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首页> 外文期刊>Compost Science & Utilization >Composted municipal solid wastes promote growth of young citrus trees infested with Phytophthora nicotianae.
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Composted municipal solid wastes promote growth of young citrus trees infested with Phytophthora nicotianae.

机译：堆肥处理的城市固体废物促进了受烟草疫霉侵染的年轻柑橘树的生长。

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摘要

The potential for composted municipal solid waste (CMW) to suppress Phytophthora root rot and promote growth of Sunburst tangerine trees on Sun Chu Sha rootstock was evaluated in orchard soils infested with Phytophthora nicotianae and in soils not infested with this pathogen. The planting site for one-year-old trees was treated with two sources of CMW by either incorporating the CMW into the backfill at the time of planting (20% v/v) or by applying it as a mulch to the soil surface (20 tons/ha). Controls were not treated with CMW. One source of CMW increased the rate growth of tree trunks over 1.5 years as compared to the controls, regardless of infestation with P. nicotianae or the method of applications of CMW. Fibrous root weight of the trees over all treatments was significantly reduced by P. nicotianae infestation; however, fibrous root weights were greater on plots treated with CMW, regardless of the CMW source or its method of application. In spite of apparent damage from root rot, P. nicotianae was recovered infrequently from any treatment and populations were not reduced by CMW treatment.
机译：在被烟草疫霉菌侵染的果园土壤和未感染该病原菌的土壤中，评估了堆肥处理的城市固体废物（CMW）抑制疫霉根腐病并促进Sun Chu Sha砧木上森伯斯特橘树生长的潜力。用两种来源的CMW处理一岁树的种植地点，方法是在种植时将CMW掺入回填土中（20％v / v）或将其作为覆盖物施用于土壤表面（20吨/公顷）。对照未用CMW治疗。与对照相比，无论是用烟青假单胞菌侵染还是使用CMW的方法，一种CMW的来源都比对照增加了1.5年的树干生长速度。在整个处理过程中，烟草的侵染可显着降低树木的纤维根重。但是，无论使用CMW来源或其施用方法如何，使用CMW处理的地块的纤维根重均较大。尽管根腐病造成了明显的损害，但通过任何处理方法很少都能恢复到烟草疫霉菌，并且通过CMW处理不会减少种群。

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