Germination ecophysiology of germination of Theobroma cacao L. genotypes

被引：0

作者：

Lavanhole, Daniele Freisleben ^{[1
]}

Arantes, Sara Dousseau ^{[1
]}

Arantes, Lucio de Oliveira ^{[1
]}

Spaggiari Souza, Carlos Alberto ^{[2
]}

Prucoli Posse, Sheila Cristina ^{[1
]}

Neto, Basilio Cerri ^{[1
]}

Crasque, Jeane ^{[1
]}

机构：

[1] Inst Capixaba Pesquisa Assistencia Tecn & Extensa, BR 101N,Km 151,Caixa Postal 62, Linhares, ES, Brazil

[2] Comissao Execut Plano Lavoura Cacaueira, BR 101,Km 150, Linhares, ES, Brazil

来源：

IHERINGIA SERIE BOTANICA | 2019年 / 74卷

关键词：

desiccation; rootstocks; seeds; temperature; SEED-GERMINATION; DESICCATION TOLERANCE; TEMPERATURE; SENSITIVITY; COCOA; LIGHT;

D O I：

10.21826/2446-82312019v74e2019007

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The aim of this study was to evaluate the interaction of the genotypes with common temperatures (common, TSH-1188, ESFIP-02, CCN-51, Ipiranga-01, SJ-02, PH-16, PS-1319, CEPEC-2002 and Catongo) (15 degrees C, 20 degrees C, 25 degrees C, 30 degrees C, 35 degrees C, 40 degrees C, 15-25 degrees C and 20-30 degrees C) and drying periods (0, 2 and 4 days) on germination and post-germination cacao tree. The genotype / temperature interaction study was a 10 x 8 factorial, while the desiccation tolerance was a 10 x 3 factorial. Variance analysis was performed and the means were compared using the Scott-Knott grouping test (p < 0.05). For the temperature influence test, the means obtained were submitted to the regression test. The temperature response was influenced differently by the genotype. The TSH-1188 genotype was the only one to present quite distinct behavior, with germinability and vigor above the temperatures tested. As for seed desiccation, the evaluated genotypes had a significant reduction of vigor.

引用

页数：10

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