Effect of Chitin and Abamectin on Meloidogyne Incognita Infesting Rapeseed

Korayem, A. M.; Youssef, M. M. A.; Mohamed, M. I.

doi:10.2478/v10045-008-0046-1

Cited by 18 publications

(9 citation statements)

References 10 publications

(10 reference statements)

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“…In addition, Kalaiarasan et al (2006) showed that soil treatment with chitin promoted the plant growth and increased the yield of groundnut, reduced nematode population, and enhanced soil microbial activity up to 55%. Recently, Korayem et al (2008) stated that chitin applied at rates of 2, 4, and 8 g/m² significantly (p≤0.05) reduced M. incognita reproduction and increased plant growth parameters of rapeseed. A significant decrease in both M. incognita eggs and J 2 was noticed when chitin rates were increased at 100 and 200 g/m 2 .…”

Section: Discussionmentioning

confidence: 99%

Extraction, characterization, and nematicidal activity of chitin and chitosan derived from shrimp shell wastes

et al. 2011

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Chitin has been chemically extracted from the Egyptian shrimp shell waste. The obtained chitin was transformed into the more soluble chitosan. Chitin and chitosan were characterized using Fourier-transform infrared spectroscopy and proton nuclear magnetic resonance spectrometry. These products were also characterized by their nematicidal potential against the root-knot nematode, Meloidogyne incognita, infecting tomato in a glasshouse. Chitin or chitosan was incorporated into the soil at the rate of 1, 3, 5, and 10 g/kg, and their nematicidal activity was compared with that of the synthetic nematicide oxamyl at the rate of 0.01 g a.i./kg. The effects of the treatments on the growth of tomato were also examined. The obtained results show that chitin and chitosan reduced tomato root galls and J 2 of M. incognita in the soil in a dose-dependent manner. Chitosan was more effective in the reduction of galls and J 2 in the soil than chitin. However, the efficacy of chitin and chitosan in reducing the number of J 2 in the soil was less than that of oxamyl. As compared to the untreated inoculated plants, the length of shoots and roots was significantly (p≤0.05) increased in soil amended with either chitin or chitosan, whereas both treatments did not significantly (p>0.05) differ with respect to the inoculated control on the effect on the dry weight of shoot and root systems. Furthermore, neither chitin nor chitosan treatments at the tested rates were phytotoxic to tomato plants.

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Section: Discussionmentioning

confidence: 99%

Extraction, characterization, and nematicidal activity of chitin and chitosan derived from shrimp shell wastes

et al. 2011

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“…There has been an enhancement in the exploitation of bio-control methods for integrated management of plant parasitic nematodes using ubiquitous antagonistic organisms. Such methods are meant to minimize environmental pollution from chemical control and to keep the root-knot nematode management processes more economical for cowpea farmers in Nigeria (Cabamillas and Baker 1989;Thompson 1998;Maareg and Badr 2000;Korayem et al 2008;Yousef et al 2008;Oclarit et al 2009). Beside these, arbuscular mycorrhizal fungi (AMF) are ubiquitous in the soil and are commonly symbiotic with the root systems of many crops supporting shoot growth and phosphorus nutrition in cowpea (Bethlenfalvay and Liderman 1992;Barea and Jefferies 1995).…”

Section: Introductionmentioning

confidence: 99%

Effect of Glomus Mosseae (Arbuscular Mycorrhizal Fungus) On Host - Parasite Relationship of Meloidogyne Incognita (Southern Root-Knot Nematode) on Four Improved Cowpea Varieties

