副黏土芽孢杆菌改善碱水灌溉水稻锌营养的效果

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-06-06 DOI:10.3390/soilsystems8020062

Awtar Singh, Arvind Kumar Rai, Madhu Choudhary, Arijit Barman, R. K. Fagodiya, Rajender Kumar Yadav, Prakash Kumar Jha, Pankaj Kumar Gupta

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引用次数: 0

摘要

在全球范围内，谷物生产中土壤缺锌是一个普遍问题，会影响多种作物的产量和营养价值。利用锌溶解菌对土壤中的锌进行生物增量是增加作物锌营养的一个很有前景的选择。本研究的目的是评估副溶锌芽孢杆菌在碱水灌溉造成的钠盐胁迫条件下提高水稻产量、锌营养和锌利用率的作用。处理包括：T1：对照；T2：基质；T3：副黏芽孢杆菌；T4：基质；T5：副黏芽孢杆菌：处理包括：T1：对照；T2：基质；T3：副黏芽孢杆菌；T4：对照（T1）+硫酸锌；T5：基质（T2）+硫酸锌；T6：副黏芽孢杆菌（T3）+硫酸锌。副黏土芽孢杆菌对水稻产量、锌含量和吸收率以及表观锌回收率均无影响。水稻插秧后 30 天和 60 天测量的不同锌含量也未受到副黏土芽孢杆菌接种的影响。此外，移栽 30 天后，对照地块的水稻根瘤层中存在相同数量的锌溶解菌，这表明本地根瘤层微生物群在锌营养中的重要性。结论是，在钠盐胁迫的水稻中施用副溶血性芽孢杆菌并没有在锌营养和产量方面带来额外的益处。在持续使用碱水灌溉的地区，还需要进一步调查，以提高作物的表观锌回收率。

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Effectiveness of Bacillus paramycoides for Improving Zinc Nutrition of Rice Irrigated with Alkali Water

Worldwide zinc deficiency in the soil under cereal production is a common problem affecting the yield and nutritional value of several crops. Bioaugmentation of soil zinc with zinc-solubilizing bacteria can be a promising option for increasing the zinc nutrition to crops. The objectives of the study were to evaluate Bacillus paramycoides for improving yield, zinc nutrition, and zinc availability in rice grown under sodicity stress caused by alkali water irrigation. Treatments included T1: control, T2: substrate, T3: Bacillus paramycoides, T4: control (T1) + zinc sulphate, T5: substrate (T2) + zinc sulphate, and T6: Bacillus paramycoides (T3) + zinc sulphate. Rice yield, zinc content, and uptake, and apparent zinc recovery were not altered by Bacillus paramycoides. The different fractions of zinc measured after 30 and 60 days after transplanting of the rice remain unaffected by the inoculation of Bacillus paramycoides. Further, an equal number of zinc-solubilizing bacteria present in the rice rhizosphere of control plots after 30 days of transplanting suggests the importance of the native rhizospheric microbiome in zinc nutrition. It is concluded that the application of Bacillus paramycoides in sodicity-stressed rice did not provided additional benefits in terms of zinc nutrition and yield. Further investigation will be required to improve the apparent zinc recovery of crops in those areas, where alkali water is continuously utilized for irrigation.

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.