Repeated runner removal after harvest and floating row cover during fall affect carbohydrate status and yield potential of strawberry cvs. Polka and Wendy in the Northern climate

IF 1 4区农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY

Agricultural and Food Science Pub Date : 2022-10-17 DOI:10.23986/afsci.120423

P. Palonen, Iiris Lettojärvi, A. Koivisto, Arja Raatikainen

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引用次数: 0

Abstract

We investigated the impact of repeated runner removal after harvest and row cover during fall on strawberry (Fragaria × ananassa) cvs. Polka and Wendy cropping potential in the joint project of the University of Helsinki and the Rural Advisory Services Finland. Field trials were carried out in 2017 to 2019 on strawberry farms in Southern Ostrobothnia, Finland, at 62°49′N. The treatment effects on the crown carbohydrate reserves, flowering, and yield were recorded. Runner removal three times in three-week intervals after harvest decreased the crown starch reserves but increased the length of the apical inflorescence initials as observed through flower mapping in November, and the numbers of inflorescences and flowers in cv. Polka. Floating row cover after flower induction in September to October hastened floral development in the fall and increased the numbers of inflorescences, flowers, and fruit in cv. Wendy. Although the effects may depend on a cultivar and weather conditions during fall, repeated removal of runners after harvest and covering plants with a floating row cover after flower induction are recommended to increase strawberry yield potential in the Northern climate.

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收获后反复去除流道和秋季浮行覆盖对草莓植株碳水化合物状态和产量潜力有影响。波尔卡和温迪在北方的气候

研究了采后重复除草和秋季垄盖对草莓(Fragaria × ananassa)植株的影响。赫尔辛基大学和芬兰农村咨询服务处联合项目的波尔卡和温蒂种植潜力。田间试验于2017年至2019年在芬兰南部Ostrobothnia的62°49′n草莓农场进行。记录了处理对树冠碳水化合物储量、开花和产量的影响。通过11月份的花图观察，收获后3周内去除3次流道减少了冠淀粉储量，但增加了顶部花序首条的长度，增加了花期花序和花的数量。波尔卡舞。9 ~ 10月花诱导后的浮行覆盖促进了秋季花的发育，增加了穗数、花数和果实数。温蒂。尽管效果可能取决于栽培品种和秋季的天气条件，但建议在收获后反复移除植株，并在花诱导后用浮动行盖覆盖植株，以提高北方气候下草莓的产量潜力。

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来源期刊

Agricultural and Food Science 农林科学-农业综合

CiteScore

2.50

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： Agricultural and Food Science (AFSci) publishes original research reports on agriculture and food research related to primary production and which have a northern dimension. The fields within the scope of the journal include agricultural economics, agricultural engineering, animal science, environmental science, horticulture, plant and soil science and primary production-related food science. Papers covering both basic and applied research are welcome. AFSci is published by the Scientific Agricultural Society of Finland. AFSci, former The Journal of the Scientific Agricultural Society of Finland, has been published regularly since 1928. Alongside the printed version, online publishing began in 2000. Since the year 2010 Agricultural and Food Science has only been available online as an Open Access journal, provided to the user free of charge. Full texts are available online from 1945 on.