipitation difference in Tsaidam Basin of Qinghai Province, three sampling areas, including Geremu, Delinghan and Doulan, were selected, and then three sapmling plots in each sampling area were selected to study the characteristics of plant community which dominated by Ceratoides lateens, Nitraria tangutorum, Tamarix chinensis, Kalidium gracile, Haloxylon ammodendron and Salsola arbuscula respectively. At the same time, the morphological and physiological features of above-mentioned 6 species were measured for probing their drought tolerance. By using the subordinative function method, grey correlative degree analyse and no-weight index comprehensive evaluation method, their drought tolerance were compared as well. The results were showed as follows: The main xeric vegetation types in the desert steppe of Tsaidam Basin were Nitraria tangutorum community, Tamarix chinensis community, Haloxylon ammodendron community, Kalidium gracile+Salsola arbuscula community, Ceratoides lateens+ Haloxylon ammodendron+Kalidium gracile community.
根据青海省柴达木盆地不同地区历年降水量差异,在研究区内选择格尔木、德令哈、都兰3个采样区,每个样区内确定3个采样点(表示为D11、D12、D13、D21、D22、D23、D31、D32、D33),以样区内唐古特白刺、甘蒙柽柳、梭梭、木本猪毛菜、里海盐爪爪、驼绒藜等6种主要植物为研究对象,通过调查采样地区群落特征,观测植物形态解剖特征,测定植物脯氨酸、可溶性糖、叶绿素、超氧化物歧化酶、过氧化物酶和过氧化氢酶等生理指标,研究了柴达木盆地6种植物抗旱生理特性及抗旱特性,用模糊数学隶属函数法、灰色关联分析和非加权指数评价法分别对6种植物的各个抗旱性指标进行了综合评价。
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Using different concentrations of PEG solution simulated drought stress, measured PB86, PR107, RRIM600 and GT1 rubber tree seedling leaves relative water content, the relative conductivity, malondialdehyde, soluble sugar content, superoxide dismutase, 8 physiological indicators, and their changes in the law, and using principal component analysis, membership function analysis, correlation analysis grey mathematical statistical methods, such as the evaluation of four strains of rubber tree seedlings and with the drought resistance the relevance of indicators; at the same time analysing the use of hypertonic solution screening rubber tree seeds and the drought resistance of different rootstocks on 7-33-97 budding seedlings of the impact of drought that rubber tree planting material and rootstocks drought assessment, and provide a theoretical basis choice.
利用不同浓度的PEG溶液模拟干旱胁迫,测定了PB86、PR107、RRIM600和GT1橡胶树实生苗叶片相对含水量、相对电导率、丙二醛、可溶性糖含量、超氧化物歧化酶等8项生理指标,研究了它们的变化规律,并利用主成分分析、隶属函数分析、灰色关联分析等数理统计方法评价了4个品系橡胶树实生苗的抗旱性及其与各指标的相关性;同时分析了利用高渗溶液筛选的橡胶树种子的抗旱性以及不同砧木对热研7-33-97芽接苗抗旱性的影响,以为橡胶树抗旱砧木和种植材料的评价、选择提供理论依据。
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The drought tolerance of wild Axonopus compressus germplasm resources was studied and the drought resistance of each A. compressus plant was found to have a direct relationship with its habitat. The A. compressus plants which had better drought tolerance were usually distributed on sloping ground, waysides etc., while plants which had poor drought tolerance were usually distributed in damp habitats such as river banks and bottoms.
对我国不同来源地毯草野生种质资源抗旱性的研究结果表明,各供试地毯草的抗旱性与生境有着直接的关系,基本表现为分布于山坡地和路边等旱生环境中的地毯草,其抗旱性也相对较好,而那些在综合评判中表现为抗旱性较差的地毯草,大多是从河滩等湿生环境中采集到的材料。
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The comprehensive evalucation resulted in a strong drought resistance group including ZXY04P-201、ZXY03P-227、ZXY03P-122 and ZX Y04P-136, a weak drought resistance group including ZXY04P-101、ZXY04P-89,ZXY04P-239 and a intermediate group including the others according to the the above indicators. 3. The results of study on drought mechanism for 4 Dactylis glomerata L. under continuously water stress and rewatering show: the water saturation deficit of leaves arose hastily, and ZXY04P-239 changed most obviously while ZXY04P-201 changed only slightly under drought stress. ZXY03P-173 and ZXY04P-201 increased in the relative plasmalemma permeability and the soluble sugar content while thant of ZXY04P-75 and ZXY04P-239 showed the trend of initial increasing, reaching the peak at the 8th day, then decreasing under drought stress.
