Uso Do Gene Leafy Em Cana-de-acucar

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cana do açúcar

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Ueslei teria um lucro de Melloni 1Maximiliano S. Landell 1Luciana R.

ABSTRACT Flowering is essential in any breeding programme, particularly in genetic introgression programmes in which flowering synchronism is required. In this work, 16 sugarcane genotypes were evaluated using three different flowering-inductive photoperiod treatments 30 s, 45 s, and 1 min of a daily photoperiod decrease from 12 h 55 of light.

403 Forbidden 2018

Cana-de-acucar Each genotype was planted in 43 L pots equal proportion of soil, sand, and Leafy with three Gene per pot. Plants with 4 to 6 internodes were placed in a photoperiod facility with three controlled chambers, each chamber Uso more info 16 genotypes one treatment per chamber.

The flower induction started in September and ended in April The plant elongation and flag leaf and inflorescence emergence were recorded and the pollen viability was evaluated by using the iodine staining method. The photoperiod facility provided suitable conditions for flowering, as the plants in the three treatments successfully flowered. The genotypes in the three treatments behaved differently in relation to the date of panicle emergence, with the treatment of 45 s showing better results.

The results here presented contribute to synchronise flowering for desired sugarcane crosses, particularly those from introgression programmes between commercial cultivars and species from the Saccharum complex.

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