The Effects of Antitranspirants on Agricultural Crops in Dryland

چکیده

Abstract

     Antitranspirants are chemical compounds applied to the leaves of plants to reduce water loss (transpiration) without causing significant changes in important processes such as photosynthesis and plant growth. The overall objective of this study is to examine the types of antitranspirants, their mechanisms of action, use and their importance in agriculture, particularly in dryland to reduce water loss (transpiration). The content related to this topic has been gathered and organized qualitatively using reputable scientific and academic books, scientific journals and reviews of national and international articles. The results of the studies indicate that these compounds can be classified into four distinct categories based on their mode of action; stomata closing type, film-forming, leaf reflectance and growth retardants type. The use of these compounds in cereal crops plays a crucial and important role in conserving water in the soil profile, significantly increasing water retention capacity and leading to enhanced photosynthetic rates, stomata resistance, chlorophyll content, protein, oil, proline and improved antioxidant enzyme activity. Furthermore, the application of antitranspirants results in a remarkable increase in seed germination, growth rates, and most importantly, an increase in yield and characteristics that positively affect the yield of various cereals crops.

Keywords: leaf, Cycocel, Moblieal, Kaolin and Uniconazole