APLIKASI TIGA DOSIS PUPUK FOSFOR PADA EMPAT VARIETAS SORGUM (Sorghum bicolor (L.) Moench) DALAM MENINGKATKAN KOMPONEN HASIL DAN MUTU FISIOLOGIS BENIH
Abstract: The objective of
this research was increase yield components and physiological seed quality and
determined the proper dose of phosphorus fertilizer on four sorghum varieties.
This research has been conducted in
Field Experiment and the plant breeding laboratory, Faculty of Agriculture,
University of Riau, from April 2014 to October 2014. The research conducted by
using randomized block
design (RBD) which arranged
factorial with 2 factors and 3 replications. The first factor was a fertilizer
dose of SP-36, namely: 45 kg SP-36, 90
kg SP-36 kg and 135 kg SP-36 / ha. The second factor was the sorghum varieties
those Kawali, Numbu, Pahat and Mandau. The mean separation of analysis of
variance was tested using Duncans multiple range test at 5%. Parameters those
observed: seed weight / panicle, weight of 1000 seeds, seed weight/m2, seed
moisture content, germination test, first count test, rate of germination,
seedling dry weight, plumule growth and radicel test. The results showed that
phosphorus fertilizer increases the grain weight / panicle, weight of 1000
seeds and seed weight/m2.The phosphorus fertilizer application of 90 kg/ ha
showed the best effect on the variety Pahat (8,50 ton/ha) and Mandau (8,7
ton/ha). The Phosphorus fertilizer application increases the physiological seed
quality on all parameters except the water content.The phosphorus fertilizer
application 135 kg/ha gave the best quality of the seed physiology of Mandau
and Numbu.
Penulis: Marlina, Elza Zuhry,
Nurbaiti
Kode Jurnal: jppertaniandd150464
