Effects of Cycocel and Irrigation Regimes on Some Physiological Parameters of Three Olive Cultivars

Nejadsahebi,

doi:10.3844/ajassp.2010.459.465

Cited by 7 publications

(3 citation statements)

References 21 publications

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“…The shortage of water, i.e., drought, during the crop growing period inhibits the chlorophyll a (Chl a) & chlorophyll b (Chl b) synthesis, and decreases the quantity of Chl a & Chl b binding proteins, ultimately reducing the light-harvesting pigment protein which is linked with photosystem II [18]. Moreover, under this condition, the concentration of solutes in the soil increases, which reduces the access of the roots, thereby decreasing water reception by the roots, and consequently declining the leaf water potential [19].…”

Section: Introductionmentioning

confidence: 99%

Drought Tolerance in Mung Bean is Associated with the Genotypic Divergence, Regulation of Proline, Photosynthetic Pigment and Water Relation

Islam¹,

Kamal²,

Hossain³

et al. 2023

Phyton

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Drought is one of the critical conditions for the growth and productivity of many crops including mung bean (Vigna radiata L. Wilczek). Screening of genotypes for variations is one of the suitable strategies for evaluating crop adaptability and global food security. In this context, the study investigated the physiological and biochemical responses of four drought tolerant (BARI Mung-8, BMX-08010-2, BMX-010015, BMX-08009-7), and four drought sensitive (BARI Mung-1, BARI Mung-3, BU Mung-4, BMX-05001) mung bean genotypes under wellwatered (WW) and water deficit (WD) conditions. The WW treatment maintained sufficient soil moisture (22% ± 0.5%, i.e., 30% deficit of available water) by regularly supplying water. Whereas, the WD treatment was maintained throughout the growing period, and water was applied when the wilting symptom appeared. The drought tolerant (DT) genotypes BARI Mung-8, BMX-08010-2, BMX-010015, BMX-08009-7 showed a high level of proline accumulation (2.52-5.99 mg g −1 FW), photosynthetic pigment (total chlorophyll 2.96-3.27 mg g −1 FW at flowering stage, and 1.62-2.38 mg g −1 FW at pod developing stage), plant water relation attributes including relative water content (RWC) (82%-84%), water retention capacity (WRC) (12-14) as well as lower water saturation deficit (WSD) (19%-23%), and water uptake capacity (WUC) (2.58-2.89) under WD condition, which provided consequently higher relative seed yield. These indicate that the tolerant genotypes gained better physio-

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Section: Introductionmentioning

confidence: 99%

Drought Tolerance in Mung Bean is Associated with the Genotypic Divergence, Regulation of Proline, Photosynthetic Pigment and Water Relation

Islam¹,

Kamal²,

Hossain³

et al. 2023

Phyton

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“…Hoque and Haque (2002) reported that CCC prevents ent-kaurene synthesis in the GA 3 biosynthetic cycle leading to GA 3 deficiency and the subsequent reduced vegetative growth potential. Nejadsahebi et al (2010) reported that the application of CCC in water limitation, increased RWC and stomata resistance. Wang and Xiao (2009) imply that treatment of plants with CCC may increase the number of chloroplasts, elevate the concentration of chlorophyll and carotenoids, accelerate the process of photophosphorylation, and stimulate the photosynthetic rate.…”

Section: Introductionmentioning

confidence: 99%

Antioxidant status and physiological responses of wheat (Triticum aestivum L.) to cycocel application and bio fertilizers under water limitation condition

Khalilzadeh

Sharifi

Jalilian

2016

Journal of Plant Interactions

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In order to study antioxidant status and physiological responses of wheat to cycocel (CCC) and bio fertilizers application under water limitation condition, a factorial experiment was conducted based on randomized complete block design with three replications in 2015. Treatments included water limitation in three levels [normal irrigation (I 1 ) as control; moderate water limitation (I 2 ) or irrigation withholding at 50% of heading stage; severe water limitation (I 3 ) or irrigation withholding at 50% of booting stage]; four bio fertilizer levels [(no bio fertilizer (F 0 ), seed inoculation by Azotobacter chrocoocum strain 5 (F 1 ), Pseudomonas putida strain 186 (F 2 ), Azotobacter + Pseudomonas (F 3 ))] and four CCC levels [(without CCC as control (C 0 ), application of 400 (C 1 ), 800 (C 2 ) and 1200 (C 3 ) mg/l)]. The results showed that water limitation decreased the chlorophyll-a, chlorophyll-b, total chlorophyll, carotenoid, stomata conductance, leaf area index (LAI) and relative water content of wheat, but activity of catalase (CAT), peroxidase (POD), polyphenol oxidase (PPO) enzymes and proline content were increased. Similar results were observed in CAT, POD and PPO activities due to bio fertilizers and CCC application. Besides the water limitation effects, CCC-treated plants displayed a significant decrease in stomata conductance and LAI. Generally, it was concluded that the application of bio fertilizers and CCC can be a proper tool for increasing wheat yield under water limitation. ARTICLE HISTORY

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“…Accumulation of proline is known to function in osmotic adjustment, protection of cellular macromolecules from damage by salts, storage of nitrogen and scavenging of free radicals which is supported by Chookhampaeng et al (2008) [4] . (2010) [9] .…”

Section: Physiological Parameters Proline Contentmentioning

confidence: 99%

Impact of fertilizer management and chemical nipping on physiological traits and yield of rainfed horsegram (Macrotyloma uniflorum)

Pavithra¹,

Sanbagavalli²,

Kalpana³

et al. 2020

Int. J. Chem. Stud.

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A field experiment was conducted to study the influence of fertilizer management and chemical nipping on the yield of horsegram during rabi 2019-20. The treatment consist of three levels of Fertilitizer management [100% Recommended Dose of Fertilizer (RDF), 100% RDF + TNAU Micronutient (MN) mixture 5 kg / ha as Enriched Farm Yard Manure (EFYM), Farmers practice] and four levels of chemical nipping [chlormequat chloride 250 ppm @ 40 DAS, chlormequat chloride 250 ppm @ 50 DAS, chlormequat chloride 250 ppm @ 40 DAS & 50 DAS, No nipping] thereby making 12 treatment combinations replicated thrice in factorial randomized block design. The physiological traits viz., Proline and Relative water content were recorded. Proline and relative water content was found to be higher in 100% RDF along with TNAU MN mixture 5 kg/ha as Enriched FYM and chlormequat chloride 250 ppm @ 40 & 50 DAS which ultimately helps plant to withstand in drought and improve the yield.

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Effects of Cycocel and Irrigation Regimes on Some Physiological Parameters of Three Olive Cultivars

Cited by 7 publications

References 21 publications

Drought Tolerance in Mung Bean is Associated with the Genotypic Divergence, Regulation of Proline, Photosynthetic Pigment and Water Relation

Drought Tolerance in Mung Bean is Associated with the Genotypic Divergence, Regulation of Proline, Photosynthetic Pigment and Water Relation

Antioxidant status and physiological responses of wheat (Triticum aestivum L.) to cycocel application and bio fertilizers under water limitation condition

Impact of fertilizer management and chemical nipping on physiological traits and yield of rainfed horsegram (Macrotyloma uniflorum)

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