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首页> 外文期刊>Australian Journal of Crop Science >Salt balance in substrate and growth of ‘Tahiti’ acid lime grafted onto Sunki mandarin hybrids under salinity stress
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Salt balance in substrate and growth of ‘Tahiti’ acid lime grafted onto Sunki mandarin hybrids under salinity stress

机译：盐分胁迫下基质上的盐平衡和嫁接到Sunki普通杂种上的'Tahiti'酸橙的生长

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The salinity of water or soil may cause disturbance in growth and production of crops, particularly in citrus, which is considered sensitive to this abiotic factor. For this reason, it is important to choose tolerant materials of rootstocks and scion-rootstock combinations, and to evaluate the salt balance in soils. The effect of saline water irrigation on plant formation of 'Tahiti' acid lime [C. latifolia (Yu. Tanaka) Tanaka] seedlings grafted onto six rootstock genotypes of hybrid Sunki mandarin [C. sunki (Hayata) hort. ex Tanaka] was evaluated. Plants were evaluated for salt tolerance and the mineral balance in the plant cultivation substrate 300 days after seeding. The study consisted of five levels of saline water (0.8, 1.6, 2.4, 3.2 and 4.0 dS m-1) that were used for the irrigation of six different rootstock genotypes; on each the ‘Tahiti’ acid lime was grafted as scion. The rootstocks were five hybrids of 'Sunki' mandarin and one ‘Santa Cruz Rangpur’ lime plant, as control. The design consisted of randomized blocks with three replications and four plants per plot. The water salinity level treatments were applied starting 60 days after seeding (DAS) and continued until 300 DAS. The chemical contents of the soil and the total plant dry matter for the scion-rootstock combinations were determined. The increase in electrical conductivity of the irrigation water resulted in the accumulation of minerals in the substrate. The common hybrid of 'Sunki' mandarin (TSKC) × (Rangpur lime × Poncirus trifoliata) – 040 is the most tolerant to the salinity of irrigation water. The TSKC x 'Troyer' citrange – 012 hybrid is the most sensitive. Water with an electrical conductivity greater than 2.4 dS m-1 is not recommended for use with ‘Tahiti’ acid lime grafted onto rootstocks.
机译：水或土壤的盐度可能会干扰农作物的生长和生产，尤其是柑橘，这被认为对该非生物因子敏感。因此，重要的是选择耐性砧木和接穗-砧木组合的材料，并评估土壤中的盐分平衡。盐水灌溉对“大溪地”酸橙植物形成的影响[C． Latifolia（Yu。Tanaka）Tanaka]秧苗嫁接到杂交Sunki普通话的六种砧木基因型上[C.顺基（早））的短裤。评估]。播种后300天，评估植物的耐盐性和植物栽培基质中的矿物质平衡。该研究包括五个水平的盐水（0.8、1.6、2.4、3.2和4.0 dS m-1），用于灌溉六种不同砧木基因型。在每个“大溪地”酸性石灰上接枝成接穗。砧木是“ Sunki”普通话和一棵“ Santa Cruz Rangpur”石灰植物的五种杂种作为对照。该设计由每个图块具有三个重复和四个植物的随机区组组成。播种后60天（DAS）开始进行水盐度处理，一直持续到300 DAS。确定了接穗-砧木组合的土壤化学含量和植物总干物质。灌溉水电导率的增加导致底物中矿物质的积累。 'Sunki'普通话（TSKC）×（Rangpur石灰×Poncirus trifoliata）– 040的常见杂种最耐灌溉水的盐分。 TSKC x'Troyer'citrange – 012杂种最敏感。不建议将电导率大于2.4 dS m-1的水与嫁接到砧木上的“大溪地”酸石灰一起使用。

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