Effect of Mycorrhiza Application with Reduced NPK Fertilizers on Growth and Yield of Several Promising Lines of Red Rice in Aerobic System
Journal Title: IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS) - Year 2018, Vol 11, Issue 12
Abstract
This study aimed to examine the effect of arbuscular mycorrhizal fungi (AMF) application with reduced doses of N-P-K fertilizers on growth and yield of several promising lines of red rice grown in aerobic rice systems on raised-beds. The field experiment, carried out on farmers' land in Beleke Village, West Lombok, Indonesia, from May to September 2018, was designed according to Split Plot design with 3 blocks and two treatment factors, i.e. red rice genotypes (G) as the main plot factor (G1= MG4; G2= MG10; G3= AM4; G4= AM10), and application of AMF (M) as the sub-plot factor (M0= full recommended doses of NPK fertilizers without AMF; M1= AMF application with only 60% recommended doses of NPK fertilizers). The pregerminated red rice seeds were dibbled on the raised-beds with a base spacing of 25 x 20 cm, which was modified into double-rows. The results indicated that although AMF application was combined with reduced doses of N-P-K fertilizers, AMF significantly increased tiller, filled panicle and percentage of panicle numbers, dry straw, total biomass, filled grain number and grain yield per clump while reducing percentage of unfilled grain number. Among the promising lines of red rice, there were differences in dry straw weight, total biomass weight, and grain yield per clump and weight of 100 grains, and the amphibious promising line “AM10” was the best genotype. Although interaction effect was significant only on dry straw, response to AMF application was also different between genotypes in terms of grain yield and percentage of unfilled grain number.
Authors and Affiliations
Wayan Wangiyana, I. G. P. M. Aryana, N. W. D. Dulur
Keywords
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- EP ID EP428748
- DOI 10.9790/2380-1112025459.
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