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首页> 外文期刊>Nematropica >Pathogenicity and Reproduction of Meloidogyne arenaria Races 1 and 2 and M. incognita Race 3 on Soybean
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Pathogenicity and Reproduction of Meloidogyne arenaria Races 1 and 2 and M. incognita Race 3 on Soybean

机译:大豆根结线虫第1和第2种族和隐隐支原体第3种族的致病性和繁殖

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Pathogenicity and reproduction of three South Carolina populations of Meloidogyne arenaria race 2 (designated Florence, Govan, and Pelion), a Florida population of M. arenaria race 1, and a South Carolina population of M. incognita race 3 were compared in greenhouse experiments on the soybean cultivars Centennial, Coker 6738, Coker 6847, Kirby, and Perrin. In one experiment, all race 2 populations of M. arenaria produced more galls, egg masses, and eggs per gram of fresh root than the race 1 population on all cultivars. The Florence and Govan populations exhibited greater reproduction than the Pelion population on Centennial, Coker 6738, and Kirby, and the Florence population had greater reproduction than the Govan population on Perrin. In another experiment, a series of six inoculum densities between 500 and 20 000 eggs per plant were used. At most inoculum levels, the Florence population of M. arenaria race 2 had nearly 10-fold greater reproduction on 'Davis' soybean than either M.
机译:在温室试验中比较了南卡罗莱纳州的两个南方根结线虫种族2(分别指定为佛罗伦萨,戈万和皮立翁山),佛罗里达州的沙门氏菌第1种族和南卡罗来纳州的南方根结线虫第3种族的致病性和繁殖。大豆品种Centennial,Coker 6738,Coker 6847,Kirby和Perrin。在一个实验中,沙棘分枝杆菌的所有第2种族种群都比所有品种的第1种族人口产生更多的胆汁,卵团和每克新鲜根卵。佛罗伦萨和戈万人口的繁殖力要高于百年纪念的皮立翁人,科克6738和柯比的人口,佛罗伦萨人口比佩林的戈万人口要繁殖得多。在另一个实验中,每株植物使用一系列六个接种密度,分别在500至20000个卵之间。在大多数接种水平下,佛罗伦沙门氏菌第2种种群在'戴维斯'大豆上的繁殖量比任何一种都高近10倍。

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