Effect of the Reniform Nematode on Yield, Plant Characters, and Fiber Properties of Upland Cotton<sup>1</sup>

Jones, J. E.; Newsom, L. D.; Finley, E. L.

doi:10.2134/agronj1959.00021962005100060014x

Cited by 29 publications

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“…Research quantifying how various aspects of plant growth and development are impacted by reniform nematode parasitism among a diverse group of cotton genotypes under field conditions is limited. Jones et al (1959) reported that fumigation to suppress reniform nematode populations in field plots produced cotton yield increases, earlier maturity, and larger bolls. Lint percentage was inconsistently increased as a result of suppressing reniform nematodes in their research.…”

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confidence: 99%

Potassium Fertilization Effects on Cotton Lint Yield, Yield Components, and Reniform Nematode Populations

2005

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originally found in Mississippi in 1980 and by 2002 was estimated to infest Ͼ32.4% of the cotton hectarage in Cotton (Gossypium hirsutum L.) lint yields have not changed ap- Mississippi (Lawrence et al., 2002). Although genetics preciably during the last decade. Because more and higher infestations is still probably the predominant reason for the lack of of reniform nematodes (Rotylenchulus reniformis) have been identified in mid-southern USA fields, this nematode might be a mitigating yield improvements, these higher field infestations of factor in the cotton yield stagnation. The objectives were to determine reniform nematodes may also be a mitigating factor. how varying rates of K fertilization interacted with different cottonThe emergence of reniform nematodes as an economgenotypes to influence dry matter partitioning, lint yield, fiber quality, ically challenging pathogen in cotton production has led and reniform nematode populations. Nine cotton genotypes were to the desire to incorporate cotton genotypes resistant grown in the field under two levels of K fertilization (0 and 112 kg to reniform nematodes into current production schemes. K ha Ϫ1 ) and two levels of aldicarb [2-methyl-2-(methylthio)propional-While reniform nematode resistance exists in some of dehyde 0-methylcarbamoyloxime] application (0 and 1.68 kg a.i. ha Ϫ1 ) the diploid Gossypium species, no commercial cotton from 1999 through 2001. Reniform nematode numbers and abovecultivars have yet been identified that possess reniform ground dry matter partitioning were determined at various times in resistance (Koenning et al., 2004). While screening efthe growing season. Lint yield, yield components, and fiber quality were determined at the end of the season. Cotton grown with K forts of cotton cultivars have yet to detect resistance to fertilization hosted a 12% larger post-harvest population of reniform reniform nematodes (Robinson et al., 1999), the number nematode than the unfertilized control plants. Plants grown without of commercial genotypes that could be screened at any K fertilization averaged a 10% greater specific leaf weight than the one time is constrained by the logistics of the experi-K fertilized plants. Of the 9 genotypes grown, only PayMaster 1218BR ern root-knot nematode (Meloidogyne incognita) were Published in Agron. J. 97:1245-1251 (2005). found on cotton plants grown under K-deficient condi-Cotton

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Potassium Fertilization Effects on Cotton Lint Yield, Yield Components, and Reniform Nematode Populations

2005

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“…reniformis infection include plant stunting, suppressed root growth, nutritional deficiencies, fruit abortion and delayed maturity (Koenning et al, ). Rotylenchulus reniformis infection affects cotton production by reducing seed cotton yield, boll size and lint percentage (Cook, Robinson, & Namken, ; Jones, Newsom, & Finley, ). Management of R .…”

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Genetic characterization of Gossypium arboreum accession PI 529740 for reniform nematode resistance

Erpelding

Stetina

2019

Plant Breeding

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Breeding for reniform nematode (Rotylenchulus reniformis) resistance is hindered by the lack of resistance in upland cotton (Gossypium hirsutum) cultivars. Resistance has been frequently identified in accessions from the Gossypium arboreum germplasm collection with accession PI 529740 rated as highly resistant. Accession PI 529740 was crossed with the susceptible G. arboreum accession PI 529729 to develop an F2 population for genetic characterization. The population showed quantitative variation suggesting multiple genes conferred the resistant phenotype. Thirteen of the 216 F2 plants showed resistance similar to the resistant parent and these data supported a two recessive gene model. Sixty plants were classified as resistant or moderately resistant, indicating a single recessive gene conferred the moderately resistant phenotype. The classification of 24 F2:3 families for nematode resistance generally supported the classification of the corresponding F2 plants; however, most families were highly variable for infection with no families rated as resistant. This information will aid in the introgression of resistance into upland cotton as larger populations will be required to successfully recover resistance conferred by multiple recessive genes.

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“…Rotylenchulus reniformis is an obligate, sedentary semi‐endoparasite in which vermiform preadult females penetrate the host root system where they establish a feeding site in the stele (Agudelo, Robbins, Stewart, Bell, & Robinson, ; Koenning et al., ; Robinson, Inserra, Caswell‐Chen, Vovlas, & Troccoli, ). Rotylenchulus reniformis infection of cotton affects production by reducing seed cotton yield, boll size and lint percentage (Cook, Robinson, & Namken, ; Jones, Newsom, & Finley, ). Nematode infection symptoms may not be apparent due to the uniformity of symptoms across the field; however, symptoms can include plant stunting, suppressed root growth, nutritional deficiencies, fruit abortion and delayed maturity (Koenning et al., ).…”

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Genetic characterization of reniform nematode resistance for Gossypium arboreum accession PI 417895

Erpelding¹,

Stetina²

2018

Plant Breeding

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Rotylenchulus reniformis is an important root pathogen of cotton in the south‐eastern United States, and management is hindered by the lack of host‐plant resistance in upland cotton (Gossypium hirsutum). The G. arboreum accession PI 417895 is highly resistant to R. reniformis, and a segregating population of 300 F2 plants was developed for phenotypic characterization of resistance. The population showed quantitative variation for nematode infection. Twenty plants showed no infection and were classified as escapes. Fifty‐four plants were classified as resistant or moderately resistant, whereas, 226 were classified as moderately susceptible or susceptible based on the nematode response of the susceptible parent, indicating resistance is a recessive trait, but these data did not support the single recessive gene model. Alternatively, this model would be supported if the 77 plants with a similar nematode response as observed for PI 417895 were classified as resistant. Twelve plants showed high levels of resistance and these data would support a two recessive gene model. Accession PI 417895 represents a new source of R. reniformis resistance with two major genes conferring resistance. Introgression of multiple resistance genes into G. hirsutum will require the development of larger populations to recover the resistant phenotype.

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Effect of the Reniform Nematode on Yield, Plant Characters, and Fiber Properties of Upland Cotton¹

Cited by 29 publications

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Potassium Fertilization Effects on Cotton Lint Yield, Yield Components, and Reniform Nematode Populations

Potassium Fertilization Effects on Cotton Lint Yield, Yield Components, and Reniform Nematode Populations

Genetic characterization of Gossypium arboreum accession PI 529740 for reniform nematode resistance

Genetic characterization of reniform nematode resistance for Gossypium arboreum accession PI 417895

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Effect of the Reniform Nematode on Yield, Plant Characters, and Fiber Properties of Upland Cotton1

Cited by 29 publications

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Potassium Fertilization Effects on Cotton Lint Yield, Yield Components, and Reniform Nematode Populations

Potassium Fertilization Effects on Cotton Lint Yield, Yield Components, and Reniform Nematode Populations

Genetic characterization of Gossypium arboreum accession PI 529740 for reniform nematode resistance

Genetic characterization of reniform nematode resistance for Gossypium arboreum accession PI 417895

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Effect of the Reniform Nematode on Yield, Plant Characters, and Fiber Properties of Upland Cotton¹