Phenological development of chickpeas<i>(Cicer arietinum)</i>in Canterbury, New Zealand

Verghis, T. I.; McKenzie, B. A.; Hill, G. D.

doi:10.1080/01140671.1999.9514103

Cited by 15 publications

(11 citation statements)

References 17 publications

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“…The accessions flowered earlier under long days and higher temperature than under short days and lower temperature. Similar findings were reported by Roberts et al (1985) and Verghis et al (1999) who reported earlier flowering under 15°C than 10°C. Sethi et al (1981) reported that chickpea flowered earlier under a combination of long days with a temperature regime of 30 and 18° than short days combined with similar temperature regime.…”

Section: Discussionsupporting

confidence: 91%

Effect of Temperature and Photoperiod on Time to Flowering in Chickpea

et al. 2016

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Flowering time is a key factor in determining the adaptation of crops to diverse environments. Temperature and photoperiod are the two major environmental variables that affect the length of the period between sowing and flowering and the rate of plant development. The objectives of this research were to examine the days to flowering of selected chickpea (Cicer arietinum L.) accessions grown in a range of thermal regimes combined with either long or short days and to examine the interaction between photoperiod and day and night temperatures on flowering response. Eight chickpea accessions representative of different photoperiod sensitivity responses were included, that is, day‐neutral (ICCV 96029 and FLIP‐98‐142C), intermediate (ICC 8621, ICC 8855, ICC 15294, and ILC 1687), and highly sensitive (‘CDC Frontier’ and ‘CDC Corinne’). Significant effects of accession, temperature, photoperiod, and their interaction were observed for days to flower. Under long photoperiod combined with the higher temperature regime, earliest flowering was observed in day‐neutral accessions followed by intermediate accessions, then photoperiod‐sensitive accessions, which flowered, on average, in 20, 23, and 41 d, respectively. For the two day‐neutral accessions, the difference in the number of days to flower under 16 h photoperiod combined with the temperature regimes of 24 and 16°C and 20 and 12°C (day vs. night) was not significant. Regression analysis revealed that days to flower of the day‐neutral, intermediate, and photoperiod‐sensitive accessions was a linear function of temperature (R2 = 0.88–0.99) within the photoperiod.

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Section: Discussionsupporting

confidence: 91%

Effect of Temperature and Photoperiod on Time to Flowering in Chickpea

et al. 2016

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“…Scholberg et al (2000), Brown and Moot (2004) established that node appearance is influenced by temperature and it is generally related to the accumulation of degree days or thermal time. Likewise, in other studies on cotton, lucerne, melon, pea and soy among others, Ellis et al (1995), Roche et al (1998); Verghis et al (1999), Baker and Reddy (2001); Moot et al (2001), Reddy and Pachepsky (2002), Brown and Moot (2004) and Setiyono et al (2005) found that phenological development, in addition to being influenced by temperature, may interact with solar radiation, age of the plant, source-sink relationships, and photoperiod duration.…”

Section: Introductionmentioning

confidence: 74%

Base temperature and simulation model for nodes appearance in cape gooseberry (Physalis peruviana L.)

