Plastochron index of 'Cabernet Sauvignon' and 'Chardonnay' grapevines in Fronteira Oeste, in the state of Rio Grande do Sul, Brazil

Zeist, André Ricardo; Tomazetti, Tiago Camponogara; Rossarolla, Márcia Denise; Alberto, Cleber Maus; Giacobbo, Clévison Luiz; Welter, Leocir José

doi:10.1590/s0100-204x2017000400004

Cited by 4 publications

(2 citation statements)

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“…plastochron estimates enable identifying phenological behavior, verifying plant adaptation, defining more appropriate management practices, besides assisting crop zoning (Zeist et al, 2017). A plastochron index represents vegetative development in plant cycle simulation models, improving P. peruviana development and growth modeling.…”

Section: Reliablementioning

confidence: 99%

Plastochron and yield of Physalis peruviana L. grown in different environments and transplanting dates

Zeist

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Zanin

et al. 2020

SCA

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This study aimed to estimate plastochron, leaf area, and yield of Physalis peruviana seedlings grown in different environments and transplanted on different dates. The experiment was carried out in a completely randomized design, arranged in a 2 x 3 factorial scheme, namely: two cultivation environments (protected and field) and three transplanting dates (10/27/2013, 12/15/2013, and 02/11/2014). Four replicates of eight plants were used per plot, and the four central plants composed the useful area. Based on mathematical models and temperature data, plastochron was estimated for the entire crop cycle and vegetative and reproductive phases separately. Leaf area and node number were measured, and their relationship established at the end of the study. Other variables assessed were fruit number, mass, and yield per plant. Our results showed that the higher temperatures in the protected environment anticipated phenological timings. Plastochron values of 60.0 and 16.5 °C day-1 can be used during vegetative and reproductive stages, respectively. The protected environment increased vegetative growth and development, as well as yield of P. peruviana seedlings. In the Guarapuava-PR region, P. peruviana seedlings should be transplanted during the spring so that higher fruit yield and quality could be achieved.

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Section: Reliablementioning

confidence: 99%

Plastochron and yield of Physalis peruviana L. grown in different environments and transplanting dates

Zeist

Resende

Zanin

et al. 2020

SCA

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“…by Streck et al (2008), cotton (Gossypium hirsutum L.) by Pereira et al (2010), crambe (Crambe abyssinica Hochst.) by Toebe et al (2010), snap beans (Phaseolus vulgaris L.) by Heldwein et al (2010), watermelon by Lucas et al (2010), sunflower (Helianthus annuus L.) by Souza et al (2016), grapevine (Vitis vinifera L.) by Zeist et al (2016Zeist et al ( , 2017, and even tomato by Pivetta et al (2007). However, as is this case with base temperature, no studies using this concept are known for wild tomato species and interspecific hybrids.…”

Section: Introductionmentioning

confidence: 99%

Base temperature for node emission and plastochron determination in tomato species and their hybrids

Zeist

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Faria

et al. 2018

Pesq. agropec. bras.

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-The objective of this work was to estimate the base temperature for node emission and plastochron determination in wild species of tomato, in the Redenção cultivar, and in their respective interspecific F 1 hybrids. The wild accessions Solanum pimpinellifolium AF 26970, Solanum galapagense LA-1401, Solanum peruvianum AF 19684, Solanum habrochaites var. hirsutum PI-127826, Solanum habrochaites var. glabratum PI-134417, and Solanum pennellii LA-716; the cultivar Redenção (Solanum lycopersicum); and their respective interspecific hybrids were evaluated, on the transplanting dates 12/22/2015, 2/12/2016, and 4/6/2016. The base temperature was estimated using the least mean squared error of the linear regression between the number of nodes and the accumulated thermal sum. The plastochron for the main stem and the first three lateral stems was estimated using the base temperature. The base temperature for node emission and plastochron determination varied from 4.5 to 14.8°C. The species S. habrochaites var. hirsutum accession PI-127826, S. habrochaites var. glabratum accession PI-134417, and their hybrids with the Redenção cultivar showed the lowest base temperatures and plastochron for the main stem, whereas the remaining wild species and interspecific hybrids had a base temperature near that of cultivated tomato. Wild species and interspecific hybrids of tomato show a great variation in base temperature for node emission and plastochron determination.Index terms: Solanum lycopersicum, pre-breeding, thermal time, wild accessions. Temperatura-base para emissão de nós e determinação de plastocrono em espécies de tomateiro e seus híbridosResumo -O objetivo deste trabalho foi estimar a temperatura-base para emissão de nós e determinação de plastocrono em espécies silvestres de tomateiro, na cultivar Redenção e em seus respectivos híbridos interespecíficos F 1 . Avaliaram-se os acessos silvestres Solanum pimpinellifolium AF 26970, Solanum galapagense LA-1401, Solanum peruvianum AF 19684, Solanum habrochaites var. hirsutum PI-127826, Solanum habrochaites var. glabratum PI-134417 e Solanum pennellii LA-716; a cultivar Redenção (Solanum lycopersicum); e os seus respectivos híbridos interespecíficos, nas datas de transplantio 22/12/2015, 12/2/2016 e 6/4/2016. A temperatura-base foi estimada com o método do menor quadrado médio do erro da regressão linear entre o número de nós e a soma térmica acumulada. O plastocrono para a haste principal e as três primeiras hastes laterais foi estimado com uso da temperatura-base. A temperatura base para emissão de nós e determinação do plastocrono variou entre 4,5 e 14,8°C. As espécies S. habrochaites var. hirsutum acesso PI-127826, S. habrochaites var. glabratum acesso PI-134417 e os respectivos híbridos com a cultivar Redenção apresentaram os menores valores de temperatura-base e plastocrono da haste principal, enquanto as demais espécies silvestres e os híbridos interespecíficos tiveram temperatura-base próxima à do tomateiro cultivado. As espécies silvestres e os híbridos inte...

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Phenology and agronomic components of first and second-cycle strawberry

et al. 2019

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Several strawberry growers have cultivated the same plants for two consecutive cycles aiming a greater economic return after seedling transplant. However, the phenological development and the agronomic potential of second-cycle strawberry have to be estimated. This research was installed to estimate the thermal need, leaf appearance rate, phyllochron and yield of strawberry cultivars in two consecutive crop cycles in the region of the Third Planalto Paranaense. Cultivars Camarosa, Camino Real, Albion, Aromas, Monterrey and San Andreas were evaluated in the first and second growing cycles using completely randomized blocks and four replications. Leaf appearance rate was estimated by linear regression coefficient between the number of leaves and the accumulated thermal sum. Phyllochron was estimated by the inverse of regression coefficient. Aromas was the only cultivar with an increased fruit production in the second cycle. On the contrary, there was a considerable reduction of production for ‘Camino Real’, ‘Albion’, ‘Monterrey’ and ‘San Andreas’ in that same cycle. The highest number and mass of marketable fruits of the second and first cycles were observed for ‘Camarosa’ and ‘Camino Real’, respectively. In the second crop cycle, strawberry cultivars required a lower thermal sum to begin flowering and fruit harvest. The plants presented a higher leaf appearance rate and low phyllochron values.

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Plastochron index of 'Cabernet Sauvignon' and 'Chardonnay' grapevines in Fronteira Oeste, in the state of Rio Grande do Sul, Brazil

Cited by 4 publications

References 25 publications

Plastochron and yield of Physalis peruviana L. grown in different environments and transplanting dates

Plastochron and yield of Physalis peruviana L. grown in different environments and transplanting dates

Base temperature for node emission and plastochron determination in tomato species and their hybrids

Phenology and agronomic components of first and second-cycle strawberry

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