Effect of the size and the time of conservation in the quality of the papaya (carica papaya l.) seed (Original)
Keywords:
carica papaya; latency; germination; vigor; qualityAbstract
The seed quality is a determining element to achieve high percentages of germination and seed vigor, which is influenced, as in the case of papaya, by size and conservation time. In order to evaluate the papaya seed size effect on its quality; and its influence through the storage time under conservation conditions, an investigation was carried out with fruit seeds from a commercial plantation at the Jucaibama Experimental Station of the Jorge Dimitrov Agricultural Research Institute. The experiment was carried out in the Laboratory of Trial of Seeds of the State Unit Base of Seeds, both located in the Bayamo municipality, Granma province, Cuba. Were preparated 6, T1 treatments (less than 3.0 mm); T2 (3.0 mm); T3 (3.25 mm); T4 (3.50 mm); T5 (3.75 mm) and T6 (greater than 4.0 mm), to which the physical and sanitary quality were evaluated by the visual method, and the physiological quality through the variables Vigor, germination, affectation by harmful microorganisms, time of germination and synchronization index at 0; 120; 240 and 360 days after produced seed, where the results showed significant differences for all the variables studied between the seeds with calibers lower than three millimeters with the rest of the treatments, except for the incidence of harmful organisms to which the seed size was indifferent.
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