果实成熟期和植物调控因子对百香果种子生理品质的影响。我是塞拉多

Pub Date : 2023-07-28 DOI:10.1590/0100-29452023512
F. A. D. Silveira, F. Faleiro, J. S. Oliveira, N. Junqueira, José Eufrosino de Araújo Neto, Geisybell Lopes Damacena
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引用次数: 0

摘要

摘要本研究旨在评价植物调节剂对红枣果实成熟阶段和发芽前处理对红枣种子生理品质的影响。我是塞拉多。在3 × 2因子安排下,采用完全随机设计进行萌发和出苗两项试验,成熟期为3个阶段(1-部分成熟果实;2个完全成熟的果实和3个衰老的果实)和2个发芽前处理(1。[GA4+7 +N-(苯基甲基)-氨基嘌呤(300 ppm)]和2。蒸馏水),形成6个处理,4个重复,50个种子。评价指标为14和35 d发芽率、萌发速度指数(GSI)、出苗率和出苗速度指数(ESI)。成熟期对14 d发芽率、GSI和出苗率没有影响,但施用植物调节剂后发芽率和GSI较高。部分成熟果实经调节剂处理后的种子最终萌发率较高,衰老果实经调节剂处理后的种子萌发率较高。用植物调节剂处理过的种子生命力更强,出苗率更高。
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Effect of fruits maturation stage and vegetal regulators in the physiological quality of seeds sweet passion fruit cv. BRS Mel do Cerrado
Abstract This study aimed to evaluate the effect of fruit maturation stages and pre-germination treatments with plant regulators on the physiological quality of seeds of cv. BRS Mel do Cerrado. Two experiments were carried out, germination and emergence, installed in a completely randomized design in a 3 x 2 factorial arrangement, with three stages maturation (1-partially ripe fruits; 2-fully ripe fruits and 3-senescent fruits) and two pre-germination treatments (1. [GA4+7 +N-(phenylmethyl)-aminopurine (300 ppm)] and 2. distilled water), forming six treatments with four replications of 50 seeds. The evaluated characteristics were germination percentage at 14 and 35 days, germination speed index (GSI), emergence percentage and emergence speed index (ESI). Germination at 14 days, GSI and seedling emergence were not affected by the maturation stage, however germination and GSI were higher when the plant regulator was used. The final percentage of germination was higher in seeds taken from partially ripe fruits and treated with regulators and a higher ESI was observed for seeds from senescent fruits and treated with regulator. Seeds treated with plant regulators are more vigorous and have a higher rate of seedling emergence.
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