Response of Lentil to Thiourea Application under Rain Fed Conditions of Central India

Singh, Ravindra

doi:10.20546/ijcmas.2017.603.289

Cited by 13 publications

(6 citation statements)

References 3 publications

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“…In this study, foliar application of thiourea and PGPRs were applied on onion crop when 50% umbel had started flowering. Results showed maximum number of scapes per plant under TU treatment because TU improves the total chlorophyll and net photosynthesis and starch content in the leaves (Singh and Singh 2017). The highest number of scape per plant were also reported by Uddin et al (2019) in Allium tuberosum under the TU treatment as compared to control that corresponds to our findings.…”

Section: Discussionsupporting

confidence: 91%

“…By reducing oxidative damage and limiting membrane permeability, TU also mitigates the negative effects of abiotic factors, such as high temperatures, droughts, and salinity stress (Srivastava et al 2010;Kaya et al 2015;Nouman and Aziz 2022). A biological substance called thiourea keeps the photoassimilates translocation continuing and improves the source-sink relationship (Srivastava et al 2011;Singh and Singh 2017).…”

Section: Introductionmentioning

confidence: 99%

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Onion Seed Production as Influenced by Foliar Application of Thiourea and PGPRS at Post-Anthesis Stage

2024

Agrobiol. Rec.

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The onion (Allium cepa L.) is a biennial vegetable with regard to seed production. Seed yield is influenced by high temperature at the time of anthesis and seed setting in Punjab. Thiourea (TU) and PGPRS have been used in different crops to induce stress tolerance and to increase the yield. Two experiments were conducted to study the effect of different concentrations of thiourea (0, 5, 10, 15 and 20mM) and different PGPRS (Control, PsJN and FD17) on onion seed production. Thiourea and PGPRS were applied as foliar spray at post-anthesis stage in onion seed crop. Three replications were used under RCBD. In first experiment, maximum values of scape height was 30.367cm in 15mM TU, number of scapes (10.33), thousand seed weight (4.20mg), umbel diameter (5.29mm), weight of seed per umbel (0.34g), seed yield per plant (3.21g), plumule length (7.70cm), radicle length (4.17cm), germination percentage (85.66%), yield of seed per plot (369.85g/ft-2), dry weight (70.70mg) and fresh weight (431.64mg) of seedling in 5mM TU and seed germination duration as 16 days in 15mM of TU. Most of the results were higher in 5mM application of TU. While in second experiment, scape height (29.8cm), umbel diameter (5.29mm) and number of scapes per plant (10.3) were not significantly affected by different treatments yet FD17 showed the best results. Seed yield per plant (3.31g/plant) and yield of seed per plot (296.5g/ft2) were significantly (P<0.00) affected by FD17 treatment. Almost all the results of FD17 were superior to PsJN. In conclusion of this research, overall, the performance of thiourea (especially 5mM) was better as compared to others.

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Onion Seed Production as Influenced by Foliar Application of Thiourea and PGPRS at Post-Anthesis Stage

2024

Agrobiol. Rec.

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“…Plants adapt in various ways in response to drought stress, such as alterations in growth pattern, plant morphology, and defense mechanisms (Zandalinas et al, 2018). Exogenous TU application has been shown to improve plant defense systems to a significant extent, which helps improve phloem translocation of photosynthates in crop plants and thereby induces drought and salinity tolerance in cereals, pulses, and oilseeds (Srivastava et al, 2009; Bhunia et al, 2015; Singh and Singh, 2017). Leaf relative water content (LRWC) is an index of tissue water status.…”

Section: Introductionmentioning

confidence: 99%

Potential Mechanisms of Abiotic Stress Tolerance in Crop Plants Induced by Thiourea

et al. 2019

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Abiotic stresses, such as temperature extremes, drought, salinity, and heavy metals are major factors limiting crop productivity and sustainability worldwide. Abiotic stresses disturb plant growth and yield formation. Several chemical compounds, known as plant growth regulators (PGRs), modulate plant responses to biotic and abiotic stresses at the cellular, tissue, and organ levels. Thiourea (TU) is an important synthetic PGR containing nitrogen (36%) and sulfur (42%) that has gained wide attention for its role in plant stress tolerance. Tolerance against abiotic stresses is a complex phenomenon involving an array of mechanisms, and TU may modulate several of these. An understanding of TU-induced tolerance mechanisms may help improve crop yield under stress conditions. However, the potential mechanisms involved in TU-induced plant stress tolerance are still elusive. In this review, we discuss the essential role of TU-induced tolerance in improving performance of plants growing under abiotic stresses and potential mechanisms underlying TU-induced stress tolerance. We also highlight exploitation of new avenues critical in TU-induced stress tolerance.

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“…Thiourea (TU) a synthetic compound containing nitrogen and sulfur is an important plant bio-regulator which influences plant growth particularly under stress conditions (Garg et al, 2006). Exogenous application of TU as foliar sprays stimulates defense mechanism in plants under abiotic stress and modulates key physiological events and mechanisms including photosynthesis, nitrogen metabolism and plant water relation during different plant developmental stages (Waqas et al, 2019;Singh and Singh, 2017;Kumar and Sarlach, 2020). Foliar application of TU (1000 ppm) at the pre-flowering stage of mung bean increased seed yield by 24% by improving photosynthetic efficiency and plant metabolic functioning under water stress conditions (Mathur et al, 2006).…”

Section: Effect Of Bio-regulators On Stress Managementmentioning

confidence: 99%

Plant Bio-regulators for Enhancing Grain Yield and Quality of Legumes: A Review

Kumar¹

2020

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Plant bio-regulators (PBRs) are hormone-like natural or synthetic compounds that are able to increase the yields, alter growth patterns, nutritional qualities and provide resistance to various kinds of stresses (cold, heat, drought, insect, diseases, salinity) when applied at very low concentration to the plants. PBRs are known to enhance source-sink relationship and help in stimulating the photosyntheates thereby reduce flower drop, helps in fruit and seed development in better way ultimately improving the yield of the crops. Nowadays, abiotic stresses are major factors limiting crop productivity and sustainability throughout the globe. Bio-regulators application on crops induces long-term thermo tolerance (heat and cold) in plants as these can modulate plant responses to stresses at the cellular, tissue or organ level and hence are able to enhance the yield, quality and nutritional aspects of the food and forage legumes in the changing climatic scenario. Application of bio-regulators on crops is farmer friendly, convenient and effective approach for improving the productivity and quality of legume crops. The influence of some of the important plant bioregulators on growth, yield, quality and stress management in important food and forage legume crops are reviewed in this article.

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Response of Lentil to Thiourea Application under Rain Fed Conditions of Central India

Cited by 13 publications

References 3 publications

Onion Seed Production as Influenced by Foliar Application of Thiourea and PGPRS at Post-Anthesis Stage

Onion Seed Production as Influenced by Foliar Application of Thiourea and PGPRS at Post-Anthesis Stage

Potential Mechanisms of Abiotic Stress Tolerance in Crop Plants Induced by Thiourea

Plant Bio-regulators for Enhancing Grain Yield and Quality of Legumes: A Review

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