LU Xin,ZHAO Dun-hou,GUAN Fa-chun,et al.Effects of Compound Bacterial Agents on Growth, Development and Yield of Soybean in Saline Alkali Soil[J].Soybean Science,2022,41(05):588-593.[doi:10.11861/j.issn.1000-9841.2022.05.0588]
复合菌剂添加对盐碱地大豆生长发育及产量的影响
- Title:
- Effects of Compound Bacterial Agents on Growth, Development and Yield of Soybean in Saline Alkali Soil
- Keywords:
- microbial agent; soybean; saline-alkali; yield; weeds
- 文献标志码:
- A
- 摘要:
- 为了明确复合菌剂在盐碱地大豆上的应用效果,以盆栽试验大豆品种吉育86为材料,研究复合菌剂接种对大豆表型性状、生理特性和产量的影响,为复合菌剂在盐碱地大豆上的应用提供理论基础。结果表明:复合菌剂的施用(BF处理)分别使出苗率和出苗势降低2.22%和6.67%,出现株高高于CK,而茎粗却低于CK的表现。BF处理在一节期、始荚期、鼓粒期的叶面积分别比CK高3.85%、5.78%和3.93%。而其叶绿素SPAD值在始荚期和鼓粒期与CK相比,先降低再升高。不同处理POD、SOD活性和MDA含量没有显著变化。BF处理的杂草的总密度、总盖度、总地上生物量分别比CK降低467.0株?m-2、11.94%和90.95 g。BF处理的单株茎秆干重、单株有效荚数、单株粒数和百粒重分别比CK高1.97 g、4.0、10.22和3.12 g,处理间差异不显著(P>0.05),但BF处理单株产量为10.71 g,显著高于对照(P<0.05)。因此,复合菌剂添加能够促进大豆植株的生长,并抑制杂草的生长,从而增加大豆产量。
- Abstract:
- In order to clarify the application effect of compound bacterial agent on soybean in saline alkali land, taking the pot experiment soybean variety Jiyu 86 as the material, the effects of compound bacterial agent inoculation on soybean phenotypic characters, physiological characteristics and yield were studied to provide theoretical basis for the application of compound bacterial agent on soybean in saline alkali land. The results showed that the application of compound bacterial agent reduced the seedling emergence rate and seedling emergence potential by 2.22% and 6.67%, respectively. The plant height and stem diameter of BF treatment were higher than CK, while the stem diameter was lower than CK. The leaf area of BF was 3.85%, 5.78% and 3.93% higher than that of CK at node stage, pod beginning stage and seed filling stage, respectively. Compared with CK, chlorophyll SPAD value of BF decreased firstly and then increased at the beginning of pod stage and seed filling stage. There were no significant changes in pod, SOD activity and MDA content in different treatments. The total density, total coverage and total aboveground biomass of weeds in BF were 467.0 plant?m-2, 11.94% and 90.95 g lower than those in CK, respectively. The stem dry weight per plant, effective pod number per plant, seed number per plant and 100-seed weight of BF were 1.97 g, 4.0, 10.22 and 3.12 g higher than CK respectively. There was no significant difference between treatments (P>0.05), but the yield per plant of BF treatment was 10.71 g, which was significantly higher than that of the control (P<0.05). Therefore, the addition of compound bacteria can promote the growth of soybean plants and inhibit the growth of weeds, so soybean yield was increased in the treatments.
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备注/Memo
收稿日期:2022-02-15