Soil applied propiconazole alleviates the impact of salinity on Catharanthus roseus by improving antioxidant status

Jaleel, Cheruth Abdul; Gopi, R.; Manivannan, P.; Gomathinayagam, M.; Murali, P.V.; Panneerselvam, R.

doi:10.1016/j.pestbp.2007.11.003

Cited by 47 publications

(26 citation statements)

References 31 publications

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“…The current results are similar to those found by Zhang et al (2007), who revealed that uniconazole, a compound closely related to triazole, resulted in higher antioxidant enzyme activity in soybean. Similar results were also reported by Jaleel et al (2008), who stated the protection conferred by propiconazole to C. roseus plants. There is an increasing evidence that the stress protection by hexaconazole is mediated by a reduction in the free radicals damage and an increase in the antioxidant potential.…”

Section: Resultssupporting

confidence: 90%

“…plants with uniconazole, a compound closely related to triazole, resulted in higher levels of biomass production, if compared with non-treated plants under water deficit. Similar results have also been reported by Jaleel et al (2008), who stated that the protection conferred by propiconazole, another triazole compound, on Madagascar periwinkle (Catharanthus roseus L.) plants against salinity was evident. They observed that plants treated with propiconazole had higher biomass production and growth variables, when compared to non-treated plants, under water deficit.…”

Section: Resultssupporting

confidence: 89%

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Hexaconazole foliar application alleviates water deficit effects in common bean

Chehelpar

Tohidi-Moghadam

Ghoushchi

2016

Pesqui. Agropecu. Trop.

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RESUMOWater deficit disturbs crop physiology, causing a large number of changes in plant morphology, biochemistry and anatomy. These changes have an extensive effect on crop growth and yield (Reisdorph & Koster 1999), and the extent of the negative impact is known to be genotypedependent (Bannayan et al. 2008). Plants can respond and adapt to water stress by altering their cellular metabolism and triggering various defence mechanisms (Bohnert & Jensen 1996) Currently, the world is facing many problems of crop production. Among them, water deficit is the most dangerous one. This study aimed at evaluating the possibility of enhancing the water deficit tolerance of common bean plants, during two growth stages, by the exogenous application of hexaconazole. The experimental design was completely randomized, in a factorial arrangement, with three replicates. Hexaconazole (0 mg L -l , 10 mg L -l and 20 mg L -l ) was sprayed at flowering (R3), at 60 days after sowing, and at the grain-filling stage (R8), at 90 days after sowing. After the application, the plants were subjected to water deficit by withholding irrigation for seven days. Although all hexaconazole concentrations improved the water deficit tolerance in bean plants, in terms of plant growth and yield, the application of 20 mg L -l provided a better protection, when compared to the other concentrations (p < 0.01). The exogenous application of hexaconazole improved the water deficit tolerance, if compared to non-treated plants, affecting the morphological characteristics, yield components, total chlorophyll, proline, relative water content and enzymatic antioxidants (p < 0.01). The results showed that the hexaconazole-induced tolerance to water deficit in common bean is related to changes in the growth variables and antioxidants. In conclusion, the hexaconazole application could improve the bean growth and yield under water deficit conditions. ) foi pulverizado na floração (R3), aos 60 dias após a semeadura, e no enchimento de grãos (R8), aos 90 dias após a semeadura. Após a aplicação, as plantas foram submetidas a deficiência hídrica, pela supressão da irrigação por sete dias. Apesar de todas as concentrações de hexaconazole terem melhorado a tolerância à deficiência hídrica, em plantas de feijão, a aplicação de 20 mg L -l proporcionou melhor proteção, em comparação com as outras concentrações (p < 0,01). A aplicação exógena de hexaconazole melhorou a tolerância ao déficit hídrico, em relação a plantas não tratadas com hexaconazole, afetando as características morfológicas, componentes de produtividade, clorofila total, prolina, teor relativo de água e antioxidantes enzimáticos (p < 0,01). Os resultados mostraram que a tolerância ao déficit hídrico induzida por hexaconazole, em feijoeiro, está relacionada com as alterações nas variáveis de crescimento e antioxidantes. Em conclusão, a aplicação de hexaconazole poderia melhorar o crescimento e o rendimento do feijoeiro sob condições de déficit hídrico. KEY-WORDS: PALAVRAS-CHAVE:Phaseolus vulgaris L.; pr...

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Section: Resultssupporting

confidence: 90%

Section: Resultssupporting

confidence: 89%

Hexaconazole foliar application alleviates water deficit effects in common bean

Chehelpar

Tohidi-Moghadam

Ghoushchi

2016

Pesqui. Agropecu. Trop.

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“…These results correlate well with the findings of Zhang et al (2007), who showed that the treatment of soybean plants with uniconazole, a compound closely related to triazole, resulted in higher levels of biomass production, non-enzymatic antioxidants and antioxidant enzyme activity as compared with non-treated plants under water deficit stress. Similar results were also reported by Jaleel et al (2008a), who stated that the protection conferred by propiconazole, another triazole compound, on Catharanthus roseus plants against salinity was evident. They found that plants treated with propiconazole had higher biomass production and growth variables compared to non-treated plants under drought stress.…”

Section: Discussionsupporting

confidence: 90%

“…There was an increase in MDA accumulation in the leaves of chamomile plants exposed to water stress, but HEX reduced the MDA content of stressed chamomile leaves (Fig. 5); thus, HEX protected chamomile plants from stress-induced membrane damage (Jaleel et al, 2008a). In addition, the PPO activity, which also produces polymers of a phenolic-like structure, increased in the drought-stressed plants; a similar observation was recorded in copper-treated chamomile plants (Kováčik et al, 2009c).…”

Section: Discussionsupporting

confidence: 63%

Hexaconazole induces antioxidant protection and apigenin-7-glucoside accumulation in Matricaria chamomilla plants subjected to drought stress

Hojati

Modarres‐Sanavy

Ghanati

et al. 2011

Journal of Plant Physiology

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“…In the present study, POD specific activity was found to be inhibited at the highest concentration of propiconazole (2 mg.L -1 ) indicating that the AMF antioxidant capacity were reduced when Glomus irregulare was grown on media containing propiconazole. Whereas fungicides as fenpropimorph and propiconazole induced an increase in plant POD activity (Jaleel et al, 2008;Campagnac et al, 2010), indicating an enhancement of free radicals under fungicide stress, our study showed a depletion of the antioxidant enzymes production in Glomus irregulare under propiconazole treatment. These results indicated that propiconazole stress could have a negative effect on proteins such as POD and that could thus damage the ROS scavenging by antioxidant enzymes.…”

Section: Wwwintechopencommentioning

confidence: 49%