Plastocrono e número final de nós de cultivares de soja em função da época de semeadura

Martins, Juliano Dalcin; Radons, Sidinei Zwick; Streck, Nereu Augusto; Knies, Alberto Eduardo; Carlesso, Reimar

doi:10.1590/s0103-84782011005000064

Cited by 15 publications

(20 citation statements)

References 9 publications

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“…Similar values of plastochron between different cultivars were also obtained in soybean by Martins et al (2011), where estimated values for two crop seasons, did not differ from each other. The similarity of plastochron between grapevine cultivars, indicates that a single value for both plastochron for both cultivars may be used.…”

supporting

confidence: 74%

Plastochron estimate in grapevine 'Marselan' and 'Tannat' cultivars

et al. 2016

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Plastochron safe estimates contribute for modeling improvement of grapevine development and allow identifying the phenological behavior of culture, to check the adjustment, to set more appropriate management practices and to assist in agricultural zoning culture. Thus, the aim of this study was to estimate the plastochron in Marselan and Tannat grapevine cultivars in the region of the Border West of Rio Grande do Sul. The experiment was conducted in grapevine orchard with Marselan and Tannat cultivars in the municipality of Itaqui-RS in 2010, between September and December. The plastochron was estimated by the inverse of slope of the linear regression between the number of visible nodes by branches and thermal time (base temperature of 10 °C). For Marselan and Tannat grapevine cultivars can be used plastochron value of approximately 56.25 ºC day node-1 .

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supporting

confidence: 74%

Plastochron estimate in grapevine 'Marselan' and 'Tannat' cultivars

et al. 2016

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“…Firstly reducing the number of nodes of the main stem may by a response to photoperiod, as a plant is responsive to photoperiod (DAJUE & MÜNDEL, 1996). Variations in the number of nodes related to photoperiod were also found in soybeans (MARTINS et al, 2011). Second by reducing the number of branches from the lowest to the highest density, represented by a linear decrease in the number of nodes.…”

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confidence: 75%

Safflower grown in different sowing dates and plant densities

et al. 2012

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“…From these data, linear regressions were established between the number of leaves (NL) and number of branches (NB), respectively, with TTa, for each evaluation. The values of phyllochron and plastochron consisted of the value of the inverse relationship of the coefficient of linear regression generated between NL and TTa (phyllochron) and NB and TT (plastochron), as also used by Martins, Reis, and Pinheiro (2012), and Martins, Radons, Streck, Knies, and Carlesso (2011), respectively.…”

Section: Methodsmentioning

confidence: 99%

Variation of Thermal Time, Phyllochron and Plastochron in Passion Fruit Plants With Irrigation Depth and Hydrogel

Cavalcante¹,

Cavalcante²,

Cavalcante³

et al. 2018

JAS

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The passion fruit demands water for its growth and production. Water management is relevant in regions characterized by low rainfall indices, such as semi-arid regions. In this direction, the use of hydrogel in the soil allows the water that is supplied through irrigation to be better utilized by the plants, reducing leach losses. The objective of this experiment was to evaluate the influence of hydrogel in soil cultivated with passion fruit and irrigated to various water depths on the thermal time of the phenological stages, phyllochron and plastochron of the plants. Treatments were distributed in randomized blocks in a 2 × 5 factorial arrangement, referring to the soil without and with hydrogel and raising the irrigation depth from 60% to 70%, 80%, 90% and 100% of crop evapotranspiration in four replications. The thermal requirements of the phenological phases and of the whole plant cycle, phyllochron of the main stem and the productive branches, and plastochron were evaluated. Increasing the irrigation depth from 60% to 100% reduced the total thermal time values from 3,811.8 to 2,401.3 °C day and from 3,707.8 to 2,628.7 °C day in the soil without and with hydrogel, respectively. The thermal time of the phenological phases and the phyllochron of the main stem and productive branches of the passion fruit were stimulated by an increase in irrigation depth.

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Plastocrono e número final de nós de cultivares de soja em função da época de semeadura

Abstract: Plastochron and final node number of soybean cultivars as a function of sowing date

Cited by 15 publications

References 9 publications

Plastochron estimate in grapevine 'Marselan' and 'Tannat' cultivars

Plastochron estimate in grapevine 'Marselan' and 'Tannat' cultivars

Safflower grown in different sowing dates and plant densities

Variation of Thermal Time, Phyllochron and Plastochron in Passion Fruit Plants With Irrigation Depth and Hydrogel

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