Measurement and Prediction of Flowering in Annual Crops

Roberts, Ε. H.; Summerfield, R. J.

doi:10.1016/b978-0-407-00570-9.50007-7

Cited by 195 publications

(180 citation statements)

References 36 publications

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“…Like leaf appearance and flowering the rate of germination or seedling emergence can be calculated as the reciprocal of time and has a linear response to temperature [54,55]. Percentage of seed germination under constant soil moisture condition tends to increase with increase in temperature above base temperature (Tb) and reaches its maximum value however it tends to decrease at supra-optimal temperature.…”

Section: Effect Of Heat Stress On Morphologymentioning

confidence: 99%

Impacts of Heat Stress on Wheat: A Critical Review

Iqbal¹,

Raja²,

Yasmeen³

et al. 2017

Adv Crop Sci Tech

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A brief review is given of investigations on stress-induced alterations in the yield of different biochemical contents in wheat. Wheat is major cereal crop for fulfilling the calories demands of growing population. Alterations in the worldwide climate are predicted to have critical sentence for crop production. Abiotic stresses such as heat and drought are major abiotic stresses restraining crop production. Heat stress reduces wheat growth by upsetting various physiological and biochemical processes and the developmental stage of the plant is critical in demonstrating the vulnerability of various species and cultivars subjected to high temperature. Heat stress did not affect the protein content but there is strong correlation between leaf nitrogen content and grain protein content. Induction of HSPs seems to be the universal response and adaptation to temperature stress. The synthesis of HSPs is believed to play significant role either in preventing or minimizing the adverse effects of high temperature both at molecular and cellular levels. Wheat has the tendency to adopt diverse types of responses to temperature stress as well as a heat shock by developing thermo-tolerance for the enhancement of the grain quality and yield.

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Section: Effect Of Heat Stress On Morphologymentioning

confidence: 99%

Impacts of Heat Stress on Wheat: A Critical Review

Iqbal¹,

Raja²,

Yasmeen³

et al. 2017

Adv Crop Sci Tech

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“…Temperature-induced increases in evapotranspiration could aggravate drought stress (Tao et al, 2003a,b). Sustained temperature increases over the season will change the duration (from sowing to maturity) of the crop (e.g., Roberts and Summerfield, 1987), which is one of important causes for yield reduction under climate change (e.g., IPCC, 2007;Tao et al, 2008a). Short episodes of high temperature at critical stages of crop development can cause sterility and consequently yield reduction independently of any substantial changes in mean temperature (e.g., Wheeler et al, 2000;McKeown et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Adaptation of maize production to climate change in North China Plain: Quantify the relative contributions of adaptation options

Tao¹,

Zhang²

2010

European Journal of Agronomy

193

114

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“…Earlier sprouting was probably encouraged at Onne due to the 1 to 2 o C warmer average storage temperatures [21] and higher relative humidity than that at Abuja [22]. The rate of progress of plant developmental events has been shown severally to increase with increasing temperature up to the optimum temperature for the process [1]. In the past, temperature has also been shown to affect the duration to sprouting in yam.…”

Section: Discussionmentioning

confidence: 99%

“…Dormancy is an adaptive trait associated with distinct seasons that vary in time and space ( [1], [2]). In yam, the timing of the end of the growing season (marked by the commencement of vine senescence) coincides with the start of the dry season.…”

Section: Introductionmentioning

confidence: 99%

Effect of Provenance and Storage Agroecology on Duration of Yam (Dioscorea rotundata Poir.) Tuber Dormancy

Hamadina¹

2015

AFF

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Abstract:Crop improvement in yam is slow due to poor understanding of tuber dormancy. Tuber provenance and storage agroecology are thought to affect the duration to sprouting in yam, but systematic studies on the role of these factors are rare. The objective of this study was to determine the effects of tuber provenance and storage agroecology on the duration to sprouting in D. rotundata. Twenty landraces [comprising 7 originating from the Guinea savanna (GS), 5 from the Forest/transition (TS), and 8 from the Humid forest (HF)] were collected and multiplied at a location in their respective agroecologies: Abuja (GS), Ibadan (TS) and Onne (HF). Thereafter, 100 tubers of each of the 20 landraces were stored at each of the three sites, and dates of the appearance of shoot bud (ASB)/ sprouting were recorded. The results showed that provenance did not significantly affect the duration from planting to sprouting or the duration from date in storage to sprouting in D. rotundata. The duration to ASB varied by up to 21 days (d) for landraces originating from HF and TS, and 37 d for landraces originating from GS. Variations among landraces within a provenance group were greater than between provenance groups. This suggests that the provenance of a landrace is not a major factor controlling the duration to ASB. All landraces responded to storage agroecology/ environment in a similar manner. There was no interaction between provenance and storage environment. Tubers stored at Onne and Ibadan sprouted about 10 d earlier than those at Abuja, and this was associated with slightly higher temperature and RH at Onne and Ibadan. Storage agroecology is an important factor controlling the duration to sprouting but provenance is not.

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Measurement and Prediction of Flowering in Annual Crops

Cited by 195 publications

References 36 publications

Impacts of Heat Stress on Wheat: A Critical Review

Impacts of Heat Stress on Wheat: A Critical Review

Adaptation of maize production to climate change in North China Plain: Quantify the relative contributions of adaptation options

Effect of Provenance and Storage Agroecology on Duration of Yam (Dioscorea rotundata Poir.) Tuber Dormancy

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