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Temperature sensitivity of food legumes: a physiological insight

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Title Temperature sensitivity of food legumes: a physiological insight
 
Creator Bhandari, Kalpna
 
Contributor Dev Sharma, Kamal
Rao, Bindumadhava
Siddique, Kadambot H M
Gaur, Pooran
Agrawal, Shiv Kumar
Nair, Ramakrishnan
Nayyar, Harsh
 
Subject molecular approach
physiological effects
temperature stress
osmolytes
food legumes
Soya bean
Lentil
Chickpea
 
Description Of the various environmental stresses that a
plant can experience, temperature has the widest and most
far-reaching effects on legumes. Temperature extremes,
both high (heat stress) and low (cold stress), are injurious to
plants at all stages of development, resulting in severe loss
of productivity. In response to unfavorable temperatures,
plant biomolecules such as stress proteins, enzymatic and
non-enzymatic antioxidants, organic osmolytes and phytohormones
come into play, usually, as a part of the plant
defense mechanisms. The accumulation of these molecules,
which may be useful as metabolic indicators of stress
tolerance, depend on the plant species exposed to the
temperature stress, its intensity and duration. Some of these
molecules such as osmolytes, non-enzymatic antioxidants
and phytohormones may be supplied exogenously to
improve temperature stress tolerance. Legumes show
varying degrees of sensitivity to high and low-temperature
stresses, which reduces their potential performance at
various developmental stages. To address the ever-fluctuating
temperature extremes that various legumes are being
constantly exposed, efforts are being made to develop
tolerant plant varieties via conventional breeding methods
as well as more recent molecular breeding techniques. In
this review, we describe the progress made towards the
adverse effects of abnormal temperatures on various
growth stages in legumes and propose appropriate strategies
to resolve these effects.
 
Date 2017-03-31
2017-03-21T07:37:58Z
2017-03-21T07:37:58Z
 
Type Journal Article
 
Identifier https://mel.cgiar.org/reporting/download/hash/Y3dMRjgy
Kalpna Bhandari, Kamal Dev Sharma, Bindumadhava Rao, Kadambot H M Siddique, Pooran Gaur, Shiv Kumar Agrawal, Ramakrishnan Nair, Harsh Nayyar. (31/3/2017). Temperature sensitivity of food legumes: a physiological insight. Acta Physiologiae Plantarum, 39: 68.
https://hdl.handle.net/20.500.11766/6515
Open access
 
Language en
 
Rights CC-BY-4.0
 
Format PDF
 
Publisher Springer (part of Springer Nature) (Springer Open Choice Hybrid Journals)
 
Source Acta Physiologiae Plantarum;39:68,(2017)