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The chromosomes of longan were investigated through root tips and shoot tips by Fuelgen Squash method. Different time of sample collection were taken between 07:00 to 12:00 hr. The results showed that (a) chromosome number examined from both tissues appeared to be identical (2n = 30), (b) chromosomes from root tips showed better morphology than those from shoot tips and (c) the best time for sample collection was between 09:00 to 10:00 hr.
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References
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