CARBOHYDRATES AND YIELD PHYSIOLOGY OF ASPARAGUS Â a GLOBAL OVERVIEW

Wilson, D.R.; Sinton, S.M.; Butler, R.C.; Drost, Dan; Paschold, P.-J.; Kruistum, G. van; Poll, J.T.K.; Garcin, C.; Pertierra, Rosa; Vidal, Iván; Green, K.R.

doi:10.17660/actahortic.2008.776.54

Cited by 27 publications

(51 citation statements)

References 10 publications

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“…In Israel, where winters are mild, fructans in asparagus crowns declined and sucrose increased progressively during fall senescence and winter dormancy. Although simple sugars, mainly sucrose, fructose, and glucose, are used for respiration and spring regrowth (Alden and Hermann, 1971;Norio et al, 2007;Pressman et al, 1993;Wilson et al, 2008), they could also act as cryoprotectants to increase freezing tolerance (Allison et al, 1999).…”

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confidence: 99%

Cold Acclimation Attributes of Two Asparagus Cultivars with Varying Patterns of Fern Senescence

Landry¹,

Wolyn²

2011

J. Amer. Soc. Hort. Sci.

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Adequate winterhardiness is crucial for yield stability of asparagus (Asparagus officinalis) cultivars in southern Ontario, Canada, and could be influenced by pattern of the fall fern senescence. Fern of cultivar Guelph Millennium (GM) turns yellow or senesces by mid-October, before that of cultivar Jersey Giant (JG), which often remains green until a killing frost. Early fern senescence could be a signal for cold acclimation competency and consequently winterhardiness, explaining the superior stand longevity and yield observed for GM compared with JG. A field experiment was conducted from mid-August to November to measure physiological parameters related to cold acclimation in fern, rhizome, and storage roots. During fall, fern chlorophyll concentration, rhizome nitrogen concentration, percent water of the crown, and storage root LT50 (temperature at which 50% cell death occurs) decreased. Cultivars did not differ for storage root percent water; however, values were smaller (greater dehydration) for GM than JG in the rhizome. At the end of the sampling period, GM had higher and lower concentrations of rhizome low-molecular-weight, non-structural carbohydrates and sucrose, respectively, than JG, which could support a hypothesis of greater winterhardiness in GM. Storage root LT50 values of –19 °C and the lack of cultivar differences for this trait, in conjunction with differences between GM and JG for rhizome traits thought to be important for freezing tolerance, suggest characteristics of the rhizome in conjunction with timing of fern senescence may be important in cold acclimation of asparagus.

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mentioning

confidence: 99%

Cold Acclimation Attributes of Two Asparagus Cultivars with Varying Patterns of Fern Senescence

Landry¹,

Wolyn²

2011

J. Amer. Soc. Hort. Sci.

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“…This reduced duration of the harvest period in forced plants was consistent throughout the study and is a key reason why forced yields were lower. Additional reasons for the response likely include reduced stored energy reserve levels in the crown and smaller bud size, assuming that many of the largest and most vigorous buds were initially allowed to grow into ferns (Wilson et al, 1999(Wilson et al, , 2008Woolley et al, 2008). Yields in 2002 were lower than in 2001, even in the normal springharvested plots.…”

Section: Resultsmentioning

confidence: 99%

“…In addition to genetics, environmental conditions, and horticultural management, asparagus yield is determined by the amount of carbohydrate stored in the root system along with the number of buds produced (Wilson et al, 1999). Harvest patterns and environmental conditions cause accumulation and depletion of root system carbohydrates throughout the year and may affect the success of any forcing regimen (Wilson et al, 2008;Woolley et al, 2008).…”

mentioning

confidence: 99%

Performance of Late-Spring Forced Asparagus Rotated with Normal Spring Harvest Under Temperate Climate Conditions

