Growing sweet sorghum (Sorghum bicolor [L.] moench) in clumps potentially reduces lodging in the arid-southwestern United States

Teetor, Valerie H.; Schmalzel, Carl L.; Ray, Dennis T.

doi:10.1016/j.indcrop.2017.05.064

Cited by 7 publications

(4 citation statements)

References 18 publications

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“…Rind thickness is another morphological feature associated with stem lodging. In various studies, rind thickness, internode diameter, and internode length have been used as predictors of stem strength in sorghum (Teetor et al, 2017 ). Under high PD, rind strength decreased, as evidenced by a decrease in rind penetrometer resistance, which resulted in smaller diameters and weaker stems that broke easier (Stanger and Lauer, 2007 ).…”

Section: Physiological Regulation Of Stem Lodging and Kernel Abortion Under High Pdmentioning

confidence: 99%

Combating Dual Challenges in Maize Under High Planting Density: Stem Lodging and Kernel Abortion

et al. 2021

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High plant density is considered a proficient approach to increase maize production in countries with limited agricultural land; however, this creates a high risk of stem lodging and kernel abortion by reducing the ratio of biomass to the development of the stem and ear. Stem lodging and kernel abortion are major constraints in maize yield production for high plant density cropping; therefore, it is very important to overcome stem lodging and kernel abortion in maize. In this review, we discuss various morphophysiological and genetic characteristics of maize that may reduce the risk of stem lodging and kernel abortion, with a focus on carbohydrate metabolism and partitioning in maize. These characteristics illustrate a strong relationship between stem lodging resistance and kernel abortion. Previous studies have focused on targeting lignin and cellulose accumulation to improve lodging resistance. Nonetheless, a critical analysis of the literature showed that considering sugar metabolism and examining its effects on lodging resistance and kernel abortion in maize may provide considerable results to improve maize productivity. A constructive summary of management approaches that could be used to efficiently control the effects of stem lodging and kernel abortion is also included. The preferred management choice is based on the genotype of maize; nevertheless, various genetic and physiological approaches can control stem lodging and kernel abortion. However, plant growth regulators and nutrient application can also help reduce the risk for stem lodging and kernel abortion in maize.

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Section: Physiological Regulation Of Stem Lodging and Kernel Abortion Under High Pdmentioning

confidence: 99%

Combating Dual Challenges in Maize Under High Planting Density: Stem Lodging and Kernel Abortion

et al. 2021

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“…Diante do poder adaptativo desta espécie, ela é cultivada em diversos países sob diferentes condições climáticas, onde se observa uma substituição progressiva da cultura do milho pelo sorgo, tendo em vista a menor exigência hídrica, desenvolvimento radicular, tolerância ao déficit hídrico, salinidade e acidez do solo e alta eficiência na utilização da água (Teetor et al, 2017;Lima et al, 2018b). Figura 4.…”

Section: Sorgo Forrageirounclassified

Indicadores de eficiência biológica, habilidade competitiva e benefício econômico de sistemas de produção sustentável de forragem: Uma revisão

Salvador

Silva²,

Santos³

et al. 2022

Rev. Bras. Geog. Fis.

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The cultivation of adapted species (e.g., forage cactus, sorghum, millet, etc.) can provide greater forage productivity in arid and semi-arid environments. However, due to water limitations in the region, it is important to use irrigation, when well managed, it allows for greater production and provides opportunities for the insertion of intercropping crops even in dry periods. Thus, this review aimed to survey the main indices of biological efficiency, competitive ability and economic benefit in different forage species and crops, as well as the use of resilient practices that seek to increase the efficiency and sustainability of forage production in an environment semi-arid. Scientific articles in Portuguese and English from the last ten years were used, using the following platforms: Google Academic, Scielo, ScienceDirect, Scopus, and Web of Science, paying attention to the quality and timeliness of the literature cited. The use of resilient agricultural practices such as irrigation, planting of adapted species, straw mulch and intercropping are of great importance for productive units in the Brazilian semi-arid region. As well as the use of indices of biological efficiency, competitive ability and economic return, which are capable of helping to determine the best configurations of intercropping crops, providing greater reliability and profitability of the agricultural chain in semi-arid regions.

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“…In maize (Zea mays L.), low plant densities led to shorter basal internodes, higher culm and root diameters, and more roots, resulting in less lodging [31]. In sorghum (Sorghum bicolor L.), lower plant densities also led to stronger and thicker culms, which decreased the risk of lodging [32].…”

Section: Lodgingmentioning

confidence: 99%

Less Is More: Lower Sowing Rate of Irrigated Tef (Eragrostis tef) Alters Plant Morphology and Reduces Lodging

Ben-Zeev

Rabinovitz²,

Orlov-Levin

et al. 2020

Agronomy

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Tef (Eragrostis tef (Zucc.) Trotter) is a panicle-bearing cereal crop plant, originating from and grown mainly in Ethiopia. Tef yields highly nutritious gluten-free grain as well as high-quality forage, therefore, interest is rising regarding tef cultivation for grain and forage outside Ethiopia. Lodging is a major factor limiting tef quality and yield, with losses estimated at 30%–35% and presumably higher under mechanical harvest. Studies in other cereal crops suggested that lowering plant density would lead to sturdier plants less prone to lodging. In this work, we reported on the effects of sowing rate on lodging, lodging-related traits, and productivity of tef under irrigated conditions. Four tef genotypes were grown under irrigation across two years at three sowing rates: low (3 kg/ha), medium (6 kg/ha), and high (common, 9 kg/ha). Grain yield and biomass did not differ significantly among sowing rates. The visually assessed lodging index (LI) increased as the season progressed, with the lowest values recorded under low sowing density. A significant difference in LI values among the tested genotypes suggested potential for crop improvement. Aerial RGB images of the field taken by an unmanned aerial vehicle twice during the second season produced a high-resolution crop surface model, which was used to assess lodging. Aerial-based LI values were significantly correlated with the ground-based ones and exhibited better capacity to identify minor differences in lodging. Among the morphological traits assessed, crown diameter, crown root number, and crown root diameter were significantly affected by sowing rate and genotype and were correlated with LI values. In summary, this study demonstrated for the first time the feasibility of tef production under irrigated Mediterranean conditions and the potential of a reduced sowing rate as a remedy for lodging.

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Growing sweet sorghum (Sorghum bicolor [L.] moench) in clumps potentially reduces lodging in the arid-southwestern United States

Cited by 7 publications

References 18 publications

Combating Dual Challenges in Maize Under High Planting Density: Stem Lodging and Kernel Abortion

Combating Dual Challenges in Maize Under High Planting Density: Stem Lodging and Kernel Abortion

Indicadores de eficiência biológica, habilidade competitiva e benefício econômico de sistemas de produção sustentável de forragem: Uma revisão

Less Is More: Lower Sowing Rate of Irrigated Tef (Eragrostis tef) Alters Plant Morphology and Reduces Lodging

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