Inhibition of transpiration in rice by prohydrojasmon compared with that by commercially available microcrystalline and paraffin wax agents

IF 1.6 3区农林科学 Q2 AGRONOMY

Plant Production Science Pub Date : 2021-04-23 DOI:10.1080/1343943X.2021.1915694

Kazuko Morino, M. Chiba, K. Umemura

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引用次数: 0

Abstract

ABSTRACT Prohydrojasmon (PDJ), a synthetic derivative of the plant hormone jasmonic acid, has been identified as a plant growth regulator used in various fruit and rice seedlings. In this study, we demonstrate the inhibition of transpiration by PDJ in the indica rice cultivar cv. Takanari compared with commercially available microcrystalline and paraffin wax agents in a greenhouse. Microcrystalline and paraffin wax agents inhibited approximately 30%–50% transpiration 3 h after application, and the inhibition lasted for seven days after treatment, depending on the concentration and the agent used. In contrast, PDJ inhibited approximately 40%–80% transpiration compared with control 0.5 h after treatment, and the effect lasted for one day. However, the effect almost disappeared 7 days after treatment. Thus, PDJ affects transpiration differently than commercially available products and could be used to lower excess transpiration in rice, specifically when an early, transient, and reversible inhibition is needed. GRAPHICAL ABSTRACT

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原茉莉对水稻蒸腾的抑制作用与市售微晶剂和石蜡剂的比较

原氢茉莉素(Prohydrojasmon, PDJ)是植物激素茉莉酸的合成衍生物，已被确定为植物生长调节剂，用于多种水果和水稻幼苗。在本研究中，我们证明了PDJ对籼稻品种cv蒸腾的抑制作用。Takanari在温室中比较了市售的微晶蜡剂和石蜡剂。微晶剂和石蜡剂在施用后3小时抑制了约30%-50%的蒸腾作用，并且在处理后持续7天，这取决于使用的浓度和药剂。与对照相比，PDJ在处理后0.5 h可抑制约40% ~ 80%的蒸腾，且效果持续1天。但在治疗7天后，效果几乎消失。因此，PDJ对蒸腾作用的影响不同于市售产品，可用于降低水稻的过量蒸腾作用，特别是当需要早期、短暂和可逆的抑制作用时。图形抽象

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来源期刊

Plant Production Science 农林科学-农艺学

CiteScore

5.10

自引率

4.00%

发文量

审稿时长

>36 weeks

期刊介绍： Plant Production Science publishes original research reports on field crops and resource plants, their production and related subjects, covering a wide range of sciences; physiology, biotechnology, morphology, ecology, cropping system, production technology and post harvest management. Studies on plant production with special attention to resource management and the environment are also welcome. Field surveys on cropping or farming system are also accepted. Articles with a background in other research areas such as soil science, meteorology, biometry, product process and plant protection will be accepted as long as they are significantly related to plant production.