Effect of Mutagens on the Proximate, Mineral and Anti-nutrient Composition of Phaseolus lunatus L. Seeds

Ikani, Victor Onuche; Bashir, Abdulmalik Yusuf; Ibrahim, Z. A. A.

doi:10.3923/ajbs.2019.457.461

Cited by 2 publications

(2 citation statements)

References 5 publications

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“…Even though the routine use of artificial doubling of chromosome complements in legumes remains highly improbable, especially due to the recalcitrance in crops such as soybean, cowpea and faba bean, the effect of induced polyploidy in leguminous crops, as compared to other non-leguminous crop species, and the possible differential response of polyploidised varieties to environmental constraints will still present major challenges. This group of dicot crops overwhelmingly appear to fail in responding better to genetic improvement protocols, especially under the changing climatic conditions, because of the lack of routine and effective breeding systems [1][2][3][4][5]50,68]. While genetic engineering and induced polyploidisation continue to seem unachievable, stable and efficiently reproducible protocols for the development of legume polyploids remain a prerequisite to deal with the adverse effects of drought stress.…”

Section: Ploidy Stability Under Drought Stress Conditionsmentioning

confidence: 99%

Colchicine-Induced Polyploidy in Leguminous Crops Enhances Morpho-Physiological Characteristics for Drought Stress Tolerance

Mangena,

Mushadu

2023

Life

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Legumes play a significant role in the alleviation of food insecurity, maintaining soil fertility, and achieving sustainable crop production under adverse environmental conditions. The increased demand in legume production contemplates that attention on the genetic improvement of these crops through various means such as genetic engineering and mutation breeding should take a centre stage in global agriculture. Therefore, this paper provides a succinct analysis of the currently available literature on morphological and physiological traits in polyploidised leguminous plants to counter the adverse effects of drought stress. The effects of colchicine on various morphological and physiological traits of polyploidised legumes compared to their diploid counterparts were examined. Numerous reports revealed variations in these traits, such as improved root and shoot growth, plant biomass, chloroplastidic content, protein, RNA, and DNA. The differences observed were also associated with the strong relationship between plant ploidy induction and colchicine application. Furthermore, the analysis indicated that polyploidisation remains dose-dependent and may be achievable within a shorter space of time as this antimitotic chemical interferes with chromosome separations in somatic plant cells. The efficiency of this process also depends on the advancement of treatment conditions (in vitro, in vivo, or ex vitro) and the successful regeneration of polyploidised plants for adaptation under drought stress conditions. As such, the improvement in metabolite profile and other essential growth characteristics serves as a clear indication that induced polyploidy needs to be further explored to confer resilience to environmental stress and improve crop yield under drought stress conditions in leguminous plants.

show abstract

Section: Ploidy Stability Under Drought Stress Conditionsmentioning

confidence: 99%

Colchicine-Induced Polyploidy in Leguminous Crops Enhances Morpho-Physiological Characteristics for Drought Stress Tolerance

Mangena,

Mushadu

2023

Life

View full text Add to dashboard Cite

show abstract

“…The effect of induced polyploidy in leguminous crops, as compared to other nonleguminous crop species, and the possible differential response of polyploidised varieties to environmental constraints will still presents major challenges. This group of dicot crops overwhelmingly appear to fail in responding better to genetic improvement protocols, especially under the changing climatic conditions, because of the lack of routine and effective breeding systems [1][2][3][4][5]50,68]. While genetic engineering and induced-polyploidisation continue to seem unachievable, stable and efficiently reproducible protocols for the development of legume polyploids remains a prerequisite to deal with the adverse effects of drought stress.…”

Section: Ploidy Stability Under Drought Stress Conditionsmentioning

confidence: 99%

Colchicine-Induced Polyploidy in Leguminous Crops Enhances Morpho-Physiological Characteristics for Drought Stress Tolerance

Mangena,

Mushadu

2023

Preprint

View full text Add to dashboard Cite

Legumes play a significant role in the alleviation of food insecurity, maintaining soil fertility and achieving sustainable crop production under adverse environmental conditions. The increased demand in legume production contemplates that attention on the genetic improvement of these crops through various means such as genetic engineering and mutation breeding should take a centre stage in global agriculture. Therefore, this paper provides succinct analysis of currently available literature on morphological and physiological traits in polyploidised leguminous plants to counter the adverse effects of drought stress. The effects of colchicine on various morphological and physiological traits of polyploidised legumes compared to their diploid counterparts were examined. Numerous reports revealed variations in these traits such as improved root and shoot growth, plant biomass, chloroplastidic content, protein, RNA and DNA. The differences observed were also associated with the strong relationship between plant ploidy-induction and colchicine application. Furthermore, the analysis indicated that polyploidisation remains dose-dependent, and may be achievable at a shorter space of time as this antimitotic chemical interferes with chromosome separations in somatic plant cells. The efficiency of this process also depends on the advancement of treatment conditions (in vitro, in vivo or ex vitro) and successful regeneration of polyploidised plants for adaptation under drought stress conditions. As such, the improvement in metabolite profile and other essential growth characteristics serves as a clear indication that induced polyploidy needs to be further explored to confer resilience to environmental stress, and improve crop yield under drought stress conditions in leguminous plants.

show abstract

Effect of Mutagens on the Proximate, Mineral and Anti-nutrient Composition of Phaseolus lunatus L. Seeds

Cited by 2 publications

References 5 publications

Colchicine-Induced Polyploidy in Leguminous Crops Enhances Morpho-Physiological Characteristics for Drought Stress Tolerance

Colchicine-Induced Polyploidy in Leguminous Crops Enhances Morpho-Physiological Characteristics for Drought Stress Tolerance

Colchicine-Induced Polyploidy in Leguminous Crops Enhances Morpho-Physiological Characteristics for Drought Stress Tolerance

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