Response of Five Peanut Cultivars to Gypsum Fertilization On Soils Varying in Calcium Content1

Walker, M. E.; Keisling, T. C.

doi:10.3146/i0095-3679-5-1-14

Cited by 23 publications

(12 citation statements)

References 7 publications

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“…In 1998 at the Wilson County location, all Ca rates except by-product Ca at 560 kg/ha applied at plant decreased disease development up to 50% when compared with the non-treated control ( applied, to 46 and 51%, respectively. Walker and Keisling (1978) reported Ca increased percentage TSMK of five cultivars. Hallock and Allison (1980) reported similar results in Virginia using several different Ca sources.…”

Section: Resultsmentioning

confidence: 97%

Peanut (Arachis hypogaea) Response to Agricultural and Power Plant By-Product Calcium

Grichar¹,

Besler²,

Melouk

2004

Peanut Science

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Field studies were conducted at three locations in the south Texas peanut growing region to compare regular agricultural calcium with power plant byproduct calcium applied at planting or peanut pegging to runner peanut at rates of 560 to 1680 kg/ha. Both calcium sources decreased Rhizoctonia and Pythium pod disease development up to 62% when compared with the non-treated control and resulted in a yield increase over the non-treated control of up to 25%. When Rhizoctonia or Pythium was not a problem, no increase in peanut yield over the non-treated control was noted with any calcium application. Peanut grade IRes. Scien.(Total Sound Mature Kernels + Sound Splits) was increased at one location with the use of both calcium sources. Calcium, magnesium, and potassium content of foliage, hull, and kernel tissue was variable and was not related to calcium source.

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Section: Resultsmentioning

confidence: 97%

Peanut (Arachis hypogaea) Response to Agricultural and Power Plant By-Product Calcium

Grichar¹,

Besler²,

Melouk

2004

Peanut Science

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“…Virginia‐type peanut cultivars are characterized by large seed and pods, in comparison with the runner types. Individual seed weight of typical Virginia‐type cultivars range from 0.85 g to 1.2 g, whereas individual seed weight of runner types range from 0.55 g to 0.75 g. Several studies have demonstrated that the large seeded Virginia‐type cultivars require more Ca than the relatively small seeded runner or Spanish types (Cox et al, 1982; Gaines et al, 1989; Middleton et al, 1945; Walker et al, 1976; Walker and Keisling, 1978). The critical soil Ca concentration for optimum pod yield of Virginia types has been reported to be about 560 kg ha −1 , where as, it is about 270 kg ha −1 for runner types (Cox et al, 1982) although there is not broad consensus found in the literature.…”

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confidence: 99%

Variation in Response to Calcium Fertilization among Four Runner‐Type Peanut Cultivars

et al. 2010

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PeanutA gronomy J our n al • Volu me 102 , I s sue 2 • 2 010 469 ABSTRACT Seed quality of peanut (Arachis hypogaea L.) is infl uenced by seed Ca concentration, which is known to be aff ected by seed size and soil Ca fertility during seed production. Little is known about soil Ca requirements for large-seeded runner-type cultivars or for late maturing peanut cultivars that display poor seed quality. Th is study was conducted to determine if excess Ca fertilization during seed production would improve the laboratory germination and/or seedling emergence of large-seeded runner-type peanut cultivars ('C-99R' and 'AP-3') and late-maturing runner-types ('DP-1' and C-99R). Trials were conducted near Marianna, FL, in 2005, 2006, and 2007 using four cultivars and four gypsum treatments (0, 784, 1568, and 2352 kg ha -1 ) to provide excess soil Ca. Pretreatment soil extractable (Mehlich-1) Ca was 589 kg ha -1 in 2005, 811 kg ha -1 in 2006, and 848 kg ha -1 in 2007, all of which are above the recommended level.Th e cultivar average seed size (g/100 seeds) ranking was C-99R > AP-3 > DP-1 > 'Georgia Green', whereas average seed Ca concentration (mg kg -1 ) ranked Georgia Green > AP-3 = C-99R > DP-1. Cultivar seedling emergence ranking was Georgia Green = AP-3 > C-99R > DP-1 and germination ranked Georgia Green = AP-3 > C-99R = DP-1. Th ese results suggest that the relatively poor emergence of DP-1 may be, in part, related to its relatively low absorption of seed Ca during seed production. Emergence of C-99R increased as Ca fertilization increased in 2005, but not in 2006 or 2007. Th ese results suggest that seedling emergence of some large-seeded cultivars, like C-99R, may require greater gypsum fertilization if soil Ca levels are marginal during seed production.Abbreviations: ICP, inductively coupled plasma spectrophotometry; TSMK, total sound mature kernels.

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“…Soil Ca level needed to produce optimum yield is dependent on seed size. Larger seeded cultivars require higher levels of Ca in the pod zone than smaller seeded cultivars (Gaines et al, 1989;Walker and Keisling, 1978). These studies involved peanut response to gypsum application and noted that larger seeded cultivars, considered Virginia market types, have a positive yield response to gypsum application in soils with Ca levels up to 1559 kg/ha at the 0 to 8 cm depth.…”

Section: Introductionmentioning

confidence: 99%

Effect of Gypsum Application Rate, Soil Type, and Soil Calcium on Yield, Grade and Seed Quality of Runner Type Peanut Cultivars

Arnold

Beasley²,

Harris³

et al. 2017

Peanut Science

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Calcium (Ca) availability in the 0 to 8 cm soil depth often limits peanut yield and influences grade in the southeastern United States. Field experiments were conducted in 2012 and 2013 at the University of Georgia's Coastal Plain Experiment Station, Tifton, GA (CPES) and the Southwest Georgia Research and Education Center, Plains, GA (SWREC) to determine large-seeded (Georgia-06G) and medium-seed sized (Georgia Greener) runner-type cultivar response to gypsum application rates of 0, 560, 1120, 1650 kg/ha. Peanut pod yield and grade (TSMK) were significantly different between locations with 7610 and 6540 kg/ha at CPES and SWREC, respectively. However, there were no differences between peanut cultivars or gypsum rates. Standard germination, seed vigor (cold germination), and seed Ca content analysis were also conducted on subsamples from each plot. Average peanut seed germination was 97% across all samples. No differences were observed for standard germination or vigor testing. Differences in locations were observed for yield, TSMK, percent jumbo, percent medium kernels, and seed Ca content. Peanut cultivar and gypsum application rate had effects on seed Ca concentration. Seed Ca concentration levels were 825 and 787 mg/kg for Georgia Greener and Georgia-06G, respectively. Seed Ca content increased as field gypsum application rate increased at both locations.

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Response of Five Peanut Cultivars to Gypsum Fertilization On Soils Varying in Calcium Content1

Cited by 23 publications

References 7 publications

Peanut (Arachis hypogaea) Response to Agricultural and Power Plant By-Product Calcium

Peanut (Arachis hypogaea) Response to Agricultural and Power Plant By-Product Calcium

Variation in Response to Calcium Fertilization among Four Runner‐Type Peanut Cultivars

Effect of Gypsum Application Rate, Soil Type, and Soil Calcium on Yield, Grade and Seed Quality of Runner Type Peanut Cultivars

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