Pertumbuhan dan Hasil Tiga Varietas Alfalfa (Medicago sativa L.) dengan Perlakuan Tiga Macam Rhizobium pada Media Tanam Regosol Asal Banguntapan
Renan Subantor, Prapto Yudono, dan Bambang Suwignyo(1*)
(1) 
(*) Corresponding Author
Abstract
ABSTRACT
Different alfalfa varieties type of Rhizobium (a side of Rhizobium meliloti) affect to root nodule formation that will have an influence on the growth and yield quality of alfalfa. The rare presence of Rhizobium meliloti so it need to look for other potential rhizobium expected to form root nodules of alfalfa. The purpose of this research is to study the interaction of the three varieties of alfalfa inoculated with different type of rhizobium on growth and quality of alfalfa yield of the first cut.
The experiment was conducted using a completely randomized design with factorial experiment in March to June 2012 in the Green House Laboratory of Forage and Pasture Feed Faculty of Animal Husbandry Gadjah Mada University. Data measurements and observations were done on growth parameters and the quality of the results and were analyzed by analysis of variance with a completely randomized design, and followed by Duncan's multiple range test level 5%. Regression correlation analysis performed to determine the relationship between two variables to determine the effect of growth and quality of alfalfa yield.The results showed that various rhizobium inoculated on Multiking 1, Vernal and Common failed and the unable to form viable root nodules. Several physiological parameters such as growth and photosynthetic rate, net assimilation rate and relative growth rate, showed significant differences between the combination treatment. Generally indicates that all combinations of treatments have relatively high levels of khlorofil, value between 1 to 3.3. Quality nutrients such as crude protein, crude fat, crude fiber, ash content and energy digestibility Variety Multiking 1, Vernal and Common are not significantly different. Nutritional quality and in vitro digestibility of Multiking1, Vernaland Common are not significantly different.
Keywords: alfalfa varieties, type of rhizobium, growth, quality of yield, and in vitro digestibilityFull Text:
PDFDOI: https://doi.org/10.22146/ipas.2517
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Ilmu Pertanian (Agricultural Science) ISSN 0126-4214 (print), ISSN 2527-7162 (online) is published by Faculty of Agriculture Universitas Gadjah Mada collaboration with Perhimpunan Sarjana Pertanian Indonesia (PISPI) and licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.