Physiological and agronomic traits of cabbage plants hybrid Fuyutoyo ® sprayed with plant growth regulators

Zeist, André Ricardo; Piva, Rafael; Resende, Juliano Tadeu Vilela de; Silva, Israel F. L.; Athanázio, João Carlos; Rodrigues, João Domingos

doi:10.1590/s0102-053620170209

Cited by 4 publications

(3 citation statements)

References 17 publications

(19 reference statements)

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“…In addition, the positive effects of Stimulate + boron were primarily due to the improvements caused by boron. Increased fruit yields using Stimulate is reported in the literature for bell peppers (Palangana et al, 2012), cabbage (Zeist et al, 2017b), and soybean (Albrecht et al, 2012). However, in the present study, Stimulate improved only the volume of marketable fruits relative to the control.…”

Section: Resultscontrasting

confidence: 52%

Fruit yield and gas exchange in bell peppers after foliar application of boron, calcium, and Stimulate

et al. 2018

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The objective of this study was to evaluate the effect of the isolated and combined foliar application of boron, calcium, and the plant growth regulator Stimulate on fruit yield and gas exchange in bell peppers. The evaluated treatments were boron, calcium, Stimulate, boron + calcium, boron + Stimulate, calcium + Stimulate, boron + calcium + Stimulate, and control (water). The study was performed in complete randomized block design with three replicates. The applications were performed biweekly on the plant leaves from the beginning of flowering (December 21, 2013) until March 1, 2014. The analyzed gas exchange characteristics were photosynthetic yield, internal CO2 concentration, and transpiration rate. The evaluated agronomic characteristics were number and yield of marketable and non-marketable fruits, and the average mass, volume, and firmness of commercial fruits. The foliar application of boron from the beginning of flowering increased the photosynthetic yield and the yield of marketable fruits cultivated in the field. The foliar application of calcium and Stimulate did not improve gas exchange and fruit yield. The most common effects of boron were an increase in the number of marketable fruits. Moreover, foliar spraying with calcium from the beginning of flowering increased the firmness of commercial fruits

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Section: Resultscontrasting

confidence: 52%

Fruit yield and gas exchange in bell peppers after foliar application of boron, calcium, and Stimulate

et al. 2018

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“…It is assumed that the lower CO 2 concentration in the substomatal chamber of these plants is related to a higher use of CO 2 by ribulose-1,5bisphosphate carboxylase oxygenase (Rubisco) in the Calvin cycle for the synthesis of P-trioses. The lower Ci in plants tends to stimulate stomatal opening and transpiration, thus allowing a higher CO 2 entry into the substomatal spaces, which, consequently, promotes a higher net CO 2 assimilation (Zeist et al, 2017b), as observed for 'PI-127826' and 'PI-134417' and hybrids 'Redenção' × 'PI-127826' and 'Redenção' × 'PI-134417'.…”

Section: Methodsmentioning

confidence: 86%

Photosynthetic characteristics in species and interspecific hybrids of tomato

et al. 2018

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Gas exchanges in species and interspecific hybrids of tomato in different environments may contribute to the development and selection of genotypes with a higher tolerance to adverse cultivation conditions. This study aimed to assess the photosynthetic characteristics of wild tomato species and the cultivar Redenção, as well as the respective F1 hybrids of interspecific crosses cultivated under two environments. The experimental design was a randomized block design with three replications and the assessment of six wild accessions, one cultivar, and the respective interspecific hybrids under two environments. At 14, 28, 42, 56, and 70 days after transplanting (DAT), gas exchange characteristics were assessed by means of a portable photosynthesis measurement system. The stomatal density of abaxial and adaxial surfaces of first-order leaflets was estimated under a protected cultivation at 56 DAT. We observed a higher influence of wild tomato species and interspecific hybrids on the assessed characteristics when compared to the cultivation environments. The accession ‘LA-716’ and the hybrid ‘Redenção’ × ‘LA-716’ presented the highest water use efficiency and the accessions ‘PI-127826’ and ‘PI-134417’ and the interspecific hybrids ‘Redenção’ × ‘PI-127826’ and ‘Redenção’ × ‘PI-134417’ presented the highest values of CO2 assimilation, transpiration, instantaneous in vivo carboxylation efficiency of Rubisco, and number of stomata on the abaxial leaflet surface. Thus, the descendants of Solanum habrochaites are an interesting alternative to breeding programs that aim to make advances in obtaining strains that exhibit improvement in their photosynthetic characteristics.

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“…This shows that there was a positive balance between CO 2 fixation in photosynthesis and respiration CO 2 release. Possibly due to the C i in the seedlings (3 buds), RuBisCO (ribulosebisphosphatecarboxylase-1,5-oxigenasse) was not saturated and worked efficiently, promoting a linear increase in the net assimilation rate (A), as explained by (Zeist et al 2017).…”

Section: Development Of Nursery Seedlingsmentioning

confidence: 99%

Yacon potato propagation from herbaceous cuttings with different numbers of buds

Pedrosa

Oliveira

Zucoloto

et al. 2020

IJANR

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R. A. de-Sales, and A.H. de Oliveira-Carvalho. 2020. Yacon potato propagation from herbaceous cuttings with different numbers of buds. Int. J. Agric. Nat. Resour. The objective of this study was to evaluate yacon potato propagation from herbaceous cuttings with different numbers of buds. Therefore, an experiment was carried out in two phases. The first phase was carried out in a greenhouse with seedlings using a randomized complete block design with 40 replicates. The treatments consisted of varying the number of buds per cutting: two buds (T1), three buds (T2), or four buds (T3). The second phase was carried out in the field following a randomized complete block design with 4 replicates, and the treatments were the same as those used in the seedling phase. The following morphological characteristics were evaluated: number of leaves per plant, leaf area, plant height, stem diameter, number of stems per plant, leaf dry mass, stems, rhizophores, tuberous roots, and tuberous root yield. The physiological characteristics evaluated were the relative chlorophyll content (FCI-Falker chlorophyll index), net CO 2 assimilation rate, leaf transpiration, stomatal conductance, internal CO 2 concentration, water use efficiency and instantaneous carboxylation efficiency. It was observed that the seedlings from cuttings with 3 buds presented higher stomatal conductance (g s), which reflected their higher transpiration rates. The yacon potato presented the best vegetative and productive development when propagated by herbaceous cuttings with three buds.

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Physiological and agronomic traits of cabbage plants hybrid Fuyutoyo ® sprayed with plant growth regulators

Cited by 4 publications

References 17 publications

Fruit yield and gas exchange in bell peppers after foliar application of boron, calcium, and Stimulate

Fruit yield and gas exchange in bell peppers after foliar application of boron, calcium, and Stimulate

Photosynthetic characteristics in species and interspecific hybrids of tomato

Yacon potato propagation from herbaceous cuttings with different numbers of buds

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