Assessment of Seed Vigor Tests for Crambe abyssinica

Tássia Fernanda Santos Neri Soares, Bruno Antônio Lemos de Freitas, José Geraldo de Araújo Ferreira Filho, Denise Cunha Fernandes dos Santos Dias, Camila Andrade Fialho, André Dantas de Medeiros, Rafael Macedo de Oliveira and Alice de Souza Silveira

Journal of Agricultural Science, 2024, vol. 10, issue 12, 527

Abstract: Vigor tests are important mainly to identify differences associated to lots performance in field conditions. The objective of this study was to define the most appropriate tests to evaluate the crambe (Crambe abyssinica) seeds vigor. Seven seed lots of crambe were subjected to the standard germination (on the first and last count), germination speed index (GSI), primary root protrusion speed index (PRPSI), seedling length dry and weight seedling, water stress test using PEG 6000 at -0.2 MPa, electrical conductivity and cold test without soil. Crambe lots studied had germination percentages varying from 54 to 80.5%. The GSI, on the first count of water stress and electrical conductivity test ranked lots between two vigor classes The PRPSI, seedling length, seedling dry weight and last count of water stress tests were less sensitive to evaluate vigor for crambe seed. The cold test without soil and the first count of standard germination test were capable to dishtinguish lots more efficiently than the standard germination test on last count by ranking four of the seven seed lots studied.

Date: 2024
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