Abstract
The aim of this work was to evaluate the density of spores and mycorrhizal colonization in roots of varieties of sugarcane (RB86-7515, CTC-4 and CTC-15), under planting systems, being the planting of stem portions and pre-sprouted seedlings (PSS) along with 3 sources of nitrogen: granular fertilizer, leaf application and inoculation with diazotrophic bacteria ( Azospirillum brasilense ). The experiment was deployed on the experimental campus of the Evangelical School of Goianésia, and were collected soil samples for spore count after the first cut. The experimental design was arranged in factorial 3x2x3 in randomized blocks with subdivided plots using 4 repetitions per treatment, where factor 1 was represented by varieties, factor 2 by planting systems and factor 3 by nitrogen sources. The planting of PSS associated with foliar fertilization and A. brasiliense presented better colonization that in PSS with granular fertilizer and stem portions with leaf fertilizer and via inoculant. The granular fertilizer showed increased amounts of spores over the foliar fertilization and inoculation of Azospirillum brasilense, the planting system of stem portions presented greater quantity of spores over the planting of PSS, , it is worth mentioning that approximate results of spore density, mycorrhizal colonization and productivity without adding granular fertilizer are satisfactory for reducing the use of fertilizers.
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Claims 4
Claim · model-written summary
In sugarcane, planting pre-sprouted seedlings (PSS) with foliar fertilization and A. brasiliense gave better mycorrhizal colonization than PSS with granular fertilizer and stem portions with leaf fertilizer and via inoculant.
Verbatim
t0“SUGARCANE”
e0“The planting of PSS associated with foliar fertilization and A. brasiliense presented better colonization that in PSS with granular fertilizer and stem portions with leaf fertilizer and via inoculant”
Claim · model-written summary
Granular fertilizer gave larger amounts of spores than foliar fertilization and inoculation of Azospirillum brasilense in sugarcane.
- Taxon
- sugarcanet0
- Treatment
- The granular fertilizere1
- Interactor
- Azospirillum brasilense
Azospirillum brasilensee1symbiont - Outcome
- amounts of sporese1
- Direction
- increasede1
- Comparator
- the foliar fertilization and inoculation of Azospirillum brasilensee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUGARCANE”
e1“The granular fertilizer showed increased amounts of spores over the foliar fertilization and inoculation of Azospirillum brasilense”
Claim · model-written summary
The stem-portion planting system gave a greater quantity of spores than planting pre-sprouted seedlings (PSS) in sugarcane.
Verbatim
t0“SUGARCANE”
e2“the planting system of stem portions presented greater quantity of spores over the planting of PSS”
Claim · model-written summary
The authors note that similar spore density, mycorrhizal colonization and productivity without granular fertilizer are satisfactory for reducing fertilizer use in sugarcane.
Verbatim
t0“SUGARCANE”
e3“approximate results of spore density, mycorrhizal colonization and productivity without adding granular fertilizer are satisfactory for reducing the use of fertilizers”
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