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首页> 美国卫生研究院文献>Journal of Nematology >Management of Meloidogyne hapla in HerbaceousPerennial Ornamentals by Sanitation and Resistance
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Management of Meloidogyne hapla in HerbaceousPerennial Ornamentals by Sanitation and Resistance

机译：草本类根结线虫的管理多年生观赏植物的卫生和抗药性

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摘要

Meloidogyne hapla can be spread in bare-root herbaceous perennial propagation material and may be difficult to control once established in new fields or in the landscape. Root pruning of bare-root plants was investigated as a means of reducing spread and establishment of M. hapla. Plants previously inoculated with 10,000 eggs/plant were root-pruned to remove either a portion or most of the fibrous root system without removing underground stems, buds, tubers, or tuberous roots. Root pruning of Aconitum, Ajuga, Anemone, Geranium, and Trollius significantly reduced or eliminated M. hapla galls and egg production in plants 1 to 4 months after propagation. Planting M. hapla-resistant plants such as Rudbeckia and Aster into pots infested with 10,000 eggs/pot eliminated M. hapla populations after 2 to 6 months of growth. Tomato plants grown after Rudbeckia and Aster were free of galls and eggs, while bioassay tomatoes grown after susceptible plants such as Coreopsis, Primula, and Lobelia were heavily galled with a large number of egg masses. These results demonstrate the potential of sanitation and resistance for management of M. hapla in perennials.
机译：根结线虫可以在裸露的多年生草本植物繁殖材料中传播，一旦在新的田地或景观中建立起来，可能很难控制。对裸根植物的根修剪进行了研究，以减少其蔓延和建立M. hapla。对先前已接种10,000个卵的植物进行根修剪，以去除部分或大部分纤维状根系，而不会去除地下茎，芽，块茎或块茎根。繁殖后1到4个月，乌头，杜鹃花，海葵，天竺葵和金莲花的根修剪显着减少或消除了黑斑病菌胆汁和植物卵的产生。在生长2至6个月后，将抗黑斑病菌的植物（如黄金菊和紫苑）种植到盛有10,000个鸡蛋/盆的盆中，消除了黑斑病菌的种群。黄金菊和紫苑后生长的番茄植株无胆汁和卵，而易感植物如金鸡菊，报春花和山梗菜后生长的生物测定番茄大量含大量卵。这些结果证明了卫生和抗药性管理M的潜力。多年生的hapla 。

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