Effects of Cropping Systems on Population Density of<i>Heterodera glycines</i>and Soybean Yield

Koenning, S. R.; Schmitt, D. P.; Barker, K. R.

doi:10.1094/pd-77-0780

Cited by 29 publications

(30 citation statements)

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“…Various strategies have been employed to suppress the damage caused by the SCN (Porter et al, 2001). These include crop rotation and other cultural practices, resistant cultivars, and nematicides (Koenning et al, 1993;Riggs and Schuster, 1998;Schmitt, 1991;Young and Hartwig, 1992;Young, 1998a,b). Ross (1962) reported that crop rotation with non-hosts of the SCN such as corn (Zea mays), wheat (Triticum aestivum), or grain sorghum (Sorghum bicolor) was an effective management strategy.…”

Section: Introductionmentioning

confidence: 99%

The beneficial root endophyte Piriformospora indica reduces egg density of the soybean cyst nematode

Bajaj

Huang

et al. 2015

Biological Control

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Section: Introductionmentioning

confidence: 99%

The beneficial root endophyte Piriformospora indica reduces egg density of the soybean cyst nematode

Bajaj

Huang

et al. 2015

Biological Control

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“…This theoretically reduces selection pressure for races which can infect resistant cultivars, although the value of this practice has been questioned (Hartwig et al, 1987; Young and Hartwig, 1988). Yield of susceptible soybean, followed by a nonhost crop, corn ( Zea mays L.), was greater than the yield of continuous soybeans (Koenning et al, 1993, 1995; Ross, 1962; Howard et al, 1998). However, conflicting reports have shown little (Sasser and Uzzell, 1991; Schmitt, 1991) or no effect (Francl and Dropkin, 1986) of a single nonhost crop such as cotton ( Gossypium hirsutum L.) or corn on a subsequent susceptible soybean crop.…”

mentioning

confidence: 96%

“…Work on the soybean cyst nematode in other regions of the USA has focused on predicting yield loss on the basis of preplant cyst populations (Duncan, 1991), management of the pest through crop rotation (Francl and Dropkin, 1986; Koenning et al, 1993, 1995; Ross 1962; Sasser and Uzzell, 1991; Schmitt, 1991; Young and Hartwig, 1988), and the use of resistant cultivars (Hartwig et al, 1987; Wallace et al, 1995). The programs that were developed continuously suppress nematode numbers below damaging levels, while minimizing the chances of nematode race shifts over many years.…”

mentioning

confidence: 99%

Effect of Crop Rotation and Cultivar Resistance on Seed Yield and the Soybean Cyst Nematode in Full‐Season and Double‐Cropped Soybean

Long

Todd

2001

Crop Science

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Soybean cyst nematode (Heterodera glycines Ichinohe) can cause considerable damage to soybean [Glycine max (L.) Merr.], especially in western USA growing areas that are newly infested. The objective of this study was to find cultural practices that reduce cyst nematode effect on soybean in this region. Four management systems, one having continuous susceptible soybean, a second consisting of a 3‐yr rotation with 2 yr of a nonhost crop followed by susceptible soybean, and two 4‐yr rotations alternating a susceptible and resistant cultivar with non‐host crops, were investigated at nematode‐infested and noninfested locations. One 4‐yr rotation had full‐season soybean while the other had double‐crop soybean. Data included soybean seed yield, yield components, and cyst nematode egg density. Grain yields of full‐season, SCN‐susceptible ‘Stafford’ were similar in all rotations at each location. Nonhost crops reduced nematode densities from 4000 eggs 100 cm−3 in continuously cropped SCN‐susceptible plots to 1000 and 500 eggs 100 cm−3 in 3‐ and 4‐yr rotations, respectively. However, nematode numbers rapidly increased to more than 5000 eggs 100 cm−3 by seasons end when susceptible soybean was grown. The SCN‐susceptible cultivar produced 33% less grain and pods than did the SCN‐resistant cultivar, Manokin, at the infested location while the cultivars yielded similarly at the noninfested site. Full‐season and double‐cropped soybean reacted similarly to SCN. Crop rotation reduced cyst nematode numbers, but this benefit did not reduce yield losses on subsequent SCN‐susceptible soybean as numbers rapidly climbed to damaging levels.

