Effects of low temperature and chilling duration on bud break and changes of endogenous hormones of asparagus

Chen, Y.H.; Liu, M.

doi:10.17660/ejhs.2016/81.1.3

Cited by 10 publications

(8 citation statements)

References 7 publications

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“…Winter dormancy might be inhibited under the influence of global warming, which can affect the yield of perennial vegetables. For instance, asparagus enters dormancy and accumulates cold temperatures of 0-7 • C over the cold period [14]. Dormancy was described to consist of two phases: (i) the induction of dormancy and accumulation of cold temperatures, and (ii) the breaking of dormancy through the accumulation of high temperatures.…”

Section: Winter Chilling In Asparagusmentioning

confidence: 99%

“…Feller [15] showed that a too-warm temperature during the first dormancy phase extended the length of the second dormancy phase, leading to delayed and reduced yields (Table 1). The duration of dormancy was 15 days longer for asparagus when the temperature was increased by 3 • C, i.e., from 2 to 5 • C [14], and the effects on yield were reductions in bud break and spear production. Based on the recent finding of Kaufmann and Blanke [2], more forcing can partially substitute for lack of chilling (Table 2).…”

Section: Winter Chilling In Asparagusmentioning

confidence: 99%

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Securing Horticulture in a Changing Climate—A Mini Review

2019

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(1) Background: Climate change is on the rise due to continuous greenhouse gas emissions from anthropogenic activities ever since the industrial revolution. Changing weather conditions are likely to have consequences for horticulture. (2) Objective and Methods: A short literature review was conducted, gathering findings on climate change and the impacts on the yield and product quality of special crops. (3) Results: Global warming will result in elevated temperatures and CO2 concentrations in all seasons. Extreme weather events such as heat waves are also on the increase. In vegetables, physiological processes such as vernalization and winter chilling strongly rely on temperature. Therefore, heat stress may cause irregularities in yield production and planning the harvest. For fruit crops, frost poses a risk that is enhanced through climate change, as does a lack of chilling, as cold temperatures in the winter are required for flowering in the spring. Abiotic disorders in horticulture are also related to changing temperatures and humidity. The nutritional quality of special crops may be threatened by increasing rates of plant development and premature ripening at high temperatures. Quality traits such as sugars, acids, or antioxidant capacity may also shift as well. (4) Conclusions: Adapting to these new climate conditions means developing new climate-resilient varieties to maintain high production levels with superior quality. In this mini review, cultivation measures to mitigate adverse climate impacts are also discussed. Current developments and recent findings are presented, pointing out further steps toward adaptation and sustainable production.

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Section: Winter Chilling In Asparagusmentioning

confidence: 99%

Section: Winter Chilling In Asparagusmentioning

confidence: 99%

Securing Horticulture in a Changing Climate—A Mini Review

2019

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“…In addition, it was reported that the contents of ABA and ZR in stems before harvest of the main crop were positively correlated with the regeneration rate, while (IAA+GA)/ABA and (IAA+GA+ZR)/ABA were significantly negatively correlated with the regeneration rate ( Xiao, 2002 ). Previous studies have shown that axillary bud sprouting was always accompanied by changes in the concentration of endogenous hormones, such as IAA, ABA, CTK and GAs, and these hormones reached a new balance after a certain period of sprouting ( Li and Tang, 2003 ; Qin et al., 2009 ; Nie et al., 2016 ). Additionally, the differentiation and growth dynamics of axillary buds at different nodes occurred from the top (D2 and D3) to the bottom (D4) ( Xu et al., 2020 ).…”

Section: Discussionmentioning

confidence: 99%

Effects of source-sink regulation and nodal position of the main crop on the sprouting of regenerated buds and grain yield of ratoon rice

Min

Man

et al. 2023

Front. Plant Sci.

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Ratoon rice (Oryza sativa L.) is the production of a second season rice that utilizes the dormant buds surviving on the stubble left behind after the harvest of the main crop. However, the sprouting mechanism of regenerated buds at separate nodes is rarely reported. Field experiments were conducted to examine the effects of leaf-cutting and spikelet thinning on the sprouting of regenerated buds at the separate node, the contributions of regenerated panicles at the separate node to the total grain yield in the ratoon crop, and the associated mechanism. The results showed that the contribution of separate node yields to the total grain yield in the ratoon crop was D2 (panicles regenerated from the 2nd node from the top) >D3 (panicles regenerated from the 3rd node from the top) >D4 (panicles regenerated from the lower nodes below the 3rd node), and the contribution of D2 and D3 made up approximately 80% of the total yield in the ratoon crop. In addition, the effect of leaf-cutting treatment and spikelet-thinning treatment on the grain yield of ratoon season was mainly realized by regulating the relative contribution rate of D2 and D4 grain yield to the total yield of ratoon season. Further analysis indicated that the sprouting of regenerated buds at the D2 node was mainly affected by the content of CTK, while D3 was mainly regulated by GAs and CTK, and D4 was mainly regulated by ABA and CTK. However, only the CTK content in stems and buds was positively correlated with single bud length and bud number at each nodes. These results indicated that CTK might be the main signal regulating the sprouting of regenerated buds and the grain yield at separate nodes, which might change the transport of assimilates to stems and buds.

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“…Low concentrations of oxygen (Kitazawa et al, 2014) or high concentrations of carbon dioxide in combination with low oxygen (Kitazawa et al, 2016) suppress spear sprouting. There are many reports on the induction and breaking of dormancy by low temperature (Krug, 1996(Krug, , 1999Ku et al, 2007;Nie et al, 2016). Jishi and Araki (2013) reported that the harvest period of white asparagus can be extended by storage of rootstocks under snow mounds.…”

Section: Introductionmentioning

confidence: 99%

Effects of High Temperature Treatment on the Sprouting and Elongation Rate of Asparagus Spears

et al. 2019

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In this study, we investigated the effect of high temperature on spear sprouting and elongation in asparagus to explore new approaches to control the harvest period in asparagus production. Four-year-old rootstocks of 'UC157' were grown in chambers in the dark at 30°C (30°C treatment), 34°C (34°C treatment), 38°C (38°C treatment), and 42°C (42°C treatment) for 14 days, and then at 25°C for 18 days. In the 42°C treatment, no spear sprouting was detected, and all rootstocks died. During the high temperature period, the number of sprouted spears was significantly lower in the 38°C treatment than in the 30°C treatment, whereas after the high temperature periods, the number was significantly higher in the 38°C treatment than in the 30°C and 34°C treatments. The total number of sprouted spears during and after the high temperature periods was not significantly different between the 30°C, 34°C, and 38°C treatments. The elongation rate of the spears during the high temperature period was significantly lower in the 38°C treatment than in the 30°C and 34°C treatments, whereas there were no significant differences in the mean spear elongation rate after the three high temperature treatments. These results suggest that a temperature of 38°C can be used to control spear sprouting reversibly by its application and cancellation.

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Effects of low temperature and chilling duration on bud break and changes of endogenous hormones of asparagus

Cited by 10 publications

References 7 publications

Securing Horticulture in a Changing Climate—A Mini Review

Securing Horticulture in a Changing Climate—A Mini Review

Effects of source-sink regulation and nodal position of the main crop on the sprouting of regenerated buds and grain yield of ratoon rice

Effects of High Temperature Treatment on the Sprouting and Elongation Rate of Asparagus Spears

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