IPI International Potash Institute
IPI International Potash Institute

科学论文: e-ifc No. 38, September 2014

棉花典型的缺钾症状。摄影:D.M.Oosterhuis.

钾与抗胁迫:棉花中钾的生理性功能及其管理

Oosterhuis, D.M.(1), D.A. Loka(1), and T.B. Raper(1)

摘要

(1)阿肯色州大学作物土壤与环境科学,Fayetteville, AR 72701, USA。
通讯作者: oosterhu@uark.edu

注:本文是植物营养与土壤科学杂志2013年的文章“钾与抗胁迫:棉花中钾的生理功能及其管理”的部分内容修改后的再版。Journal of Plant Nutrition and Soil Science 2013, 176(3):331-343, 版权: Wiley-VCH Verlag GmbH & Co. KGaA. 再版得到了版权所有方的许可.

钾是促进作物生长和发育最重要的元素之一。此外,钾还具有许多与作物健康相关的生理功能,这些功能可以缓解作物生长发育过程中生物性和非生物性的胁迫。然而,钾的普遍缺乏导致了作物生长缓慢、产量减少、纤维品质降低。本文综述了钾元素的生理性功能及其在减少胁迫中的作用,总结了农学方面的关于钾的需求、土壤及作物的钾元素状态诊断以及改良建议等。钾的生理性过程包括酶和有机质化合物合成、水分生理和气孔调节、光合作用、运输过程、细胞信号传导,以及作物对干旱、寒冷、盐碱等以及生物胁迫的响应特征。钾肥的农学特性表现为棉花对钾的需求、钾吸收和土壤特性、钾吸收和利用中的基因差异和缺钾的主要症状等。此外,还讨论了土壤和作物中钾状态的诊断方法和改善措施。

In your Language

Choose your Crop

Choose your App
IPI research e-ifc app for iPad and iPhone available now from the Apple App Store
IPI Research App for Android and Apple phones and tablets.

Infographics
The Role of Potassium (K) in the Plant (in Urdu)
Potassium and Nitrogen Use Efficiency (NUE) in Urdu
Potassium in Soil and Plant Systems (in Urdu)
IPI profile infographic
Chloride - an essential nutrient
Potassium and Nitrogen Use Efficiency (NUE)
Managing Water and Fertilizer for Sustainable Agricultural Intensification - infographic
Potassium Improves your Crop Quality
Potassium Improves your Health
Potassium in Soil and Plant Systems
The Role of Potassium (K) in the Plant
What does a Plant Need to Live
Assessment of the Impact of Targeted Use of Fertilizer on Irrigated Rice in Asia
The Role of Potassium (K) in the Plant (in Urdu)

New publication