Seed provenance, thermoperiod, and photoperiod affect low water potential tolerance during seed germination of the multipurpose exotic tree Prosopis juliflora

2021 ◽  
Vol 195 ◽  
pp. 104627
Author(s):  
Abdul Hameed ◽  
Ali El-Keblawy ◽  
Mariam Aljasmi ◽  
Sanjay Gairola ◽  
Shyam S. Phartyal ◽  
...  
Keyword(s):  
Seed Germination ◽  
Water Potential ◽  
Prosopis Juliflora ◽  
Exotic Tree ◽  
Low Water Potential ◽  
Seed Provenance ◽  
Potential Tolerance

Seed germination of pitaya (Hylocereus spp.) as affected by seed extraction method, storage, germination conditions, germination assessment approach and water potential

2019 ◽  
Vol 33 (3) ◽  
pp. 372-394
Author(s):  
Dessireé Zerpa-Catanho ◽  
Andrés Hernández-Pridybailo ◽  
Viviana Madrigal-Ortiz ◽  
Adonay Zúñiga-Centeno ◽  
Carolina Porras-Martínez ◽  
...  
Keyword(s):  
Seed Germination ◽  
Water Potential ◽  
Extraction Method ◽  
Assessment Approach ◽  
Seed Extraction

Modeling germination and seedling elongation of common lambsquarters (Chenopodium album)

Weed Science ◽  
1999 ◽  
Vol 47 (2) ◽  
pp. 149-155 ◽  
Author(s):  
Erivelton S. Roman ◽  
A. Gordon Thomas ◽  
Stephen D. Murphy ◽  
Clarence J. Swanton
Keyword(s):  
Seed Germination ◽  
Water Potential ◽  
Mechanistic Model ◽  
Chenopodium Album ◽  
Seedling Emergence ◽  
Probit Analysis ◽  
Hydrothermal Time ◽  
Time Model ◽  
Common Lambsquarters ◽  
Radicle Elongation

The ability to predict time of weed seedling emergence relative to the crop is an important component of a mechanistic model describing weed and crop competition. In this paper, we hypothesized that the process of germination could be described by the interaction of temperature and water potential and that the rate of seedling shoot and radicle elongation vary as a function of temperature. To test these hypotheses, incubator studies were conducted using seeds and seedlings of common lambsquarters. Probit analysis was used to account for variation in cardinal temperatures and base water potentials and to develop parameters for a new mathematical model that describes seed germination and shoot and radicle elongation in terms of hydrothermal time and temperature, respectively. This hydrothermal time model describes the phenology of seed germination using a single curve, generated from the relationship of temperature and water potential.

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