Thomas

Jett

Ellersieck

2011

International Journal of Vegetable Science

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Asparagus (Asparagus officinalis L.) is typically harvested for up to 6 weeks in spring, but cultural techniques can be used to extend the harvest. To force spear production beyond the normal harvest season, asparagus plants are allowed to grow undisturbed in spring and then are mowed later in the season, resulting in a flush of harvestable spears. Repetitive off-season forcing of asparagus does not appear to be a viable production practice in the temperate climate conditions of the Midwestern United States because the growing season is not long enough to permit adequate replenishment of energy reserves after even a brief forced harvest. An experiment was conducted in southwest Missouri to determine whether a system of rotating late-spring forced asparagus harvests with typical spring harvests would allow plants to recover sufficient vigor to establish a sustainable extended asparagus harvest regimen in the region. 'Jersey Knight' asparagus was planted in 1999 and harvested in eight different 3-year rotations involving late-spring forcing and normal spring harvest from 2001 to 2004. Though yield from normal spring harvests increased during the study, plants that were forced one or more times within a rotation produced less marketable yield and did not recover enough vigor to sustain a satisfactory harvest when subsequently rotated back to spring harvest. Initially, late-spring forced plants yielded roughly half that of normal spring-harvested plants. Though forced plants produced good, marketable spears, they were significantly smaller, with mean weight of 8.1 g compared with 10.3 g for normal spring-harvested spears. There appears to be a need for a longer period of

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“…2, Tables 2 and 3). Theoretically, a larger root system should support higher productivity; it is well documented that high amount of storage carbohydrates, big crowns and strong ferns prove the yielding potential of the asparagus plant to be high [26][27][28]. Asparagus is a perennial and a plantation is usually exploited for 8-12 years; its yielding starts 2-4 years after seed sowing but, after seven harvest seasons, the accumulated yields (kg·ha -1 )…”

Section: Biomass Accumulation and Photosynthate Partitioningmentioning

confidence: 99%

BAP Spray and Plastic Container Responses on Asparagus officinalis L. Crown Growth

Pagani¹,

Molinari²,

Benedetto³

2013

JLS

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Abstract:The aims of this work were to study the effect of two different plastic containers on asparagus growth and the effect of early applied 6-benzilaminepurine (BAP) on crown growth during the first two years after seed germination. Although there was not found a root restriction effect with the use of plastic containers, there were significant differences between plants grown in plastic seedbed or single pots which suggesting an unusual and unexpected asparagus autotoxicity. The results showed that crown fresh weight, total dry weight, relative growth ratio (RGR root ), root:shoot ratio and photosynthetic shoot number increased in BAP-sprayed plants over the controls without treatment as a result of a change in photosynthate partitioning towards the root system. The BAP sprays seem to be a greater effect under conditions with favor autotoxicity such as the seedbed than in single pot crown-grown.

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CARBOHYDRATES AND YIELD PHYSIOLOGY OF ASPARAGUS Â a GLOBAL OVERVIEW

Cited by 27 publications

References 10 publications

Cold Acclimation Attributes of Two Asparagus Cultivars with Varying Patterns of Fern Senescence

Cold Acclimation Attributes of Two Asparagus Cultivars with Varying Patterns of Fern Senescence

Performance of Late-Spring Forced Asparagus Rotated with Normal Spring Harvest Under Temperate Climate Conditions

BAP Spray and Plastic Container Responses on Asparagus officinalis L. Crown Growth

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CARBOHYDRATES AND YIELD PHYSIOLOGY OF ASPARAGUS Â a GLOBAL OVERVIEW

Cited by 27 publications

References 10 publications

Cold Acclimation Attributes of Two Asparagus Cultivars with Varying Patterns of Fern Senescence

Cold Acclimation Attributes of Two Asparagus Cultivars with Varying Patterns of Fern Senescence

Performance of Late-Spring Forced Asparagus Rotated with Normal Spring Harvest Under Temperate Climate Conditions

BAP Spray and Plastic Container Responses on Asparagus officinalis L. Crown Growth

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Product

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CARBOHYDRATES AND YIELD PHYSIOLOGY OF ASPARAGUS Â a GLOBAL OVERVIEW