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首页> 外文期刊>Acta Horticulturae >Response of Washington Navel Orange Plants to Application of Helpstar and Saltrad as Saline Correctors
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Response of Washington Navel Orange Plants to Application of Helpstar and Saltrad as Saline Correctors

机译:华盛顿脐橙植物对Helpstar和Saltrad用作盐溶液校正剂的反应

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摘要

The aim of this study is to evaluate the effect of different salinity levels (zero, 1500, 3000 and 4500 ppm NaCl) and salinity correctors Saltrad (CaO) and Helpstar leaf and root chemical composition of Washington Navel orange plants. The results indicated that all vegetative growth parameters (growth rate, plant height, stem diameter, root length, volume index and trunk cross sectional area), leaf chlorophyll content, leaf peroxidase activity and leaf and root contents of carbohydrates, N, P, K, Caand Mg have decreased, meanwhile leaf and root proline and Na and CI contents have increased with salinity increments. Salinity correctors enhanced all vegetative growth parameters, chlorophyll, peroxidase activity, proline, carbohydrates and N, P, K, Caand Mg contents, meanwhile Na and CI were reduced. Generally, it can be concluded that using Saltrad at 7.5 cm~3/pot/month gave the highest values of vegetative growth parameters and leaf and root chemical composition. Due to lack of significance - in most parameters- between Saltrad treatments at 5 and 7 cm~3/pot, we recommend the use of Saltrad at 5 cm~3/pot/month to reduce the negative impact of salinity on Washington navel orange plants.
机译:这项研究的目的是评估华盛顿盐脐橙植物不同盐度水平(零,1500、3000和4500 ppm NaCl)和盐度校正剂Saltrad(CaO)以及Helpstar叶和根化学成分的影响。结果表明,所有营养生长参数(生长速率,株高,茎直径,根长,体积指数和树干横截面积),叶片叶绿素含量,叶片过氧化物酶活性以及碳水化合物,氮,磷,钾的叶和根含量,钙镁含量降低,而叶片和根脯氨酸以及Na和CI含量随盐度增加而增加。盐度校正剂可提高所有营养生长参数,叶绿素,过氧化物酶活性,脯氨酸,碳水化合物和N,P,K,Ca和Mg的含量,同时减少Na和CI。通常,可以得出结论,以7.5 cm〜3 /盆/月的浓度使用Saltrad可以得到最高的营养生长参数以及叶片和根的化学成分。由于缺乏重要性-在大多数参数中-在5和7 cm〜3 /盆/月的Saltrad处理之间,我们建议使用5 cm〜3 /盆/月的Saltrad来减少盐度对华盛顿脐橙植物的负面影响。

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