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“…Some resistant cultivars are not effective at high nematode densities (Koenning et al, 1993). Initial nematode densities also have an influence on the ability of non-host crops and the length of rotations to reduce nematode damage (Brodie, 1996).…”

Section: Discussionmentioning

confidence: 99%

Application of alkaline-stabilised biosolids for Meloidogyne incognita suppression in microplots

Zasada¹,

Rogers²,

Sardanelli

2007

Nematol

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Summary -N-Viro Soil (NVS) is an alkaline-stabilised biosolid that has been shown to suppress Meloidogyne incognita. In separate microplot studies, NVS was applied either alone at different rates (0, 25, 50, 75, 100 dry t ha −1 ), or in combination with M. incognitaresistant and M. incognita-susceptible cultivars, to different M. incognita initial densities (0, 37 500, 75 000 eggs/microplot). NVS suppressed M. incognita. During year 1, increasing rates of NVS resulted in higher soil solution pH and greater M. incognita J2 and egg suppression. Soil solution pH remained higher in NVS-amended plots compared to the unamended control in years 2 and 3. NVS was more effective in reducing moderate than in reducing high initial nematode populations, with 94-100% reduction in egg and juvenile populations compared to 75-79%, respectively. In all experiments, a reduction in nematode populations by NVS, alone or in combination with a resistant cultivar, did not occur consistently in years 2 or 3. Unfortunately, the application rate of NVS required to achieve this reduction in nematode populations is probably not agronomically realistic. Additional research may allow the rate of NVS required to suppress plant-parasitic nematodes to be reduced.Keywords -ammonia, biosolid, Glycine max, N-Viro Soil, pH, soybean.The N-Viro process mixes dewatered municipal biosolids with alkaline admixtures (i.e., cement kiln dust, fly ash or quicklime) to yield a pathogen-free, solid material with many beneficial agronomic properties (Logan & Burnham, 1995). The agricultural value-added benefits of N-Viro Soil (NVS) include improved soil fertility, addition of organic matter and suppression of plantparasitic nematodes (Welacky & Topp, 2001;Zasada & Tenuta, 2004;Zasada, 2005).N-Viro Soil has been shown to suppress plant-parasitic nematodes in a range of studies (Alptekin, 2001;Welacky & Topp, 2001;Zasada & Tenuta, 2004;Meyer et al., 2005;Zasada, 2005). In laboratory tests (Zasada & Tenuta, 2004), the lethal concentration of NVS that killed 90% (LC 90 ) of second-stage juvenile (J2) populations was 1.4% dry weight amendment/dry weight sand for Meloidogyne incognita and Heterodera glycines. The LC 90 values for eggs were 2.6 and >3.0% for M. incognita and H. glycines, respectively. Nematode mortality caused by NVS was positively correlated with sand suspension pH levels and, to a lesser extent, with ammonia accumula- * Corresponding author, e-mail: zasadai@ba.ars.usda.gov tion following amendment (Zasada & Tenuta, 2004;Zasada, 2005). Glasshouse and field experiments have also demonstrated some suppression of H. glycines (Alptekin, 2001;Welacky & Topp, 2001) and M. incognita (Meyer et al., 2005).We have previously reported on the ability of NVS to suppress M. incognita and H. glycines and the mechanisms involved (Zasada & Tenuta, 2004), the factors that may influence the efficacy of NVS (Zasada, 2005), and NVS in combination with a biological control agent for M. incognita suppression on melon (Meyer et al., 2005). The research reported here is a st...

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Effects of Cropping Systems on Population Density ofHeterodera glycinesand Soybean Yield

Cited by 29 publications

References 0 publications

The beneficial root endophyte Piriformospora indica reduces egg density of the soybean cyst nematode

The beneficial root endophyte Piriformospora indica reduces egg density of the soybean cyst nematode

Effect of Crop Rotation and Cultivar Resistance on Seed Yield and the Soybean Cyst Nematode in Full‐Season and Double‐Cropped Soybean

Application of alkaline-stabilised biosolids for Meloidogyne incognita suppression in microplots

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