Abstract
In recent research, early stages of coffee seedling development were identified, after radicle protrusion, in which all the essential parts of the seedling can be assessed to demonstrate the potential of seed germination to generate normal plants. Thus, the objective of this research was to develop studies to reduce the time on the germination test. Ten seed lots of coffee were assessed through the germination test, every two days, from the tenth day of sowing, according to the morphological criteria of the seedlings. The data were compared to the standard germination test and analyzed by means of regression analysis and segmented nonlinear regression and planteau response model. It was concluded that the assessment of coffee seedlings at 16 days, in stage S1, provides the similar result of the pattern germination test, allowing a significant reduction of time in order to demonstrate the germination of the seed lots; the seedling assessment coffee in stage S2 does not have reduction of the time for assessing the coffee germination, in relation to the pattern.
Highlights
The seed germination is the resumption of growth of the embryonic axis, paralyzed in the final stages of maturation, occurring in three distinct phases (Bewley and Black, 1994; Marcos-Filho, 2005)
According to the authors of this work, all essential parts of a coffee seedling can be identified and assessed in a period of less than 30 days (Brasil, 2009). This data suggests that the germination test can be substantially reduced, enabling quickly obtainment of the results of the assessment of the seeds physiological quality
The experiment was conducted at the Central Laboratory of Seed Analysis of Universidade Federal de Lavras
Summary
The major drawback of this method is that the coffee seeds have slow and irregular germination, besides low storage potential, which makes it difficult to obtain seedlings with desirable standard of quality at the time of planting, besides hindering the assessment of the feasibility and seeds vigor, because of excessive time spent to obtain the results. According to the authors of this work, all essential parts of a coffee seedling can be identified and assessed in a period of less than 30 days (Brasil, 2009). This data suggests that the germination test can be substantially reduced, enabling quickly obtainment of the results of the assessment of the seeds physiological quality.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
