Growth, yield and quality of spring tomato and physicochemical properties of medium in a tomato/garlic intercropping system under plastic tunnel organic medium cultivation

Liu, Tongjin; Cheng, Zhihui; Meng, Huanwen; Ahmad, Imran; Zhao, Haitao

doi:10.1016/j.scienta.2014.02.039

Cited by 65 publications

(43 citation statements)

References 20 publications

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“…It indicated that the green garlic/cucumber cropping system is an efficient cropping system for sustainable cucumber production and can alleviate soil sickness to some extent. The results were supported by previous findings that multi-cropping with garlic had a stimulatory effect on the growth and yield of eggplant, tomato, and cucumber [39,44,59]. However, the yields of green garlic decreased with the increasing number of green garlic bulbs planted in the crop rotation system, which confirmed the guideline that yields of garlic linearly respond to plant density in that yield decreases with the increase in plant density [60,61].…”

Section: Effects Of a Three-year Green Garlic/cucumber Crop Rotation supporting

confidence: 88%

Dynamics of a Soil Fungal Community in a Three-Year Green Garlic/Cucumber Crop Rotation System in Northwest China

2018

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Abstract:A decreased soil biological environment in terms of an unstable microbial population and diversity index is primarily caused by intensive continuous cropping systems. In this study, a crop rotation system was established to evaluate the soil fungal diversity using a pyrosequencing-based analysis during three successive growing seasons (2013, 2014, and 2015) under a field pot investigation. We found that overall green garlic/cucumber rotational effects increased cucumber productivity under these growing practices. Analysis of fungal communities in rhizosphere soils by high-throughput pyrosequencing showed that the estimated treatment effects were more obvious during the three-year trials, and OTU richness was much higher than the control in cucumber-planted soils. The relative frequencies of fungal diversity showed variable responses before and after rotation practices, and mainly α-diversity of fungi increased in garlic planted soil and again decreased after cucumber planted soil in each year. The phylogenetic classification illustrated that the fungal communities were dominated by the taxa Ascomycota, Basidiomycota, Chytridiomycota, Glomeromycota, and Zygomycota across all samples. Particularly, the relative abundance of the taxon Ascomycota was largely and predominantly enriched with the increasing number of garlic bulbs during the three years. Moreover, the majority of abundant taxa positively correlated with available P and K contents, while being highly negatively correlated with soil pH, EC, and SOC. These results indicate that garlic-cucumber-based crop rotations induce fungal richness and diversity and promote the sustainability of agricultural ecosystems, thus enhancing crop growth and production.

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Section: Effects Of a Three-year Green Garlic/cucumber Crop Rotation supporting

confidence: 88%

Dynamics of a Soil Fungal Community in a Three-Year Green Garlic/Cucumber Crop Rotation System in Northwest China

2018

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“…Garlic has been recognized as a good preceding crop in agriculture production for its beneficial allelopathic effects on alleviating the obstacles to continuous cropping, such as enhancing soil fertility by changing nutrient levels, soil enzymatic activity and microbial community composition, alleviating soil sickness, and improving crop quality and yield123456. A previous study reported that plant chlorophyll content, photosynthetic rate and antioxidant enzyme activities could also be improved through intercropping with garlic7.…”

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confidence: 99%

Transcriptomic insights into the allelopathic effects of the garlic allelochemical diallyl disulfide on tomato roots

Cheng

Meng

2016

Sci Rep

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Garlic is an allelopathic crop that can alleviate the obstacles to continuous cropping of vegetable crops. Diallyl disulfide (DADS), one of the most important allelochemicals in garlic, promotes tomato root growth. Therefore, the global transcriptome profiles of DADS-treated tomato roots over time were investigated to reveal the potential growth-promoting mechanisms. We detected 1828, 1296 and 1190 differentially expressed genes (DEGs) in the 4, 24 and 48 h samples, respectively. Most DEGs involved in assimilatory sulfate reduction and glutathione metabolism were up-regulated after short-term (4 h) DADS treatment. In addition, increased activity of defensive enzymes and up-regulation of six peroxidase genes were observed, suggesting that DADS could induce tomato resistance. In plant-pathogen interactions, DEGs related to calcium signaling were primarily inhibited, while those encoding pathogenesis-related proteins were primarily up-regulated. Although plant hormone synthesis and signal transduction were both significantly affected by DADS, the expression trends of the genes in these two pathways were conflicting. This research provides comprehensive information concerning the changes in the tomato root transcriptome affected by DADS and may help direct further studies on DADS-responsive genes to enhance the current understanding of the mechanisms by which DADS alleviates the obstacles to continuous cropping.

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“…In this way, it seems that there was an inter specific competition between the cherry tomato and the cowpea bean for resources such as space and light, which affected the yield of the cherry tomato. Liu, Cheng, Meng, Ahmad, and Zhao (2014) observed that tomato-garlic intercropping had a negative impact on tomato productivity because of the competition between plants for water, space and nutrition. According to Sakai et al (2011) lettuce intercropped with green manure had lower yields compared to single lettuce cultivation.…”

Section: Resultsmentioning

confidence: 99%

<b>Organic cherry tomato yield and quality as affect by intercropping green manure

et al. 2018

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Growth, yield and quality of spring tomato and physicochemical properties of medium in a tomato/garlic intercropping system under plastic tunnel organic medium cultivation

Cited by 65 publications

References 20 publications

Dynamics of a Soil Fungal Community in a Three-Year Green Garlic/Cucumber Crop Rotation System in Northwest China

Dynamics of a Soil Fungal Community in a Three-Year Green Garlic/Cucumber Crop Rotation System in Northwest China

Transcriptomic insights into the allelopathic effects of the garlic allelochemical diallyl disulfide on tomato roots

<b>Organic cherry tomato yield and quality as affect by intercropping green manure

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