OALibJ  Vol.2 No.6 , June 2015
Greenness, Plant Height and Yellow Berry of the Wheat Grain in Response to Paclobutrazol
Abstract: To know the response of the wheat in the greenness, plant height and grain with yellow berry, paclobutrazol (PBZ) was applied to the foliage of the cultivars “Cachanilla F-2000”, “Yécora F-70” and “Yécora Red”. Doses were 0 (control), 50, 100, 150, 200, 250, 300 and 350 mg of PBZ L﹣1 of water, which were applied only once with a hand pump. The experimental design was a randomized complete block with four replications; experimental units of four rows of 20 m long, which were fertilized with 364 kg·N·ha﹣1 more 56 kg of P, were applied in preseeding. In “Cachanilla F-2000” greenness, the maximum increase (7.2%) was achieved with 100 mg of PBZ L﹣1 of water. In “Yécora F-70” was 12.2% with 300 mg, and in “Yécora Red” was 19.1% with 50 mg of PBZ. In “Cachanilla F-2000” height decreased 6.0%, 6.3%, 6.3%, 9.4%, 10.7%, 10.9% and 13.0% with 50, 100, 150, 200, 250, 300 or 350 mg of PBZ, compared with the control. In “Yécora F-70” the largest decrease (10%) occurred with 150 mg of PBZ, while in “Yécora Red” height decreases ranged from 7.9% - 17.0% with doses of 50 - 350 mg. The yellow berry decreased from 48.5% - 74.4% in “Cachanilla F-2000”, and to zero in “Yécora F-70” and “Yécora Red”. These results indicate that PBZ can be used to increase greenness and photosynthesis to improve the quality of the grain of flour and durum wheat.
Cite this paper: Márquez, A. , Medina, J. , Ruvalcaba, L. , Tafoya, F. , Juárez, M. , Alcaraz, T. and López, R. (2015) Greenness, Plant Height and Yellow Berry of the Wheat Grain in Response to Paclobutrazol. Open Access Library Journal, 2, 1-7. doi: 10.4236/oalib.1101581.

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