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Effect of Seed Characters and Physiological Quality in Tropical Maize (Zea mays L.)

Authors: Oyekale Kehinde

Publication Type: Journal article

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Abstract

Experiments were conducted to determine the effects of seed shape (round and flat) in four varieties of tropical maize (DMR-ESR-Y, DMR-LSR-Y, SUWAN-1-SR and ART 98-SW-1) and their interactive effects on seed characters and physiological quality during the early cropping season of 2005. The study was also carried out with the view to gain information to be used during seed conditioning. The graded seeds were evaluated for seed characters (100-seed weight, seed width, seed length and seed thickness) and seed physiological quality (seed germination, seedling emergence, speed of germination, fresh and dry seed weights and seedling growth rate). Data were analyzed for analysis of variance, and significant treatment means were separated using Duncanâ€™s multiple range tests (at 5% level of probability). Results showed that significant differences were observed for 100-seed weight, seed thickness, speed of germination and seedling emergence. Seed shape had significant effect on seed length, seed width, seed thickness and all the seed physiological quality traits except fresh seedling weight. Significant interaction of cultivar and seed shape for 100-seed weight was due to differences in the seed shape. Flat seeds were significantly bigger in seed length, seed width and seed thickness than the round seeds. On the other hand, determination of the seed physiological quality indicated that flat seeds were significantly superior in performance in terms of seed germination, seed emergence, speed of germination, seedling dry weight and seedling growth rate.

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Oyekale,K. . (0000). Effect of Seed Characters and Physiological Quality in Tropical Maize (Zea mays L.), 0 (), 0-0.

Oyekale,K. . "Effect of Seed Characters and Physiological Quality in Tropical Maize (Zea mays L.)" 0, no (), (0000): 0-0.

Oyekale,K. and . (0000). Effect of Seed Characters and Physiological Quality in Tropical Maize (Zea mays L.), 0 (), pp0-0.

OyekaleK, . Effect of Seed Characters and Physiological Quality in Tropical Maize (Zea mays L.). 0000, 0 ():0-0.

Oyekale,Kehinde , . "Effect of Seed Characters and Physiological Quality in Tropical Maize (Zea mays L.)", 0 . (0000) : 0-0.

O.Kehinde , "Effect of Seed Characters and Physiological Quality in Tropical Maize (Zea mays L.)" vol.0, no., pp. 0-0, 0000.

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