Water-soaking and cracking in strawberry: Mechanism and causes
草莓浸水、开裂的机理及原因
基本信息
- 批准号:426627435
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2019
- 资助国家:德国
- 起止时间:2018-12-31 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Mature fruits of strawberry show very limited rainfastness. First, their wetted skins soon show signs of water-soaking and, second, this is quickly followed by a progressive disintegration of the underlying flesh tissues. Neither problem is at all reversible upon drying. Protected cultivation is the only measure currently available that reliably limits these problems but this significantly increases the cost of production. A third problem is the rapid softening of the fruit once maturity is reached – both pre- and post-harvest. These three factors dominate in the determination of fruit quality at point of sale. Here, we set out to investigate the hypothesis that all three phenomena are directly or indirectly related to fruit water relations. Our objectives are to identify the mechanistic bases of water soaking and cell rupture in the flesh. We will focus on: (1) characterising the cytology of the skins of strawberry fruit - with and without signs of rain damage, (2) determining the rate of water transport into the fruit through the stalk, (3) quantifying the rates of fruit water loss (transpiration) through the fruit surface and (4) establishing the effects of calcium and turgor on: (i) fruit firmness, (ii) cell-wall swelling, (iii) tissue fracture mode and (iv) susceptibility to rain damage. We expect to obtain the underpinning information required to understand the physiology of strawberry fruits and their quality and to determine how these are affected by fruit water relations. This information is required to develop strategies to mitigate rain damage (water soaking, flesh disintegration) and to help maintain fruit firmness via both altered production methods and fruit breeding.
草莓的成熟果实表现出非常有限的耐雨性。首先,它们的湿皮肤很快就显示出浸水的迹象,其次,这很快就伴随着下面的肉组织的逐步分解。这两个问题在干燥时都是不可逆的。保护性耕作是目前唯一可以可靠地限制这些问题的措施,但这大大增加了生产成本。第三个问题是一旦达到成熟期,果实就会迅速软化-无论是在收获前还是收获后。这三个因素在销售点决定水果质量时占主导地位。在这里,我们着手调查的假设,这三种现象都直接或间接地与水果水的关系。我们的目标是确定水浸泡和细胞破裂在肉的机械基础。我们将重点关注:(1)表征草莓果实表皮的细胞学-有和没有雨水损害的迹象,(2)确定通过茎进入果实的水运输速率,(3)量化果实水分损失速率(蒸腾)通过水果表面和(4)建立钙和膨压的影响:(i)果实硬度,(ii)细胞壁膨胀,(iii)组织断裂模式和(iv)对雨水损害的敏感性。我们希望获得所需的基础信息,以了解草莓果实的生理和质量,并确定这些是如何影响水果水的关系。需要这些信息来制定战略,以减轻雨水损害(水浸泡,果肉崩解),并通过改变生产方法和水果育种来帮助保持水果的硬度。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Moritz Knoche其他文献
Professor Dr. Moritz Knoche的其他文献
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{{ truncateString('Professor Dr. Moritz Knoche', 18)}}的其他基金
Spray application of Calcium salts: An effective means to improve cracking susceptibility in sweet cherry?
喷施钙盐:提高甜樱桃裂裂敏感性的有效手段?
- 批准号:
321741628 - 财政年份:2016
- 资助金额:
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Water relations in detached sweet cherry fruit and their role in the postharvest disorder 'orange peel' (shrivelling)
分离甜樱桃果实中的水分关系及其在采后病症“橙皮”(枯萎)中的作用
- 批准号:
248837982 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Research Grants
Die Rolle des Turgors beim Platzen von Süßkirschen
膨压在甜樱桃爆裂中的作用
- 批准号:
236400832 - 财政年份:2013
- 资助金额:
-- - 项目类别:
Research Grants
Wege, Mechanismen und Einflussfaktoren auf den Wassertransport durch die Oberfläche von Süßkirschen
影响甜樱桃表面水分传输的途径、机制和因素
- 批准号:
5419648 - 财政年份:2003
- 资助金额:
-- - 项目类别:
Research Grants
Water uptake through the sweet cherry fruit surface
通过甜樱桃果实表面的水分吸收
- 批准号:
5378761 - 财政年份:2002
- 资助金额:
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Research Grants
Wasseraufnahme von Süßkirschen und Beziehung zum Platzen der Früchte
甜樱桃的吸水率及其与胀果的关系
- 批准号:
5170476 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Research Grants
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欧洲李子的颈部枯萎:机制和原因
- 批准号:
436553869 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
Russeting in ‘Apple Mango’: Causes, consequences and management
“苹果芒果”中的赤褐色:原因、后果和管理
- 批准号:
448601884 - 财政年份:
- 资助金额:
-- - 项目类别:
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