Effects of cover crops on spider communities in tea plantations

Chen, Li‐Lin; You, Minsheng; Chen, Shaobo

doi:10.1016/j.biocontrol.2011.09.007

Cited by 15 publications

(13 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, the present study found that the abundances of predators or spiders were significantly higher in garlic-tobacco fields (Figures 4 and 5). These results are not consistent with the findings of Chen et al (2011) and Lin et al (2011). Their results showed that spider abundances and richess were not significantly affected by a cover crop in tea plantations or by polycultural manipulation in paddy fields Lin et al, 2011).…”

Section: Discussioncontrasting

confidence: 57%

“…Lin et al (2011) demonstrated that polycultures did not effectively optimise the structure of the spider guild nor increase its diversity in rice fields. Similarly, Chen et al (2011) found that the use of a cover crop in tea plantations did not change spider communities. In a highly diverse forest ecosystem in subtropical China, Schuldt et al (2011) reported that spider activities, abundance and species richness in fact decreased with increasing tree species richness.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Diversity of predatory arthropod communities in tobacco-garlic eco-system

Lai¹,

Bai²,

Gu³

et al. 2017

Afr. J. Agric. Res.

View full text Add to dashboard Cite

Predatory arthropods, especially spiders, play a vital role in the control of insect pests in agro-ecosystems. Accordingly, two year field study was conducted at the Longyan Substation of Fujian Institute of Tobacco Agricultural Sciences in China to determine the effects of garlic and tobacco intercropping system on spiders and predatory arthropods. A total of 545 and 860 (in 2011 and 2012, respectively) individuals of predatory arthropods representing 14 families and 16 species were collected in the fields. The diversity indices of the predatory arthropod communities were obviously higher in tobacco-garlic intercropping system than in tobacco fields. The species richness and species abundance of the predatory arthropods collected in tobacco-garlic fields were significantly higher than that of the predatory arthropods collected in tobacco fields in both study years. Moreover, the values of these indices were obviously higher for spider abundance in tobacco-garlic fields than in tobacco fields during the middle stages of tobacco growth. Intercropping garlic in tobacco fields can increase the abundance of spiders and predatory arthropods, and this approach may be useful to control pests in tobacco fields.

show abstract

Section: Discussioncontrasting

confidence: 57%

Section: Introductionmentioning

confidence: 99%

Diversity of predatory arthropod communities in tobacco-garlic eco-system

Lai¹,

Bai²,

Gu³

et al. 2017

Afr. J. Agric. Res.

View full text Add to dashboard Cite

show abstract

“…crab spiders; Thomisidae). Previous reports have noted the importance of cursorial spiders (Miturgidae, Philodromidae, Anyphaenidae, Oxyopidae and Salticidae families) in woody and arable crops (Armendano & González, 2011;Chen, You, & Chen, 2011;Mansour & Whitecomb, 1986;Morris, Symondson, Kidd, & Campos, 1999;Pekár & Kocourek, 2004). In cotton crops, cursorial species appear to be among the most abundant spider groups (Mansour, 1987;Warui, Villet, & Young, 2004), preying not only on lepidopteran cotton-pest larvae but also on eggs (Pfannenstiel, 2008).…”

Section: Introductionmentioning

confidence: 93%

Impact ofCheiracanthium pelasgicum(Araneae: Miturgidae) andChrysoperla carnea(Neuroptera: Chrysopidae) intraguild predation on the potential control of cotton pestHelicoverpa armigera(Lepidoptera: Noctuidae)

