Water use efficiency among dry bean landraces and cultivars in drought-stressed and non-stressed environments

Muñoz-Perea, Carlos Germán; Allen, Richard G.; Westermann, D. T.; Wright, James L.; Singh, Shree P.

doi:10.1007/s10681-006-9340-z

Cited by 55 publications

(57 citation statements)

References 31 publications

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“…The difference in haplotypes agree with variability in morphological trait where common bean cultivars were clustered into two major groups, one having predominantly Meso-American characteristics and the other having Andean characteristics [49]. Several physiological [50] and gene expression [51] studies in common bean reveal that the Andean gene pool were more sensitive to drought stress compared to Meso-American gene pool. The PIC value of all the eight SNPs was 0.47, which corresponds to the average PIC value of SNPs.…”

Section: Isolation Of Dreb2a Genes From Five Crop Speciessupporting

confidence: 65%

Isolation and sequence analysis of DREB2A homologues in three cereal and two legume species

et al. 2009

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Section: Isolation Of Dreb2a Genes From Five Crop Speciessupporting

confidence: 65%

Isolation and sequence analysis of DREB2A homologues in three cereal and two legume species

et al. 2009

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“…Experiments could account for different leaf areas, pot dry-down rates matched to field data [57] and, in the field, many row plots limiting competition with adjacent plots [62].…”

Section: Soil Water Deficit Avoidancementioning

confidence: 99%

Drought Adaptation Mechanisms Should Guide Experimental Design

Gilbert¹,

Medina²

2016

Trends in Plant Science

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The mechanism, or hypothesis, of how a plant might be adapted to drought should strongly influence experimental designs. For instance, an experiment testing for water conservation should be distinct from a damage tolerance evaluation. Here we define four new, general mechanisms for plant adaptation to drought, so that experiments can be more easily designed based upon the definitions. A series of experimental methods are suggested along with appropriate physiological measurements related to the drought adaptation mechanisms. The suggestion is made that the experimental manipulation should match the rate, length, and severity of soil water deficit needed to test the hypothesized type of drought adaptation mechanism.

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“…To date, there has been separate attempts by crop scientists [16][17][18][19][20][21][22] and nutritionists [11][12][13] to address the knowledge gap on legumes. These efforts have been disciplinary and the information is yet to be consolidated so as to make meaningful impact on policy.…”

Section: Introductionmentioning

confidence: 99%

Expounding the Value of Grain Legumes in the Semi- and Arid Tropics

2017

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Approximately 70% of the population in the semi-and arid tropics reside in rural areas and depend on agriculture for their livelihood. Crop production is primarily focused on a few starchy staple crops. While this can ensure adequate calories, it inadvertently neglects the need for dietary diversity. Consequently, food and nutritional insecurity remains prevalent in the semi-and arid tropics. We reviewed the legume value chain with the aim to identify opportunities and challenges to unlocking their value and promoting them in the tropics. Several grain legumes are rich in proteins and micronutrients. They also possess adaptability to marginal environmental conditions such as drought and low input systems which typify rural landscapes. Adaptability to abiotic stresses such as drought makes them key to agriculture in areas that will receive less rainfall in the future. However, this potential was currently not being realized due to a range of challenges. Aspects related to their seed systems, production, post-harvest handling and marketing remain relatively under-researched. This was especially true for minor legumes. There is a need for transdisciplinary research which will address the entire value chain, as has been done for major starchy crops. This could also unlock significant economic opportunities for marginalized groups such as women. This will unlock their value and allow them to contribute meaningfully to food and nutrition security as well as sustainable and resilient cropping systems.

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Water use efficiency among dry bean landraces and cultivars in drought-stressed and non-stressed environments

Cited by 55 publications

References 31 publications

Isolation and sequence analysis of DREB2A homologues in three cereal and two legume species

Isolation and sequence analysis of DREB2A homologues in three cereal and two legume species

Drought Adaptation Mechanisms Should Guide Experimental Design

Expounding the Value of Grain Legumes in the Semi- and Arid Tropics

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