Effect of Foliar Application of Glycinebetaine on Yield Components of Drought-Stressed Tobacco Plants

Agboma, P. C.; Peltonen‐Sainio, Pirjo; Hinkkanen, Riitta; Pehu, Eija

doi:10.1017/s0014479797003062

Cited by 39 publications

(27 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In contrast, Naidu, et al (1998) reported a highly significant role of supplied GB in increasing the yield of cotton. However, the positive effects of foliar spray of GB 100-achene weight of sunflower lines grown under water limited environment as observed in the present study has also been however also reported in different crops such as tomato (Makela, et al, 1998), tobacco (Agboma, et al, 1997b), maize (Agboma, et al, 1997a), cotton (Gorham, et al, 2000) and wheat (Diaz-Zarita, et al, 2001). There are however, some contrasting reports indicating no effect of supplied GB on yield of wheat (Agboma, et al, 1997a) and cotton (Meek, et al, 2003).…”

Section: Discussionsupporting

confidence: 76%

Influence of water stress and exogenous glycinebetaine on sunflower achene weight and oil percentage

Iqbal

Ashraf

2005

Int. J. Environ. Sci. Technol.

View full text Add to dashboard Cite

The study was carried out to assess whether exogenously applied glycinebtaine has any role in reducing the adverse effects of water stress on sunflower achene yield and oil contents. Two sunflower lines, Gulshan-98 and Suncross were subjected to water stress at the vegetative and reproductive stages of plant growth. Three levels of glycinebtaine (0, 50 and 100 mM) were applied before sowing (seed treatment) and at the time of initiation of stress at the vegetative and reproductive stages. A marked adverse effect of water stress on 100-achene weight and achene oil contents were observed in both sunflower lines. Exogenous supply of glycinebtaine was not effective in alleviating the adverse effects of water stress on achene oil percentage. Foliar spray of glycinebtaine, however, significantly reduced the negative effects of water stress on achene weight. Seed treatment with either level of glycinebtaine was not effective in increasing the 100-achene weight and achene oil percentage under both normally irrigated and water stress conditions. The sunflower line, Suncross produced higher oil yield than that of Gulshan-98.

show abstract

Section: Discussionsupporting

confidence: 76%

Influence of water stress and exogenous glycinebetaine on sunflower achene weight and oil percentage

Iqbal

Ashraf

2005

Int. J. Environ. Sci. Technol.

View full text Add to dashboard Cite

show abstract

“…All the higher plants do not have the capacity to accumulate GB [39]. Evidence reveals that soybean is normally a low-accumulator of GB [43], with an average content less than 5 μmol/g dry weights [44]. Foliar application of GB could increase its content in soybean plant up to 60 μmol/g dry weights, leading to an improvement in photosynthesis activity, nitrogen fixation, leaf area development, and seed yield of both well irrigated and drought-stressed soybean plants [45, 46].…”

Section: Exogeneous Application Of Gb In Plants Enhancing Abiotic Stressmentioning

confidence: 99%

Compatible Solute Engineering in Plants for Abiotic Stress Tolerance - Role of Glycine Betaine

Wani¹,

Singh²,

Haribhushan³

et al. 2013

226

View full text Add to dashboard Cite

Abiotic stresses collectively are responsible for crop losses worldwide. Among these, drought and salinity are the most destructive. Different strategies have been proposed for management of these stresses. Being a complex trait, conventional breeding approaches have resulted in less success. Biotechnology has emerged as an additional and novel tool for deciphering the mechanism behind these stresses. The role of compatible solutes in abiotic stress tolerance has been studied extensively. Osmotic adjustment, at the physiological level, is an adaptive mechanism involved in drought or salinity tolerance, which permits the maintenance of turgor under conditions of water deficit, as it can counteract the effects of a rapid decline in leaf water potential. Increasing evidence from a series of in vivo and in vitro studies of the physiology, biochemistry, genetics, and molecular biology of plants suggest strongly that Glycine Betaine (GB) performs an important function in plants subjected to environmental stresses. It plays an adaptive role in mediating osmotic adjustment and protecting the sub-cellular structures in stressed plants, protection of the transcriptional and translational machineries and intervention as a molecular chaperone in the refolding of enzymes. Many important crops like rice do not accumulate glycinebetaine under stress conditions. Both the exogenous application of GB and the genetically engineered biosynthesis of GB in such crops is a promising strategy to increase stress tolerance. In this review we will discuss the importance of GB for abiotic stress tolerance in plants. Further, strategies like exogenic application and transgenic development of plants accumulating GB will be also be discussed. Work done on exogenic application and genetically engineered biosynthesis of GB will be listed and its advantages and limitations will be described.

show abstract

“…It is well established that its exogenous application might have some advantages as it improves drought tolerance in plants (Agboma et al 1997;Gorham et al 2000;Iqbal et al 2008;Mahmood et al 2009). It has been also reported earlier that rate and timing of GB application significantly affects drought tolerance ability of sunflower (Iqbal et al 2008(Iqbal et al , 2009).…”

Section: Introductionmentioning

confidence: 99%

“…It has been also reported earlier that rate and timing of GB application significantly affects drought tolerance ability of sunflower (Iqbal et al 2008(Iqbal et al , 2009). This shot-gun approach of exogenous application of GB has been used to increase the drought tolerance in some other crop species (Agboma et al 1997;Makela et al 1998;Gorham et al 2000).…”

Section: Introductionmentioning

confidence: 99%

Modulation of endogenous levels of some key organic metabolites by exogenous application of glycine betaine in drought stressed plants of sunflower (Helianthus annuus L.)

Iqbal

Ashraf

2010

Plant Growth Regul

View full text Add to dashboard Cite

The present study was conducted to examine the changes in some key metabolites in drought-stressed sunflower plants supplied with glycine betaine externally. Imposition of drought stress at the vegetative or reproductive growth stages decreased the plant dry matter production and increased the accumulation of organic solutes (glycine betaine, proline, soluble proteins, free amino acids and soluble sugars) in two sunflower lines, i.e., Glushan-98 and Suncross. In general, decrease in dry matter production and increase in the endogenous levels of organic solutes, were more pronounced when drought stress applied at the vegetative stage than at the reproductive stage. Glycine betaine applied as a pre-sowing seed treatment was not found to be effective in reducing the negative effects of drought stress in sunflower plants. Foliar application of GB further enhanced the leaf endogenous levels of GB, soluble proteins and total soluble sugars in drought stressed plants without exerting any negative effects on other osmotica. However, this GB-induced increase in endogenous levels of organic solutes was found to be not associated with plant dry matter production under stress conditions.

show abstract

Effect of Foliar Application of Glycinebetaine on Yield Components of Drought-Stressed Tobacco Plants

Cited by 39 publications

References 9 publications

Influence of water stress and exogenous glycinebetaine on sunflower achene weight and oil percentage

Influence of water stress and exogenous glycinebetaine on sunflower achene weight and oil percentage

Compatible Solute Engineering in Plants for Abiotic Stress Tolerance - Role of Glycine Betaine

Modulation of endogenous levels of some key organic metabolites by exogenous application of glycine betaine in drought stressed plants of sunflower (Helianthus annuus L.)

Contact Info

Product

Resources

About