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Assimilates mobilization, stable canopy temperature and expression of expansin stabilizes grain weight in wheat cultivar LOK-1 under different soil moisture conditions

Overview of attention for article published in Botanical Studies, March 2017
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Title
Assimilates mobilization, stable canopy temperature and expression of expansin stabilizes grain weight in wheat cultivar LOK-1 under different soil moisture conditions
Published in
Botanical Studies, March 2017
DOI 10.1186/s40529-017-0169-7
Pubmed ID
Authors

Mahesh Kumar, Susheel Kumar Raina, Venkadasamy Govindasamy, Ajay Kumar Singh, Ram Lal Choudhary, Jagadish Rane, Paramjit Singh Minhas

Abstract

Grain yield of wheat is primarily determined by both grain number and grain weight, which often influence each other in response to environmental stimuli. Some of the genotypes are capable of maintaining high single grain weight (SGW) across the environments. Understanding mechanisms and factors associated with the superiority of such genotypes over others is necessary to enhance productivity of wheat. Experiments were conducted to elucidate the physiological basis of high SGW of LOK-1, a wheat cultivar grown in dry and hot environments in the central and peninsular zones of India. SGW of LOK-1 was least affected by removal of spikelets indicating little competition between the grains within the spike for assimilates. Reduction in SGW due to defoliation was less and the contribution of stem reserves to the grain development was high in LOK-1 relative to other cultivars. It seems that high level of expression of genes such as expansin (TaExpA6) contributes to the high SGW of LOK-1. Source was not a limiting factor for grain growth of LOK-1 in contrast to other cultivars, whereas sink appeared to be a limiting factor in recently released/identified cultivars. Differences in the amounts of water soluble stem carbohydrate reserves translocated to grain could be one of the factors contributing to higher grain weight in LOK-1. High level expression of TaExpA6, one of the genes contributing to the elongation of endosperm, seems to be crucial for grain growth in wheat.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 16 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 16 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 4 25%
Other 2 13%
Student > Doctoral Student 2 13%
Student > Ph. D. Student 2 13%
Lecturer 1 6%
Other 1 6%
Unknown 4 25%
Readers by discipline Count As %
Agricultural and Biological Sciences 7 44%
Business, Management and Accounting 2 13%
Biochemistry, Genetics and Molecular Biology 1 6%
Nursing and Health Professions 1 6%
Unknown 5 31%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 May 2017.
All research outputs
#9,118,050
of 10,393,133 outputs
Outputs from Botanical Studies
#62
of 91 outputs
Outputs of similar age
#218,674
of 262,874 outputs
Outputs of similar age from Botanical Studies
#5
of 6 outputs
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So far Altmetric has tracked 91 research outputs from this source. They receive a mean Attention Score of 2.1. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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