A decade’s (2014–2024) perspective on cassava’s (<i>Manihot esculenta</i> Crantz) contribution to the global hydrogen cyanide load in the environment

Itoba-Tombo, Elie Fereche; Ntwampe, Seteno Karabo Obed; Bell, Jonathan James Andrew; Mudumbi, John Baptist Nzukizi; Golela, Tolbert Mhlangabezi

doi:10.1080/00207233.2016.1227209

Cited by 5 publications

(6 citation statements)

References 32 publications

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“…Previous studies revealed that pests attacks such as those from; hornworms, mites, whiteflies, mealybugs, lacebugs, etc. are prone to tropical areas [7], [12]- [15].…”

Section: A Climate Changementioning

confidence: 99%

“…Thus, South Africa is not exempt from climate change effects. In recent years the country (SA) has been experiencing drastic changes in its weather patterns due to climate change and global warming [7], [15].…”

Section: A Climate Changementioning

confidence: 99%

“…Despite the fact that cassava crop is highly cultivated in Africa, Asia and South America as it is a main staple food for the communities due to its nutritional and dietary values [6], [7]; there is an increasing and industrial production of the cultivar mostly for bioenergy production due to an ever increasing energy demand in developing countries [7]- [11]. Thus, a study by [7] revealed an increase in a global cassava production trend of 13% to 55% amid 2002-2013. Worldwide in general and in countries situated within the tropics in particular, cassava cultivation is hampered by an invasion of a variety of pests i.e.…”

mentioning

confidence: 99%

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Potential Challenges of Cassava Cultivation in South Africa

2019

SETWM-19, ACBES-19, EEHSS-19 Nov. 18-19, 2019 Johannesburg (South Africa)

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“…Previous studies revealed that pests attacks such as those from; hornworms, mites, whiteflies, mealybugs, lacebugs, etc. are prone to tropical areas [7], [12]- [15].…”

Section: A Climate Changementioning

confidence: 99%

Section: A Climate Changementioning

confidence: 99%

mentioning

confidence: 99%

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Potential Challenges of Cassava Cultivation in South Africa

2019

SETWM-19, ACBES-19, EEHSS-19 Nov. 18-19, 2019 Johannesburg (South Africa)

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“…Crop species can suffer up to a 50% yield loss if a drought event occurs at the reproductive growth stage and these drought events are often further complicated by heat and other environmental stresses, such as salinity, which often occur in tandem. Drought can also alter plant nutrition and a striking example of this occurs in cassava and sorghum, which are high in cyanide content when drought‐stressed . Keeping the focus on yields in this review, a drought risk assessment was completed for world crop production by integrating historical crop yields and meteorological drought.…”

Section: Introductionmentioning

confidence: 99%

“…Drought can also alter plant nutrition and a striking example of this occurs in cassava and sorghum, which are high in cyanide content when drought-stressed. 8,9 Keeping the focus on yields in this review, a drought risk assessment was completed for world crop production by integrating historical crop yields and meteorological drought. Strikingly, a prediction of drought-related yield reduction for major crops will increase by >50% by 2050, and by almost 90% by 2100.…”

Section: Introductionmentioning

confidence: 99%

Targeting carbon for crop yield and drought resilience

Griffiths

Paul

2017

J Sci Food Agric

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Current methods of crop improvement are not keeping pace with projected increases in population growth. Breeding, focused around key traits of stem height and disease resistance, delivered the step‐change yield improvements of the green revolution of the 1960s. However, subsequently, yield increases through conventional breeding have been below the projected requirement of 2.4% per year required by 2050. Genetic modification (GM) mainly for herbicide tolerance and insect resistance has been transformational, akin to a second green revolution, although GM has yet to make major inroads into intrinsic yield processes themselves. Drought imposes the major restriction on crop yields globally but, as yet, has not benefited substantially from genetic improvement and still presents a major challenge to agriculture. Much still has to be learnt about the complex process of how drought limits yield and what should be targeted. Mechanisms of drought adaptation from the natural environment cannot be taken into crops without significant modification for the agricultural environment because mechanisms of drought tolerance are often in contrast with mechanisms of high productivity required in agriculture. However, through convergence of fundamental and translational science, it would appear that a mechanism of sucrose allocation in crops can be modified for both productivity and resilience to drought and other stresses. Recent publications show how this mechanism can be targeted by GM, natural variation and a new chemical approach. Here, with an emphasis on drought, we highlight how understanding fundamental science about how crops grow, develop and what limits their growth and yield can be combined with targeted genetic selection and pioneering chemical intervention technology for transformational yield improvements. © 2017 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

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