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Can Electrophysiological Parameters Substitute for Growth, and Photosynthetic Parameters to Characterize the Response of Mulberry and Paper Mulberry to Drought? TEXT SIZE: A A A

Drought is a key factor restricting plant survival, growth and development. The physiological parameters of plants are commonly used to determine the water status, in order to irrigate appropriately and save water. In this study, mulberry (Morus alba L.) and paper mulberry (Broussonetia papyrifera (L.) Vent.) seedlings were used as experimental materials, and four soil moisture treatments were set up for both plant species: 70-75% (CK: the control group, referred to as T0), 55-60% (T1: mild drought), 40-45% (T2: moderate drought), and 25-30% (T3: severe drought). The growth parameter of the plants was measured every two days from the onset of the treatment, the photosynthetic and electrophysiological parameters of the plants were measured every other week for a total of five times. The physiological responses and electrophysiological traits of leaves under different treatment levels were analyzed. The results showed that the photosynthetic and electrophysiological parameters could characterize the response of mulberry growth and development to soil water, and the growth and electrophysiological parameters could characterize the response of paper mulberry growth and development to soil water. Mild drought had no significant effects on the growth and development of mulberry and paper mulberry.

Publication name

 PLANTS-BASEL Volume: 10 Issue: 9 Article Number: 1772 DOI: 10.3390/plants10091772 Published: SEP 2021

Author(s)

 Yu, Rui; Wu, Yanyou; Xing, Deke

Corresponding author(s) 

 WU Yanyou 
 wuyanyou@mail.gyig.ac.cn   
 Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Res Ctr Environm Biosci & Technol, Guiyang 550081, Peoples R China.

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