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首页> 外文期刊>Journal American Pomological Society >A comparison of root distribution patterns among Prunus rootstocks.
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A comparison of root distribution patterns among Prunus rootstocks.

机译：李砧木根系分布格局的比较。

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Root distribution was compared among Prunus rootstocks budded to 'Montmorency' tart cherry (Prunus cerasus L.) and 'Redhaven' peach (Prunus persica [L.] Batsch) and grown at the Kaysville, Utah location of the multi-site NC-140 Regional Rootstock Research Project. Sampling was carried out on replicate trees with the rootstocks selected based on industry importance and to represent a wide range of tree sizes. Ten-year-old cherry trees on Mahaleb, GiselaReg. 5, GiselaReg. 6 and Weiroot 158 rootstocks, and 5-year-old peach trees on Bailey, CadamanReg., Controller 5, KrymskReg. 1 and Lovell rootstocks were examined. Root distribution was determined using a soil core sampling technique. Tree roots were separated from the soil cores, assigned to one of three size classes, dried and weighed. Data were analyzed by standard analysis of variance to determine main effects and interactions of rootstock, sampling depth and location. Total root biomass distribution differed significantly among peach but not cherry rootstocks. However, differences in root mass were noted at the different sampling locations around the tree and depths in the soil profile. Most roots were located within the tree row and distribution of roots perpendicular to the tree row were primarily located within the herbicide strip. The degree of lateral root distribution of the five peach rootstocks was not proportional to trunk diameter or tree biomass. These results indicate that a relatively simple soil core sampling technique is sufficient to detect root distribution differences among rootstock cultivars.
机译：比较了发芽到“蒙莫朗西”酸樱桃（ L.）和“雷德黑文”桃（ Prunus persica ）的李砧木的根系分布[ L.] Batsch），并在多站点NC-140区域性砧木研究项目的犹他州凯斯维尔地区长大。在复制树上进行采样，并根据行业重要性选择了砧木，以代表各种树木大小。吉塞拉（GiselaReg）马哈勒布（Mahaleb）的十岁樱桃树。 5，吉塞拉州。 6和Weiroot 158砧木，以及位于CadamanReg。，控制器5，KrymskReg的Bailey的5岁桃树。 1和Lovell砧木进行了检查。使用土壤芯采样技术确定根系分布。将树根与土壤核心分开，分为三个大小等级之一，干燥并称重。通过标准方差分析对数据进行分析，以确定砧木，取样深度和位置的主要影响和相互作用。桃的砧木总根生物量分布差异显着，而樱桃砧木则无差异。但是，在树木周围的不同采样位置和土壤剖面的深度中，都注意到了根质量的差异。大多数根位于树行内，垂直于树行的根分布主要位于除草剂条带内。五种桃砧木的侧根分布程度与树干直径或树木生物量不成比例。这些结果表明，相对简单的土壤核心采样技术足以检测砧木品种之间的根系分布差异。

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