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首页> 外文期刊>Acta Horticulturae >Evaluation of Chemigation Treatments on Premature Vine Senescence of Processing Tomatoes in the Sacramento Valley, California
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Evaluation of Chemigation Treatments on Premature Vine Senescence of Processing Tomatoes in the Sacramento Valley, California

机译：加利福尼亚萨克拉曼多谷地化学处理对番茄加工中葡萄过早衰老的评价

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摘要

Experiments were conducted in two Yolo County commercial processing tomato fields using buried drip irrigation in 2012 as a continuation of tests from the previous year with similar treatments but different fields. In one location, K-pam was applied through the drip tape to two treatments 5-7 weeks before planting. In one of the treatments with K-pam, Serenade Soil was injected into the drip tape four times during the season. Three applications of a combination of Quadris and Ridomil, four applications of Serenade Soil, four applications of potassium sulfate, and four applications of Actinovate, all applied through the drip tape, were included. In the other location, identical treatments were applied with the exception of Actinovate. At both locations, treatments included pre-plant-incorporation of well-aged, composted chicken manure at 10 or 20 t/acre. The second location received an additional, separate treatment with a different source of chicken manure. Soil cores were periodically collected from each plot. Verticillium propagules and total culturable fungi and bacteria were enumerated. DNA was extracted for later determination of soil microbial community structure and pathogen inoculum levels. Disease incidence was assessed prior to harvest,and nmples were processed in the lab to determine the disease-causing organisms. At one site, Verticillium wilt was widespread. At the second site, root knot nematode was prevalent; Verticillium and Fusarium wilts as well as Fusarium crown and root rot were common. Yields were generally increased in the plots with shallowly incorporated chicken manure but the incidence of disease was generally not affected by any treatment.
机译：作为上一年测试的延续，2012年在约洛县的两个商业加工番茄田中使用埋地滴灌进行了试验，采用了类似的处理方法，但田地不同。在播种前5-7周，通过滴灌带在一个地方施用K-pam两次处理。在使用K-pam的一种处理方法中，整个季节将Serenade Soil的土壤注入滴灌带四次。包括Quadris和Ridomil的组合的三个应用，小夜曲土壤的四个应用，硫酸钾的四个应用和放线酸的四个应用（均通过滴灌带施加）。在另一个地方，除放线肌酸外，均采用相同的治疗方法。在这两个地方，处理都包括在植株前掺入10或20吨/英亩的成熟的堆肥鸡粪。第二个地点接受了另一种不同来源的鸡粪单独处理。从每个样地定期收集土壤核心。列举了黄萎病菌，总的可培养真菌和细菌。提取DNA以便随后测定土壤微生物群落结构和病原体接种物水平。在收获之前评估疾病的发病率，并在实验室中对它们进行处理以确定致病生物。在一个地方，黄萎病很普遍。在第二个部位，根结线虫很普遍。黄萎病和枯萎病以及枯萎病冠和根腐病很常见。鸡粪含量较浅的地块的产量通常会增加，但疾病的发生率通常不受任何处理的影响。

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