20份鸭茅种质幼苗期抗旱性研究表明,干旱胁迫条件下,所有材料的株高、生物量显著下降,叶片脯氨酸和可溶性糖作为重要的渗透调节物质,其含量迅速增加,质膜相对透性的数值变大,细胞膜受伤害程度增大,水分饱和亏缺值变大,植物保水能力变弱,胞间CO2浓度增大;净光合速率、蒸腾速率、气孔导度和叶绿素含量等指标测定值减小,通过20份鸭茅种质苗期抗旱性综合评价,发现ZXY04P-201、ZXY03P-227、ZXY03P-122、ZXY04P-136属强抗旱性材料,ZXY04P-101、ZXY04P-89、ZXY04P-239属弱抗旱性材料,其他属于中等抗旱性材料。
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Involucrate seedlings. The results showed that all test reagents had positive effects, and synergistic effect existed among them. CaCl2 and SA improved the water utilization efficiency of D. involucrate at the initial stage of water stress, while water-retention agent maintained higher soil moisture content when the drought stress developed so as to improve the drought resistance of D. involucrate and alleviate the effects of water stress.
结果表明:CaCl2、SA和保水剂对珙桐幼苗抗旱性的影响均呈正向作用,且它们之间具有协同效应;CaCl2和SA提高了珙桐幼苗在水分胁迫前期对土壤水分的利用,使幼苗维持了较高的抗旱性;随着土壤干旱的持续,保水剂对水分胁迫有缓效作用,使土壤维持了较高的水分含量,有利于保持幼苗的抗旱性,减小水分胁迫的危害。
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The effect of humic acid with the concentration of 850mg/L on improving the drought-resistance of Populus alba x Populus breolinensis seedlings was very obvious, and favorable regulative effects of humic acid with the concentrations of 850 and 650 mg/L on Ulmus pumila seedlings were also observed, but the effect of humic acid on Betula platyphylla seedlings was not distinct.
浓度为850 mg/L的黄腐酸对提高银中杨苗木抗旱性效果明显,浓度为850 mg/L和650mg/L的黄腐酸对白榆苗木抗旱性均有良好的调节作用,黄腐酸对白桦苗木抗旱性的调节作用不明显。
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The results showed that there were differences between the contents of osmotic regulators and the rate of bound water/free water of three kinds of privets leaves, it was the main reason that affects its anti-cold ability; there were differences among cuticle thickness, stomas density and size of the leaves, it was the main reason that affects its anti-drought ability.
结果表明:三种女贞叶片的渗透调节物质含量和束缚水与自由水的比值存在差异,这是影响其抗低温能力的主要因素;其角质层厚度和气孔密度与大小也有差异,这是影响其抗旱能力的主要因素;女贞的抗低温和抗旱能力均较强,金叶女贞的抗旱能力较差,金边女贞的抗旱能力较强而其抗低温能力较差。
- 更多网络解释与抗旱相关的网络解释 [注:此内容来源于网络,仅供参考]
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Drought control:抗旱
沙漠化 Desertification | 抗旱 Drought control | 旱作 Dry farming
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Drought control:抗旱,防旱
drop-type spreader 坠落式撒播机 | drought control 抗旱,防旱 | drought damage 旱害
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drought resistance:抗旱性
植物抵抗旱害的能力称为抗旱性(drought resistance). 中国西北、华北地区干旱缺水是影响农林生产的重要因子,南方各省虽然雨量充沛,但由于各月分布不均,也时有干旱危害. (3)蛋白质分解,脯氨酸积累 干旱时植物体内的蛋白质分解加速,合成减少,
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drought resistance:抗旱性 抗旱性
drought hardiness 耐旱性 人為抗旱性 Y | drought resistance 抗旱性 抗旱性 Y | drove 畜群 畜群 Y
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drought hardiness:耐旱性 人為抗旱性
drought dormancy 旱期休眠 旱期休眠 Y | drought hardiness 耐旱性 人為抗旱性 Y | drought resistance 抗旱性 抗旱性 Y
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drought hardiness:人為抗旱性
drought dormancy 旱期休眠 | drought hardiness 人為抗旱性 | EAG; electroantennogram 觸角電圖
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drought-relief efforts:抗旱
dry spell 干旱期 | drought-relief efforts 抗旱 | drinking water shortage 饮用水缺乏
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drought-resistant plant:抗旱性植物
drought -乾旱 | drought-resistant plant-抗旱性植物 | dry adiabatic lapse rate -乾绝热(温度)递减率;乾绝热(温度)直减率
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drought-resistant variety:抗旱品種
抗旱性 drought resistance | 抗旱品种 drought-resistant variety | 干旱 drouth
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drought-resistant crop:抗旱作物
drought season ==> 渇水期 | drought-resistant crop ==> 抗旱作物 | Drouily''s method ==> 德劳利控制电解粉末粒度法,控制电解粉末粒度法