Overcoming biotic and abiotic stresses in the Solanaceae through grafting: current status and future perspectives

Keatinge, J. D. H.; Lin, Luke; Ebert, Andreas W.; Chen, W.Y.; Hughes, J.; Luther, G.; Wang, J.-F.; Ravishankar, M.

doi:10.1080/01448765.2014.964317

Cited by 68 publications

(48 citation statements)

References 48 publications

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“…This requires identifying a suitable combination of scion and rootstock with higher yield and resistances to abiotic and biotic stress while preserving the quality requirements of the fruit or vegetable. Although grafting is widely used in Asia, it is not widespread in Africa (Keatinge et al 2014). To introduce grafting systems in Africa, a vibrant and effective seedling system is needed, which is currently only the case in Ethiopia.…”

Section: Changes In Cropping Systems Induced By Protected Cultivationmentioning

confidence: 99%

Protected cultivation of vegetable crops in sub-Saharan Africa: limits and prospects for smallholders. A review

Nordey

Basset-Mens

Bon

et al. 2017

Agron. Sustain. Dev.

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Vegetable production in sub-Saharan Africa faces numerous agronomic constraints that will have to be overcome to feed the increasing population and to fight malnutrition. Technology transfer and the adoption of low-tech protected cultivation techniques affordable for smallholders are believed to be able to meet this challenge. Protected cultivation techniques are a set of agricultural practices aimed at artificializing the crop environment through the use of soil covers and/or plant covers to control pests and climatic conditions. Although protected cultivation techniques may increase the yield and quality of vegetable crops and extend their production periods worldwide, the transfer of these techniques in sub-Saharan Africa raises questions about their agronomical performances, their profitability but also their environmental impacts. Are low-tech protected cultivation techniques adapted to the sustainable production of vegetables by smallholders in sub-Saharan Africa? To answer this question, we present an overview of the agronomic, economic, and environmental performances of low-tech protected cultivation techniques in sub-Saharan Africa as reported in the literature. The major conclusions that can be drawn from the review are (1) low-tech protected cultivation techniques are not suitable in all climatic conditions in sub-Saharan Africa and need to be combined with other methods to ensure adequate pest control, (2) the profitability of protected cultivation techniques relies on the capacity to offset increased production costs by higher yields and higher selling prices to be obtained with off-season and/or higher quality products, (3) breaking with existing cropping systems, the lack of technical support and skills, and the limited access to investment funding are major obstacles to the adoption of protected cultivation techniques by smallholders (4) life cycle assessments conducted in northern countries suggested that more efficient use of agricultural inputs would offset the negative impacts of protected cultivation techniques if they are properly managed, but further studies are required to be sure these results can be extrapolated to sub-Saharan Africa context. (Résumé d'auteur

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Section: Changes In Cropping Systems Induced By Protected Cultivationmentioning

confidence: 99%

Protected cultivation of vegetable crops in sub-Saharan Africa: limits and prospects for smallholders. A review

Nordey

Basset-Mens

Bon

et al. 2017

Agron. Sustain. Dev.

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“…For example, Sanogo et al [51] observed a 140% increase in vascular wilt severity caused by Verticillium dahliae in waterlogged chili pepper (Capsicum annuum L.) plants compared to non-waterlogged plants. Flooding and soil-borne diseases can cause severe crop losses of tomato during the hot and wet summer months in the tropics [52]. Villarreal-Navarrete et al [6] also observed a greater progress of vascular wilt caused by FO in cape gooseberry under waterlogging conditions.…”

Section: Introductionmentioning

confidence: 96%

Physiological, Biochemical and Chlorophyll Fluorescence Parameters of Physalis Peruviana L. Seedlings Exposed to Different Short-Term Waterlogging Periods and Fusarium Wilt Infection

