Evaluation of the Combination of Dimethyl Disulfide and Dazomet as an Efficient Methyl Bromide Alternative for Cucumber Production in China

Mao, Liangang; Yan, Dongdong; Wang, Qiuxia; Li, Yuan; Ouyang, Canbin; Liu, Pengfei; Shen, Jiahao; Guo, Ming; Cao, Aocheng

doi:10.1021/jf501255w

Cited by 43 publications

(32 citation statements)

References 26 publications

(37 reference statements)

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“…We found dimethyl-disulfide to be more effective using VIF than PE plastic mulch, which runs counter to the results shown by Gomez-Tenorio et al [54], who did not find any differences in the efficacy of dimethyl-disulfide in reducing Meloidogyne populations under VIF or PE plastic mulch, which was 100% effective when vermiculite was used as a substrate. Other authors found dimethyl-disulfide to be a less effective nematicide in natural soil than in artificial substrates [55,56]. Therefore, the type of soil/substrate seems to influence the results, and in soils where dimethyl-disulfide is not highly effective, using highly retentive plastic mulches can increase its efficacy in reducing RKN densities.…”

Section: Discussionmentioning

confidence: 99%

Nematode Management in the Strawberry Fields of Southern Spain

et al. 2019

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(1) Background: Spain is the sixth strawberry producer in the world, with about 6500 ha producing more than 350,000 tons, and an annual commercial value about 390 million €. Stunted and dead strawberry plants are frequently associated with plant-parasitic nematodes, but nematode diseases have not been characterized to date in the country. (2) Methods: A poll on the perception of the impact of nematodes on strawberry production was carried out by face-to-face interviews with farm advisors. In addition, nematological field surveys were carried out at the end of the growing season in 2017 and 2018 to determine prevalence and abundance of plant-parasitic nematodes in strawberry crops. The host suitability to Meloidogyne hapla of seventeen strawberry cultivars and the tolerance limit to M. hapla at progressively higher initial population densities (Pi) were assessed in pot experiments in a growth chamber. Comparison of the relative efficacies of several soil disinfestation methods in controlling nematode populations (M. hapla and Pratylenchus penetrans) was carried out in experimental field trials for twelve consecutive years. (3) Results: Meloidogyne spp., Pratylenchus penetrans, and Hemicycliophora spp. were the main plant-parasitic nematodes in the strawberry fields in South Spain. Root-knot nematodes were found in 90% of the fields, being M. hapla the most prevalent species (71% of the fields). A tolerance limit of 0.2 M. hapla juveniles per g of soil was estimated for strawberry, and currently cropped strawberry cultivars did not show resistance to M. hapla. Nematode population densities were reduced by more than 70% by soil fumigation with 1,3-dichloropropene, dazomet, dimethyl-disulfide, and methyl iodide. The efficacy of metam-sodium in reducing nematode populations was about 50% and that of chloropicrin, furfural, and sodium-azide, less than 40%. Combination of solarization with organic manures (biosolarization) reduced soil nematode populations by 68–73%. (4) Conclusions: Plant-parasitic nematodes (Meloidogyne, Pratylenchus, and Hemicycliophora) are widely distributed in the strawberry fields of Southern Spain. Strawberry is a poor host for M. hapla with a tolerance limit of 0.2 J2 per g of soil, and low population increases in cropping cycles of 7–8 months. Strawberry cultivars show a range of susceptibility and tolerance to M. hapla, but no resistance is found. Nematodes are effectively controlled by chemical fumigation of soils, but soil biosolarization is equally effective, and therefore, can be proposed as a sustainable alternative for pathogen control in strawberry cultivation.

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Section: Discussionmentioning

confidence: 99%

Nematode Management in the Strawberry Fields of Southern Spain

et al. 2019

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“…Metham sodium (MS), calcium cyanamide, abamectin and fosthiazate have been registered to control soil‐borne diseases in China. MS, dazomet (DZ), chloropicrin (CP), dimethyl disulfide (DMDS), 1,3‐dichloropropene (1,3‐D), sulfuryl fluoride (SF), and combinations of CP + MS, CP + DMDS, CP + 1,3‐D, DZ + 1,3‐D, DZ + DMDS, and CP + MS + 1,3‐D 14 have been registered and used commercially in China and other countries. As a comprehensive and versatile soil fumigation, MB has been used in diverse countries for >50 years to control fungi, bacteria, soil‐borne viruses, insects, mites, nematodes and rodents.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of allyl isothiocyanate as a soil fumigant against soil‐borne diseases in commercial tomato (Lycopersicon esculentum Mill.) production in China

Ren

Fang

et al. 2018

Pest Management Science

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“…Diverse data on the various possible combinations of 1,3-D and Pic [ 8 – 15 ], MNa and Pic [ 12 ], 1,3-D and DZ [ 7 , 16 ], dimethyl disulfide (DMDS) and Pic [ 13 , 14 , 17 ], and DMDS and DZ [ 18 , 19 ] as chemical alternatives to MB have been published. Blends of 1,3-D and methyl isothiocyanate (MITC) in varying concentrations have previously been considered for use in Canada, Europe, and other countries [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

Replacing methyl bromide with a combination of 1,3-dichloropropene and metam sodium for cucumber production in China

et al. 2017

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The combination of 1,3-dichloropropene (1,3-D) and metam sodium (MNa) is a potential resource to replace methyl bromide (MB) as a soil fumigant. The efficacy of 1,3-D+MNa as a crucial factor to limit soil-borne pests was evaluated in one laboratory experiment and two cucumber greenhouse studies conducted in commercial operations. Laboratory results revealed that 1,3-D and MNa (10+20 mg a.i. kg−1 soil) provided the best complementary control of the root-knot nematode, Fusarium oxysporum and two species of weed seeds. Greenhouse trials revealed that the blend of 1,3-D and MNa (10+20 g a.i. m−2) greatly inhibited the ability of Meloidogyne incognita to form root galls. In addition, the number of colony-forming units of F. oxysporum declined substantially after growth on media, resulting in higher fruit yields and greater economic benefits. The combined use of 1,3-D and MNa exhibited a higher control efficacy than when 1,3-D or MNa was utilized alone. The ability of this chemical combination to control soil-borne organisms did not differ significantly from the MB treatment and maintained high cucumber yields, enhancing the income of the farmers. Compared to the untreated control group, all the chemical treatments prominently improved the control of the pests. These results show that applying a combination of 1,3-D and MNa provides a promising alternative to MB that enables the sustained growth of cucumber production in China.

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Evaluation of the Combination of Dimethyl Disulfide and Dazomet as an Efficient Methyl Bromide Alternative for Cucumber Production in China

Cited by 43 publications

References 26 publications

Nematode Management in the Strawberry Fields of Southern Spain

Nematode Management in the Strawberry Fields of Southern Spain

Evaluation of allyl isothiocyanate as a soil fumigant against soil‐borne diseases in commercial tomato (Lycopersicon esculentum Mill.) production in China

Replacing methyl bromide with a combination of 1,3-dichloropropene and metam sodium for cucumber production in China

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