Abstract
Twelve sugarcane varieties were evaluated under dryland conditions on a sandy loam soil from the tropical dry forest located at west Monagas State, Venezuela, in order to select highly adapted varieties to that environment. The experiment was set up under a completely randomised block design, with three replications; The experimental plots consisted on three furrows, 1,5 m apart and 10 m length. Planting was made al the beginning of the rainy season. The evaluated varieties were: PR 61-632, JA 64-19, B 75-49, B 75-226, V 72-11, V 74-7, V 71-68, V 75-6, B 75-403, B 64-278, C 323-68 and C 1057-73. The trial was conducted for three seasons, and the fertilization rate plan was made taking into account the soil analysis and the plant requirements, for each seasons. The total phosphorus dose was applied at planting time, the nitrogen and potassium were splitted in three doses applied at: planting time, 45 and 90 days after planting. The plots were harvested after twelve months. Variables evaluated were: Tons of cane for hectare (TCH); Pol cane percent (PPC); Tons of Pol per hectare (TPH) and Efficiency (EF). According to the statistical analysis (Tukey Mean Separation Test) the outstanding varieties with respect TCH and TPH were: PR 61-632 and C 323-68. Most of the varieties were statically similar regarding to equals to PPC and EF means. V 75 - 6 reached the highest yield for PPC (15,6) and it also was the most efficient, while B 75-49 gave the lowest PPC yield and the least efficiency among all the varieties in the trial.
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Claims 8
Claim · model-written summary
PR 61-632 and C 323-68 were outstanding for TCH.
Verbatim
t0“sugarcane (Sacharum spp.)”
e0“the outstanding varieties with respect TCH and TPH were: PR 61-632 and C 323-68”
Claim · model-written summary
PR 61-632 and C 323-68 were outstanding for TPH.
Verbatim
t0“sugarcane (Sacharum spp.)”
e0“the outstanding varieties with respect TCH and TPH were: PR 61-632 and C 323-68”
Claim · model-written summary
Most varieties had statistically similar PPC means.
Verbatim
t0“sugarcane (Sacharum spp.)”
e0“Most of the varieties were statically similar regarding to equals to PPC and EF means.”
Claim · model-written summary
Most varieties had statistically similar EF means.
Verbatim
t0“sugarcane (Sacharum spp.)”
e0“Most of the varieties were statically similar regarding to equals to PPC and EF means.”
Claim · model-written summary
V 75 - 6 had highest PPC among trial varieties.
Verbatim
t0“sugarcane (Sacharum spp.)”
e0“V 75 - 6 reached the highest yield for PPC (15,6) and it also was the most efficient, while B 75-49 gave the lowest PPC yield and the least efficiency among all the varieties in the trial.”
Claim · model-written summary
V 75 - 6 had most efficient most efficient among trial varieties.
Verbatim
t0“sugarcane (Sacharum spp.)”
e0“V 75 - 6 reached the highest yield for PPC (15,6) and it also was the most efficient, while B 75-49 gave the lowest PPC yield and the least efficiency among all the varieties in the trial.”
Claim · model-written summary
B 75-49 had lowest PPC among trial varieties.
Verbatim
t0“sugarcane (Sacharum spp.)”
e0“V 75 - 6 reached the highest yield for PPC (15,6) and it also was the most efficient, while B 75-49 gave the lowest PPC yield and the least efficiency among all the varieties in the trial.”
Claim · model-written summary
B 75-49 had least efficiency least efficiency among trial varieties.
Verbatim
t0“sugarcane (Sacharum spp.)”
e0“V 75 - 6 reached the highest yield for PPC (15,6) and it also was the most efficient, while B 75-49 gave the lowest PPC yield and the least efficiency among all the varieties in the trial.”