2019

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Cape gooseberry has coped with abiotic and biotic stresses such as prolonged waterlogging periods and vascular wilt in recent years. The aim of this study was to evaluate the influence of four waterlogging periods on stomatal conductance (gs), leaf water potential (Ψwf), plant growth, leaf photosynthetic pigments, malondialdehyde (MDA) production, proline content and chlorophyll fluorescence parameters in cape gooseberry plants infected with Fusarium oxysporum f. sp. physali (Foph). Two-month-old ecotype “Colombia” plants were arranged in a completely randomized factorial design in eight treatments: plants without waterlogging (control), plants with waterlogging for 4, 6 and 8 d with and without Foph, respectively. The area under the disease progress curve was higher in inoculated plants subjected to 6 and 8 d of waterlogging (55.25 and 64.25) compared to inoculated plants but without waterlogging (45.25). The results also showed a lower plant growth, gs, Ψwf, leaf photosynthetic pigments and chlorophyll fluorescence parameters (Fv/Fm, electron transport rate (ETR), Y (II) and qP) as waterlogging periods in plants with Foph increased. However, this group of plants showed a greater proline and malondialdehyde (MDA) accumulation and a higher NPQ. In conclusion, cape gooseberry shows a low acclimation to waterlogging conditions of more than 6 d in soils with Foph.

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“…Although vegetable grafting has been known for a long time, it is being used increasingly worldwide on Solanaceae and cucurbit crops (Kubota et al, 2008;Lee et al, 2010). The merits of vegetable grafting for increasing resistance to abiotic and biotic stress have been discussed in several recent reviews, which stressed its potential for tackling food security issues (Keatinge et al, 2014;Rouphael et al, 2018). The broad genetic diversity of the Solanaceae family has encouraged researchers to improve the performance of tomato plants (S. lycopersicum) by using different rootstocks from the same species (homografting), but also from different species (heterografting), such as eggplant (S. melongena), african eggplant (S. macrocarpon and S. aethiopicum), and wild species (S. torvum and S. integrifolium) (Lee and Oda, 2003).…”

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confidence: 99%

Impacts of Temperature and Rootstocks on Tomato Grafting Success Rates

Nordey¹,

Shem²,

Huat³

2020

horts

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Numerous studies have highlighted the merits of grafting to improve the performance of vegetable crops. However, the technique is hindered by several obstacles, including the synchronization of seedlings used as scions and rootstocks, and the effects of rootstocks and climatic conditions on grafting success rates. This study sought to gain insights into how such technical obstacles affect tomato grafting. An initial experiment conducted in a greenhouse set out to assess the relevance of using degree-days to predict the growth rates of seedlings used for grafting (i.e., stem diameters above cotyledons). The success rate for grafting a tomato variety (Tanya) on 10 different rootstocks from different species—namely tomato, eggplant, african eggplant, and a wild species—was assessed at different temperatures (i.e., 15, 20, 25, 30, 35, and 40 °C). The effects of grafting on plant vigor (i.e., fresh biomass), number of leaves, and plant height, and on the hydraulic conductivity of xylem vessels in the plant stem were assessed 2 weeks after grafting. The results show the advantage of using degree-days to predict the ready-to-graft stage of seedlings, as it reduced the discrepancy among trials. The grafting success rate was more than 90% at 15 and 20 °C, but decreased significantly with higher temperatures, down to 20% at 40 °C. Larger variations in growth rate for seedlings used as scions and rootstocks, a lower grafting success rate, and less vigor were recorded for heterografted plants than for homografted plants. The lower hydraulic conductivity measured in the stems of grafted plants, especially heterografted plants, was consistent with the lower plant vigor observed. Further studies are needed to investigate how grafting affects the hydraulic conductivity of xylem vessels in later developmental stages of grafted plants.

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Overcoming biotic and abiotic stresses in the Solanaceae through grafting: current status and future perspectives

Cited by 68 publications

References 48 publications

Protected cultivation of vegetable crops in sub-Saharan Africa: limits and prospects for smallholders. A review

Protected cultivation of vegetable crops in sub-Saharan Africa: limits and prospects for smallholders. A review

Physiological, Biochemical and Chlorophyll Fluorescence Parameters of Physalis Peruviana L. Seedlings Exposed to Different Short-Term Waterlogging Periods and Fusarium Wilt Infection

Impacts of Temperature and Rootstocks on Tomato Grafting Success Rates

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