Local CO2 Application within Strawberry Plant Canopy Increased Dry Matter Production and Fruit Yield in Summer and Autumn Culture

IF 2.4 3区 农林科学 Q2 HORTICULTURE
Y. Mochizuki, Sou Murakami, Takurou Kobayashi, K. Worarad, Yukio Yonezu, H. Umeda, T. Okayama, E. Inoue
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引用次数: 1

Abstract

ABSTRACT June-bearing strawberry cultivars have been widely grown in Japan. Since they are harvested in winter and spring, little produce is available in summer and autumn. To achieve stable year-round supply, we need to expand the production area of ever-bearing cultivars. Here, we examined whether it is possible to increase dry matter (DM) production and fruit yield by increasing the CO2 concentration within the plant canopy through local application to promote photosynthesis in summer and autumn protected culture. We investigated the CO2 concentration in the plant canopy, DM production characteristics, yield characteristics, fruit quality, projected leaf area, cumulative light interception, and light use efficiency. We confirmed that the CO2 concentration within the plant canopy could be increased in summer and autumn (Control; 398 ppm, CO2; 1280 ppm), significantly increasing DM production and total yield (Control; 349 g, CO2; 447.5 g). We consider that local application of CO2 increased the projected leaf area and thus cumulative light interception. This method may help to increase fruit yield in summer and autumn protected culture.
在草莓植株冠层内局部施用CO2可提高夏、秋栽培干物质产量和果实产量
六月草莓品种在日本广泛种植。由于它们在冬季和春季收获,夏季和秋季的产量很少。要实现全年稳定供应,就要扩大常育品种的生产面积。本文研究了在夏秋保护地栽培中,通过局部施用增加树冠内CO2浓度来促进光合作用,是否有可能提高干物质(DM)产量和果实产量。研究了植物冠层CO2浓度、DM生产特性、产量特性、果实品质、投影叶面积、累积光截获和光能利用效率。在夏季和秋季,植物冠层内的CO2浓度可以增加(对照;398 ppm,二氧化碳;1280 ppm),显著提高DM产量和总产量(控制;349 g, CO2;我们认为,局部施用CO2增加了预计叶面积,从而增加了累积的光截获。该方法可提高夏、秋保护地栽培的果实产量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International Journal of Fruit Science
International Journal of Fruit Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
6.40
自引率
0.00%
发文量
64
审稿时长
10 weeks
期刊介绍: The International Journal of Fruit Science disseminates results of current research that are immediately applicable to the grower, extension agent, and educator in a useful, legitimate, and scientific format. The focus of the journal is on new technologies and innovative approaches to the management and marketing of all types of fruits. It provides practical and fundamental information necessary for the superior growth and quality of fruit crops. This journal examines fruit growing from a wide range of aspects, including: -genetics and breeding -pruning and training -entomology, plant pathology, and weed science -physiology and cultural practices -marketing and economics -fruit production, harvesting, and postharvest
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