0000680140

Материал из Антэкология /// Anthecology
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ATPR 0
AID: 0000680140
Английский
APR 1
APRm
Asynchronous Flowering and Within-plant Flowering Diversity in Wheat and the Implications for Crop Resilience to Heat
Annals of Botany, . V. 109. No. 4. P. 843850 (8).
Background and Aims. Self-pollination dominates in wheat, with a small level of out-crossing due to flowering asynchrony and male sterility. However, the timing and synchrony of male and female flowering in wheat is a crucial determinant of seed set and may be an important factor affecting gene flow and resilience to climate change. Here, a methodology is presented for assessing the timing and synchrony of flowering in wheat, Triticum aestivum.

Methods. From the onset of flowering until the end of anthesis, the anther and stigma activity of each floret was assessed on the first five developing ears in potted plants grown under ambient conditions and originating from ‘Paragon’ or ‘Spark-Rialto’ backgrounds. At harvest maturity, seed presence, size and weight was recorded for each floret scored.

Key Results and Conclusions. The synchrony between pollen dehiscence and stigma collapse within a flower was dependent on its relative position in a spike and within a floret. Determined on the basis of synchrony within each flower, the level of pollination by pollen originating from other flowers reached approx. 30 % and did not change throughout the duration of flowering. A modelling exercise parameterized by flowering observations indicated that the temporal and spatial variability of anther activity within and between spikes may influence the relative resilience of wheat to sudden, extreme climatic events which has direct relevance to predicted future climate scenarios in the UK.
Ключевые словаWheat, Flowering synchrony, Опыление, Climate change, Heat resistance
Таксоны растенийTriticum aestivum, Triticum
В подборкахОсновная литература

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Число читателей в CiteuLike PAMCULR 0 0 0.1 96.72% 582
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Число читателей в Altmetric PAMR 0 0 40.24 80.47% 1220
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0 0 0.1 94.68% 635
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Число цитирований на Peer Review Sites PAMPRSC 0 0 0 100% 594
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0 0 0 99.85% 300
Число цитирований на Research Highliht Platform PAMRHPC 0 0 0 99.2% 12
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Error: No contents found at URL https://api.altmetric.com/v1/doi/10.1093/aob/mcr308.

Вебметрики
Altmetric.png
Показатель Значение Min Max Av
>%
Место из 1372
Рейтинг публикации PAMS 0 0 0.88492 80.32% 576
Число читателей в Mendeley PAMMR 0 0 40.14 80.39% 1220
Число читателей в CiteuLike PAMCULR 0 0 0.1 96.72% 582
Число читателей в Connotea PAMCR 0 0 0 99.71% 691
Число читателей в Altmetric PAMR 0 0 40.24 80.47% 1220
AltMetricCircle.jpg
0 0 0.1 94.68% 635
AltMetricCircle.jpg
0 0 0.36 87.76% 511
AltMetricCircle.jpg
0 0 0 98.83% 17
AltMetricCircle.jpg
0 0 0.06 91.4% 931
AltMetricCircle.jpg
0 0 0.06 95.85% 1193
AltMetricCircle.jpg
0 0 0 98.25% 1109
Число цитирований на Peer Review Sites PAMPRSC 0 0 0 100% 594
AltMetricCircle.jpg
0 0 0 99.85% 300
Число цитирований на Research Highliht Platform PAMRHPC 0 0 0 99.2% 12
AltMetricCircle.jpg
0 0 0 99.93% 595


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