Pérez-Guerrero

Gelan-Begna

Osuna

2013

Biocontrol Science and Technology

View full text Add to dashboard Cite

Antagonist interactions such as intraguild predation (IGP) or cannibalism among predatory arthropods can reduce the impact of these invertebrates on pest limitation in agroecosystems. Here, the effects of IGP between two major natural enemies of cotton pests, the cursorial spider Cheiracanthium pelasgicum (C.L. Koch) and the common green lacewing Chrysoperla carnea (Stephens), were studied under laboratory conditions. First, a feeding preference test was carried out to determine the degree of C. pelasgicum preference for lacewing larvae, using second-instar Helicoverpa armigera larvae as alternative prey. In a second bioassay, the effects of predator interactions on potential predation of H. armigera larvae were analysed using three treatment combinations (plus a control with no predator): (1) spider alone, (2) lacewing larvae alone, (3) spider + lacewing larvae. Potential predation by C. pelasgicum on lacewing eggs was also studied. C. pelasgicum showed no significant preference for either of the two species, indicating that this spider may impact negatively on the green lacewing population. Findings revealed no additive effects and an antagonist interaction between C. pelasgicum and green lacewing larvae, which adversely affected H. armigera suppression; both predators displayed lower predation rates when kept together than either predator alone. However, presence of lacewing larvae and subsequent unidirectional IGP did not affect the predation capacity of C. pelasgicum. Finally, predation rates of C. pelasgicum on lacewing eggs were very low (mean 2.35 ± 0.71 eggs, 24 h after offering) indicating that the impact of C. pelasgicum on lacewing populations may be limited.

show abstract

“…This group of spiders actively moves across the foliage in search of prey and may be harnessed for the control of pests such as Lepidoptera (Pérez-Guerrero et al 2013). Previous reports have noted the importance of cursorial spiders (Miturgidae, Philodromidae, Anyphaenidae, Oxyopidae and Salticidae families) in woody and arable crops (Armendano and González 2011;Chen et al 2011;Mansour and Whitecomb 1986;Morris et al 1999;Pekár and Kocourek 2004). Findings reported by some authors (Pfannenstiel 2008;Pérez-Guerrero et al 2013) focus particular attention on the genus Cheiracanthium as major hunters preying not only on lepidopteran larvae and eggs (Mansour et al 1980;Miliczky and Calkins 2002;Pfannenstiel 2008) but also on other taxa (Michaud 2004).…”

Section: Introductionmentioning

confidence: 99%

Compatibility of Orius laevigatus and Cheiracanthium pelasgicum for predation on Helicoverpa armigera eggs: effects of density and day/night activity on intraguild predation

2015

View full text Add to dashboard Cite

Intraguild predation (IGP) among predatory arthropods can impair pest control efforts and endanger the joint-action compatibility of groups of natural enemies. The present study used plant microcosms to examine IGP of Cheiracanthium pelasgicum (C. L. Koch) (Araneae: Miturgidae) on minute pirate bugs Orius laevigatus (Fieber) (Hemiptera: Anthocoridae), two of the major lepidopteran-egg predators in southern Spanish cotton fields, and its effects on the control of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) eggs. Intensive unidirectional IGP of C. pelasgicum on O. laevigatus was observed under plant arena conditions: over 90 % of minute bugs were killed by spiders in the first 24 h. However, no negative interaction between C. pelasgicum and minute pirate bugs was found under different eggdensity conditions with Orius alone, and the combination of two predator treatments displayed significantly higher predation rates than the spideralone treatment after 24 h. Increased egg density did not affect control by predators, nor did it prompt a significant reduction in IGP. During a day-night bioassay, negative interaction between the two predators was found under night conditions, impacting on egg predation rates due to the combination of two predators. Predation of spiders on H. armigera eggs took place mainly at night, while predation by minute bugs was recorded both by day and by night. Finally, IGP by C. pelasgicum on minute pirate bugs was significantly higher by night. These outcomes demonstrate that diurnal and more intensive nocturnal IGP by spiders on minute pirate bugs had a moderate impact on the early control of H. armigera, with no negative effects after 24 h.

show abstract

Effects of cover crops on spider communities in tea plantations

Cited by 15 publications

References 47 publications

Diversity of predatory arthropod communities in tobacco-garlic eco-system

Diversity of predatory arthropod communities in tobacco-garlic eco-system

Impact ofCheiracanthium pelasgicum(Araneae: Miturgidae) andChrysoperla carnea(Neuroptera: Chrysopidae) intraguild predation on the potential control of cotton pestHelicoverpa armigera(Lepidoptera: Noctuidae)

Compatibility of Orius laevigatus and Cheiracanthium pelasgicum for predation on Helicoverpa armigera eggs: effects of density and day/night activity on intraguild predation

Contact Info

Product

Resources

About