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|標題:||The Growth of 'Shihchi' Guava (Psidium guajava L.) Fruit|
'廿世紀'番石榴(Psidium guajava L.)之果實生長
Three-years-old guava (Psidium guajava L. cv. Shihchi) trees were used to investigate the growth changes of spring and autumn fruit in SirTun, Changhwa. The kinetics of fruit growth showed double sigmoid curves in terms of height, width, fresh weight and volume. The maximum fresh weight, volumn, height and width of fruit were met at autumn. The shape of spring fruit was oblate while that of autumn fruit was elongate. The specific gravity of fruit was decreased from fruit set till final haverst. Cell division were ceased in the 130-140 day and 60-70 day after bloom, number of cell layers were 309 and 327 as well as the average length of cell were 69μm and 70μm for spring and autumn fruit growth, which increased rapidly to maximun when fruit reached maturity, the time were 170-180 day and 110-120 day after bloom for spring and autumn fruit, respectively.
|Appears in Collections:||第21期|
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