CHARACTERISTICS OF BANANA FRUITS (Musa spp. AAA, CV. NANICA) TREATED WITH CYTOKININ AND GIBBERELLIN

Lima, Juliana Domingues; Rosa, Jéssica Santa; Gomes, Eduardo Nardini; Rozane, Danilo Eduardo; Silva, Silvia Helena Modense-Gorla da

doi:10.4067/s0718-16202016000200005

Cited by 2 publications

(2 citation statements)

References 18 publications

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“…Three causes contribute to the high seasonality in radiation: geographic position of the region (latitude), solar declination and the hour angle, which results in photoperiod variation from 10.6 to 13.4 hours (Martins et al, 2012). In addition to the autumn and winter in the region, increase the frequency of cloudy and cloudy days (Lima et al, 2016).…”

Section: Cultivar Nanicamentioning

confidence: 99%

Fluctuations of Production and Quality of Bananas Under Marginal Tropical Climate

Lima¹,

Fukunaga²,

Gomes³

et al. 2019

JAS

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The knowledge of the inter-seasonal fluctuations in characteristics of fruit quality and production is important for management of plants, prediction of yield and marketing strategies. This study aims to evaluate how the climatic conditions prevailing in the month of harvest impact bunch mass and variability of the size and color of the banana fruit ‘Nanica’ and ‘Prata’ cultivated under marginal tropical climate. The experiments were carried in Registro, Ribeira Valley region, São Paulo, Brazil, in a completely randomized design with 24 treatments (months of bunch harvest) and ten replications, for each cultivar. Cyclic seasonal fluctuations in production were found in for the two cultivars, with the lowest bunch mass (BM), fruit size consistently recorded between July and February associated with lower global solar radiation (Rad) and temperature (T) of the harvest month, but not precipitation (Ppt). The extension of monthly fluctuations in BM were similar to ‘Prata’ (18.95±3.31 kg) and ‘Nanica’ (29.51±4.69 kg). Independent of the harvest month, there was a trend of greater variability for fruit length (FL) and lower for fruit diameter (FD) between fruits of the different positions in the bunch. The correlations between Rad or T of harvest month with BM, FL, FD and SL were all positive. For both cultivars, the shelf life (SL) was longer for fruits of the last hand. There were also positive correlations between Rad or T with SL. The decrease of peel color characteristics of the ‘Nanica’ fruit was associated with cold fronts from autumn to spring and chilling injury, with higher intensity in the last hand.

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Section: Cultivar Nanicamentioning

confidence: 99%

Fluctuations of Production and Quality of Bananas Under Marginal Tropical Climate

Lima¹,

Fukunaga²,

Gomes³

et al. 2019

JAS

View full text Add to dashboard Cite

show abstract

“…As reported, small compounds including pyraclostrobin (Pyr, a widely used agricultural strobilurin fungicide) and brassinolide (BL, the most bioactive BR phytohormone) have been found to be capable of modulating N metabolism [19,20]. Exogenous application of Pyr has been observed to promote plant growth and development by enhancing NR activity via reducing cytoplasmic pH due to inhibition of the respiratory electron transport chain across multiple crops [21], such as soybean [22], maize [23], banana [24], tomato [25], and grafted cucumber plants [26]. Furthermore, Pyr treatment also enhanced the N harvest index by promoting the net remobilization of N from the vegetation organs to the reproduction organ in wheat [27] and tomato [28].…”

Section: Introductionmentioning

confidence: 99%

Multi-Omics Analysis Reveals Synergistic Enhancement of Nitrogen Assimilation Efficiency via Coordinated Regulation of Nitrogen and Carbon Metabolism by Co-Application of Brassinolide and Pyraclostrobin in Arabidopsis thaliana

An,

Ma,

2023

IJMS

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Improving nitrogen (N) assimilation efficiency without yield penalties is important to sustainable food security. The chemical regulation approach of N assimilation efficiency is still less explored. We previously found that the co-application of brassinolide (BL) and pyraclostrobin (Pyr) synergistically boosted biomass and yield via regulating photosynthesis in Arabidopsis thaliana. However, the synergistic effect of BL and Pyr on N metabolism remains unclear. In this work, we examined the N and protein contents, key N assimilatory enzyme activities, and transcriptomic and metabolomic changes in the four treatments (untreated, BL, Pyr, and BL + Pyr). Our results showed that BL + Pyr treatment synergistically improved N and protein contents by 56.2% and 58.0%, exceeding the effects of individual BL (no increase) or Pyr treatment (36.4% and 36.1%). Besides synergistically increasing the activity of NR (354%), NiR (42%), GS (62%), and GOGAT (62%), the BL + Pyr treatment uniquely coordinated N metabolism, carbon utilization, and photosynthesis at the transcriptional and metabolic levels, outperforming the effects of individual BL or Pyr treatments. These results revealed that BL + Pyr treatments could synergistically improve N assimilation efficiency through improving N assimilatory enzyme activities and coordinated regulation of N and carbon metabolism. The identified genes and metabolites also informed potential targets and agrochemical combinations to enhance N assimilation efficiency.

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CHARACTERISTICS OF BANANA FRUITS (Musa spp. AAA, CV. NANICA) TREATED WITH CYTOKININ AND GIBBERELLIN

Cited by 2 publications

References 18 publications

Fluctuations of Production and Quality of Bananas Under Marginal Tropical Climate

Fluctuations of Production and Quality of Bananas Under Marginal Tropical Climate

Multi-Omics Analysis Reveals Synergistic Enhancement of Nitrogen Assimilation Efficiency via Coordinated Regulation of Nitrogen and Carbon Metabolism by Co-Application of Brassinolide and Pyraclostrobin in Arabidopsis thaliana

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