New sorghums developed and released by Texas A&M AgriLife
Cultivar CI0941bmr was selected after testing in six countries: San Andres, El Salvador; La Lujosa, Honduras; Zacapa, Guatemala; Managua, Nicaragua; Guanacaste, Costa Rica; and Azuero, Panama. The selection was based on grain yield and biomass yield. Biomass, or forage, was evaluated for acid detergent fiber, neutral detergent fiber, acid detergent lignin, crude protein, total digestible nutrients, and in vitro dry matter digestibility, i.e., for forage quality.
Dr. Gary Peterson recently released 44 sorghum germplasm lines with resistance to grain weathering. These lines originated in the AgriLife Research – Lubbock breeding program of Dr. Darrell Rosenow (deceased). Breeding crosses were made at Lubbock and crossed seed grown in a Puerto Rico winter sorghum nursery. Selection and testing were conducted at Lubbock, Halfway, Corpus Christi, and Beeville for many years. Selections for resistance to grain weathering were made at Corpus Christi or Beeville in a humid, sub-tropical environment. These lines are resistant to grain weathering caused by diverse genera that include Fusarium spp., Curvularia spp., and Alternaria spp. They are of diverse pedigree and parentage and represent an array of grain color, plant color, and other agronomic traits.
The grain weathering resistance found in these lines was derived from several different and diverse genetic sources. Resistance of 33 lines is from published sources and 11 lines derive their resistance from internal breeding lines. These lines vary in their reaction to anthracnose with several exhibiting a high level of resistance. The lines are generally later in maturity, measured as days to flowering, than the commercial hybrids and plant height is similar to today’s hybrids. All lines are either purple or tan in plant color with red, white or lemon yellow grain color. All have normal, i.e., non-yellow, endosperm, are awnless, and do not have pigmented testa. Fertility restoration has not been evaluated but the parents of most of these lines are known R-lines in A1 cytoplasm, indicating that most are suitable as R lines. Dr. Peterson expects that these lines will provide the seed industry with sources of grain mold resistance in elite genetic backgrounds for use as seed or pollinator parents for the production of commercial hybrids. Additional information can be obtained for Dr. Gary Peterson at firstname.lastname@example.org.
Self-contained hydraulic system with power cables (hydraulic). Tandem Henschen axles (hydraulic). Hydraulic fenders. Manual or hydraulic tilt. 6,500-gallon tank.
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