et al. 2008

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-Data was analyzed on development of the solanaceen fruit crop Cape gooseberry to evaluate how well a classical thermal time model could describe node appearance in different environments. The data used in the analysis were obtained from experiments conducted in Colombia in open fields and greenhouse condition at two locations with different climate. An empirical, non linear segmented model was used to estimate the base temperature and to parameterize the model for simulation of node appearance vs. time. The base temperature (Tb) used to calculate the thermal time (TT, o Cd) for node appearance was estimated to be 6.29 o C. The slope of the first linear segment was 0.023 nodes per TT and 0.008 for the second linear segment. The time at which the slope of node apperance changed was 1039.5 o Cd after transplanting, determined from a statistical analysis of model for the first segment. When these coefficients were used to predict node appearance at all locations, the model successfully fit the observed data (RSME=2.1), especially for the first segment where node appearance was more homogeneous than the second segment. More nodes were produced by plants grown under greenhouse conditions and minimum and maximum rates of node appearance rates were also higher. Index terms: Nodes, simulation, thermal time, base temperature, Cape gooseberry. TEMPERATURA BASE E MODELO DE SIMULAÇÃO DA APARIÇÃO DE NÓS EM PLANTAS DE FISALIS (Physalis peruviana L.)RESUMO -Dados analisados durante o desenvolvimento de fisalis, espécie frutífera da família das solanáceas, foram usados para avaliar a aparição de nós em diferentes condições ambientais através de um modelo clássico termal de tempo. Os dados usados na análise foram obtidos de experimentos conduzidos em dois locais, com clima diferente, em campos abertos e em condições de estufa, na Colômbia. O modelo não-linear empírico segmentado foi usado para estimar a temperatura-base, e para estabelecer os parâmetros do modelo da simulação da aparição de nós em função do tempo. A temperatura-base (Tb) usada para calcular o tempo termal (TT, ºCd) para a aparição de nós foi 6,29 ºC. A inclinação do segmento linear foi de 0,023 e de 0,008 nós por TT, para o primeiro e segundo segmentos lineares, respectivamente. O tempo estimado para a aparição do nó foi de 1.039,5 ºCd depois do transplante, determinado a partir de uma análise estatística do modelo do primeiro segmento. Quando esses coeficientes foram usados para predizer a aparição de nós em todas as locações, o modelo ajustou-se dados observados adequadamente (RSME=2,1), especialmente para o primeiro segmento, onde a aparição de nós foi mais homogênea do que no segundo segmento. O número de nós e as taxas mínimas e máximas de aparição de nós foram maiores em plantas cultivadas em condições de estufa do que em plantas cultivadas nas demais condições. Termos para indexação: Nós, simulação, tempo termal, temperatura-base, uchuva.

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“…Particularly, the yields of chickpea waterlogged during the vegetative stage decreased by 35 % compared to non‐stressed yields (Cowie et al ., 1996). As a result, the crop did not reach its maximum yield potential expected during the summer months (Flenet et al ., 1996; Verghis et al ., 1999). In addition, because of the use of wide 75 cm row spacing in our study, the chickpea stand density was sub‐optimal and significantly decreased total grain yield compared to the yield of chickpea grown at a conventional row spacing of 15–30 cm.…”

Section: Discussionmentioning

confidence: 99%

Dinitrogen Fixation by Winter Chickpea Across Scales in Waterlogged Soil in a Mediterranean Climate

Lee

Six

Kessel

2010

Journal of Agronomy and Crop Science

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Studies on N2 fixation by grain legumes during periods of winter waterlogging prone Mediterranean regions have rarely been performed across scales. Here, we quantified the spatial variability of N2 fixation by rain‐fed chickpea (Cicer arietinum L.) at the field‐ and micro‐scales (0.15 m spacing) after waterlogging during the vegetative growth phase in the winter. We also determined effects of tillage (standard and minimum) and crop and soil variables on N2 fixation in water stressed conditions. After waterlogging, yield was greatly reduced but there were no visible signs of water stress or tillage effects on N2 fixation. At the field scale, percent N derived from N2 fixation (%Ndfa) ranged from 51 to 93 % and was related to the amount of soil‐derived N in the plant. Total grain N did not increase when N2 fixation increased and the amount of N derived from the soil was replaced with fixed N. In contrast, %Ndfa at the micro‐scale, ranging between 0 to 72 %, was primarily related to yield and total plant N whereas available soil N or any of the other measured soil properties were not significant predictors of %Ndfa. Total N in the grain increased solely due to N2 fixation as the contribution from soil N remained constant. Although %Ndfa had a nearly pure nugget variance across the scales, total N derived from N2 fixation (gNdfa) showed a relatively high level of spatial correlation. The range of available soil N pools was likely different at the two scales, leading to differences in the responses of chickpea N2 fixation to available soil N.

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Phenological development of chickpeas(Cicer arietinum)in Canterbury, New Zealand

Cited by 15 publications

References 17 publications

Effect of Temperature and Photoperiod on Time to Flowering in Chickpea

Effect of Temperature and Photoperiod on Time to Flowering in Chickpea

Base temperature and simulation model for nodes appearance in cape gooseberry (Physalis peruviana L.)

Dinitrogen Fixation by Winter Chickpea Across Scales in Waterlogged Soil in a Mediterranean Climate

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