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Response of 26 – POP line of POP corn ( Zea mays L. everta ) to the depth of planting and gibberellin spraying

Author: Ahmed Hassan Fadel
Journal: Kufa Journal for Agricultural Sciences مجلة الكوفة للعلوم الزراعية ISSN: 20727798 23128186 Year: 2014 Volume: 6 Issue: 4 Pages: 118-139
Publisher: University of Kufa جامعة الكوفة

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Abstract

This study was conducted in the spring10/3/2012 and autumn seasons of 15/7/2012 in one of Baghdads private fields to find aut the impact of planting depth and GAᴣ in plant hight , raw number ear , seed no. / raw , seed no. / ear , grain yield g/p , 1000 seed weight , seed growth rate , harvesting index and seed splitting perccntage . of POP- 26 corn using RCBD with three replicates .Ina factorial experiment in RCBD of two factors ; planting depths ( 6 , 12 and 18 cm ) and GAᴣ conc ( 0 , 50 and 150 mg / L) .Results indicated that planting depth ( 6 cm) gave the highest harvesting indux . whereas ( 12 cm) depth of planting resulted in the highest means of no. of raws / ear , seed no/raw , seed no. / ear and grain yield . The depth ( 18 cm) gane higher plants , 1000 seed weight , seed growth rate and splitting percentage . On the other hand ( 150 mg / L) GA3 gave the highest means of the tralts studed .The interaction of the two factors ( 12cm and 150 mg / L ) resulted in higher means of the raw no / ear , no. of seeds / raw , seed no./ear and grain yield . The ( 12 cm x 150 mg / L GAᴣ) interaction resulted in higher harvesting index while ( 6 cm x 150 mg / L GAᴣ) gave the highest harvesting index while ( 18 سي( x 150 ) gave the highest plants and 1000 seed no. and sed growth rate and splitting percentage for both seasons

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