Odeyemi¹,

Afolami²,

Sosanya³

2010

Journal of Plant Protection Research

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Abstract:Two pot experiments and a field study were conducted in a Randomized Complete Block Design (RCBD). The experiments were conducted to determine the effect of Glomus mosseae, a mycorrhiza fungus, on the reaction of four improved cowpea varieties to Meloidogyne incognita. Cowpea plants were inoculated with a single or a combination of 5 000 eggs of M. incognita and 50 g of G. mosseae inoculum containing 5 spores/g of soil. The standardized method of screening and reporting resistance of crop germplasm to root-knot nematodes at 60 days after planting, and the modified version of including yield for resistance rating at harvest were used for this study. Root galling due to M. incognita infection was significantly lower on all the cowpea varieties treated with G. mosseae and more significantly on IT90K-277-2 and IT89KD-288 in the screenhouse. G. mosseae, suppressed root-knot nematode reproduction on all the varieties compared to cowpea plants infected only by M. incognita both in the screenhouse and field experiments. Also, G. mosseae mitigated the damage attributable to the root-knot nematode on all these varieties. Using Gall Index (GI), reproduction factor and yield, G. mosseae was effective in improving the resistance of the cowpea varieties to M. incognita. IT90K-76 cowpea variety was consistently resistant to the root-knot nematode, while IT90K-277-2 was tolerant with M. incognita infection but resistant with G. mosseae treatment. IT90K-941-1 variety was resistant in the screenhouse. The results of this study also confirmed G. mosseae as a potential bio-control agent for M. incognita on these cowpea varieties.

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“…When 0.075 g (ST 1 ), 0.150 g (ST 2 ), 0.300 g (ST 3 ) and 0.600 g (ST 4 ) of abamectin were used for seed treatment in combination with 0.088 g of thiabendazole and 0.192 g of thiamethoxam, a reduction of 64%, 49%, 33% and 30%, respectively, was seen for the number of galls per 10 g roots (Figure 4). Korayem et al (2008) reported that application of abamectin at the tested concentrations significantly reduced most nematode parameters while simultaneously enhancing plant growth parameters. A study by Khalil (2013) In a study conducted by Faske and Starr (2007), the authors noted that abamectin is capable of protecting roots from RKN-mediated galling only for 5 cm along the growing root and further beyond, abamectin cannot protect the growing root.…”

Section: Effect Of Chemical Treatment On Reduction Of Root-knot Nematmentioning

confidence: 94%

Effect of chemical treatment on physiological quality of seed and control of Meloidogyne javanica in watermelon plants

Rodrigues¹,

Borges²,

Navroski³

et al. 2017

Aust J Crop Sci

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This study aimed to evaluate the efficacy of different concentrations of abamectin, in combination with thiabendazole and thiamethoxam, on seed physiological quality and on the control of Meloidogyne javanica in watermelon plants. To this purpose watermelon seeds of the Crimson Sweet variety were employed in the study. The treatment of the seeds consisted of abamectin (nematicide) at concentrations of 0.075 g (ST 2 ), 0.150 g (ST 3 ), 0.300g (ST 4 ) and 0.600 g (ST 5 ) ai (active ingredients) per 1000 seeds in combination with thiabendazole and thiamethoxam at concentrations of 0.080 g, 0,019 g ai per 1000 seeds, respectively. Untreated seeds (ST 1 ) were also employed as a control. The volume of the mixed solution used to this purpose was 4.9 mL 1000 seed -1 . The untreated and treated seeds were divided in two parts; the first part was sowed on paper towels and placed in chambers maintained at a constant 25 ºC while the second part was planted in trays in a greenhouse so as to enable evaluation of shoot length, shoot fresh weight, root weight, galls number, egg number, and reproduction factor. The physiological quality of the seeds was evaluated by standard germination tests, cold tests, and emergence speed index. The results indicated that the watermelon seed quality was not affected by concentration of abamectin when used in combination with thiabendazole and thiamethoxam. Further investigations are warranted in order to verify nematicidal toxicity on seed quality at higher levels of treatment. Based on the results of our study, we propose that abamectin (0.75 to 600 g/ ai per 1000 seeds) when applied in combination with thiabendazole and thiamethoxam, is an effective control agent for reducing the number of eggs and second-stage juveniles (J2) in 'Crimson Sweet' watermelon plants.

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Effect of Chitin and Abamectin on Meloidogyne Incognita Infesting Rapeseed

Cited by 18 publications

References 10 publications

Extraction, characterization, and nematicidal activity of chitin and chitosan derived from shrimp shell wastes

Extraction, characterization, and nematicidal activity of chitin and chitosan derived from shrimp shell wastes

Effect of Glomus Mosseae (Arbuscular Mycorrhizal Fungus) On Host - Parasite Relationship of Meloidogyne Incognita (Southern Root-Knot Nematode) on Four Improved Cowpea Varieties

Effect of chemical treatment on physiological quality of seed and control of Meloidogyne javanica in watermelon plants

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