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首页> 外文期刊>Plant Pathology >Host suitability of Solanum torvum cultivars to Meloidogyne incognita and M.?javanica and population dynamics
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Host suitability of Solanum torvum cultivars to Meloidogyne incognita and M.?javanica and population dynamics

机译：Solanum Torvum品种对Meloidogyne Incognita和M.?javanica和人口动态的宿主适用性

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> Several experiments were carried out to assess the performance of commercial Solanum torvum cultivars against the root knot nematodes Meloidogyne incognita and M.?javanica in Spain. The response of S.?torvum rootstock cultivars Brutus, Espina, Salutamu and Torpedo against M.?incognita and Mi‐1.2 (a)virulent M.?javanica isolates was determined in pot experiments, and of ‘Brutus’ to an N‐ virulent isolate of M.?incognita , compared with that of the eggplant S.?melongena ‘Cristal’. The relationship between the initial and final population densities of M.?javanica on ungrafted and grafted ‘Cristal’ onto the S.?torvum ‘Brutus’ was assessed, together with the effect on dry shoot biomass. Finally, the population growth rate and the resistance level of the four S.?torvum cultivars against M.?incognita was assessed under plastic greenhouse conditions in two cropping seasons. All S.?torvum rootstocks responded as resistant to the M.?incognita isolates and from highly resistant to susceptible against M.?javanica isolates. The maximum multiplication rates of M.?javanica on the ungrafted or grafted eggplant were 270 and 49, respectively, and the equilibrium densities were 1318 and 2056 eggs and J2 per 100?cm 3 soil, respectively. The tolerance of the ungrafted eggplant was 10.9?J2 per 100?cm 3 soil, and the minimum relative dry shoot biomass was 0.76. The population growth rate of M.?incognita on eggplant cv. Cristal differed from that of the S.?torvum cultivars in both cropping seasons. These results suggest that S.?torvum is a valuable rootstock for managing the two Meloidogyne species irrespective of the (a)virulence status.
机译： > 进行了几次实验以评估商业的表现 Solanum torvum 对根结线虫的品种 meloidogyne incognita 和 m.?javanica 在西班牙。响应 s.?torvum rootstock栽培品种苞片，西班牙，salutamu和鱼雷反对 m.?incognita 和 mi-1.2 （a）毒性 m.?javanica 分离株在盆栽实验中确定，并'rutus'到一个 n - 毒性的孤立 m.?incognita ，与茄子相比 s.?melongena 'cristal'。初始和最终种群密度之间的关系 m.?javanica 在未解脱出来的并嫁接'cristal'上 s.?torvum “布鲁斯”被评估，以及对干芽生物质的影响。最后，人口增长率和四个阻力水平 s.?torvum 栽培品种 m.?incognita 在两个种植季节的塑料温室条件下评估。全部 s.?torvum rootstocks被反应为抗性 m.?incognita 隔离和从高度抗性易受影响 m.?javanica 隔离。最大乘法率 m.?javanica 在未移植或接枝的茄子上分别为270和49，平衡密度为1318和2056卵，每100厘米J2 3 土壤分别。未移植茄子的耐受性为10.9？J2每100？厘米 3 土壤，最小相对干芽生物质为0.76。人口增长率 m.?incognita 在茄子cv。 Cristal的差异不同 s.?torvum 两种种植季节的栽培品种。这些结果表明 s.?torvum 是一个管理两者的宝贵砧木 meloidogyne 物种，无论（a）毒力状态如何。

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