论文部分内容阅读
比较了不同丛枝菌根真菌(Arbuscular mycorrhizal fungi,AMF)接种状况[不接种(NM)、接种Glomus mosseae(GM)、接种Glomus etunicatum(GE)]和玉米/大豆间作体系不同根系分隔方式(不分隔,隔尼龙网,隔塑料布)对大豆植株生长及磷素吸收累积的影响。结果表明:接种GM和GE处理下的间作大豆根系侵染率在不同根系分隔方式之间无显著差异,接种AMF抑制了间作大豆根系的伸长,其中接种GM处理能使大豆生物量显著提高,并在根系不分隔处理下使大豆对磷素吸收较多而生长较好,接种GE真菌则不能促进大豆对磷素的积累。间作体系不同根系分隔方式对大豆的影响也不同,其中大豆的根系长度在隔塑料布处理下最短,大豆生物量在根系分隔处理下均大于不分隔处理,根系不分隔处理能够较好的促进大豆对磷素的积累。所有复合处理中,以GM-不分隔处理组合对间作大豆的生长及磷素累积的促进作用最好。
Comparison of AMF inoculation (NM, Glomus mosseae (GM), Glomus etunicatum (GE)) and root / shoot intercropping system (AMF) Separated, separated by nylon net, every other plastic sheeting) on plant growth and phosphorus uptake and accumulation. The results showed that there was no significant difference in the root infection rates of intercropped soybean under inoculation GM and GE treatments. AMF inoculation inhibited the elongation of intercropped soybean roots. The inoculation GM treatment could significantly increase soybean biomass, Under the condition of non-segregation of roots, soybean could absorb phosphorus more and grew better. Inoculation of GE fungi could not promote the accumulation of phosphorus in soybean. The effects of different root partitioning methods on soybean were different. The root length of soybean was the shortest under the treatments of plastic sheeting, the biomass of soybean was greater than that of non-separation under root separation, and the root separation without isolation could promote the growth of soybean Accumulation of phosphorus. In all treatments, GM-inseparable combination had the best effect on the growth and phosphorus accumulation of intercropped soybean.