Field Application of Brassicaceous Amendments for Control of Soilborne Pests and Pathogens

Zasada, Inga A.; Ferris, H.; Elmore, Clyde L.; Roncoroni, J. A.; MacDonald, J. D.; Bolkan, L. R.; Yakabe, L. E.

doi:10.1094/php-2003-1120-01-rs

Cited by 25 publications

(13 citation statements)

References 17 publications

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“…Volatiles released from breakdown of glucosinolates have shown a range of activity against various species of nematodes, insects, weeds, bacteria, and fungi (e.g., 1,3,8,9,11). However, other studies have failed to show a strong response in the levels of soil pests to use of Brassica soil amendments or cover crops (2,13). It should be noted that there is large genotypic variation among Brassica species and cultivars in the amount and kinds of glucosinolates present (up to five fold range in glucosinolate concentration) (6).…”

Section: Introductionmentioning

confidence: 99%

Effect of a Mustard Green Manure on Potato Yield and Disease Incidence in a Rainfed Environment

et al. 2007

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The goal of this work was to evaluate the short‐term effects of a mustard green manure on potato yield and disease incidence for potatoes grown in a rainfed cropping system. Diseases of interest were black scurf (Rhizoctonia solani), powdery scab (Spongospora subterranea), and white mold (Sclerotinia sclerotiorum). On‐farm trials with large (60‐ft wide) replicated plots were established at three sites in 2003 and 2004, in Maine. Mustard (Sinapis alba and Brassica juncea blend) was sown at a seed rate of 10 lb/acre, mowed at late flowering, and then disked into the soil. In the following season, tuber yield was measured at each site and compared to that of potatoes grown in barley (Hordeum vulgare) check plots. Incidence of white mold on leaves and stems, and Rhizoctonia incidence on tubers, were evaluated at one site over two years. On average across all the sites, total tuber yield was 8% greater following mustard green manure versus barley. Mustard green manure was associated with decreased incidence of Rhizoctonia on tubers, and increased incidence of white mold on leaves and stems, in the following potato crop. No effect was observed on incidence of powdery scab.

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Section: Introductionmentioning

confidence: 99%

Effect of a Mustard Green Manure on Potato Yield and Disease Incidence in a Rainfed Environment

et al. 2007

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“…93 No. 5 contrast did not significantly reduce inocula of Fusarium spp., R. solani, and V. dahliae (5, 46) or suppress populations of fluorescent pseudomonads (10). Reasons for the mixed results are not well understood but may be related to soil type, soil temperature at time of amendment (14,32), amount and size of plant tissue incorporated (9,25), successfully creating reducing conditions after amending by applying polyethylene mulch (5), or incorporating dry or fresh plant material (32).…”

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confidence: 99%

Comparison of Crop Rotation for Verticillium Wilt Management and Effect on Pythium Species in Conventional and Organic Strawberry Production

et al. 2009

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The effects of broccoli and lettuce rotations on population densities of Verticillium dahliae and Pythium spp. in soil and on strawberry (Fragaria × ananassa) growth, yield, and Verticillium wilt were evaluated in conventional and organic production systems in California for 2 years. Under both management systems, strawberry was planted after two successive crops of broccoli or lettuce. The control treatment in the conventional field was strawberry planted in soils fumigated with methyl bromide + chloropicrin. Preplant densities of V. dahliae and Pythium sp. did not differ in these fields. At the end of the second broccoli crop, V. dahliae densities in conventional plots had declined by 44% in both years. In contrast, after the second broccoli crop, densities in organic fields decreased 47% in 2000 and 25% in 2001. In general, there were no differences in V. dahliae inoculum densities in organic and conventional plots following lettuce rotations. After the second vegetable production cycle, population densities of V. dahliae in broccoli rotated organic (24 CFU/g of soil in 2000 and 27 CFU/g of soil in 2001) or conventional (23 CFU/g of soil in 2000 and 19 CFU/g of soil in 2001) fields were significantly lower than those in lettuce rotated organic (40 CFU/g of soil in 2000 and 42 CFU/g of soil in 2001) or conventional (39 CFU/g of soil in 2000 and 35 CFU/g of soil in 2001) fields. However, crop rotation treatments had no consistent effect on the inoculum densities of Pythium spp. Canopy diameters of strawberry plants grown in rotation with broccoli were not different from those in fumigated control plots, whereas those from lettuce plots were 10% smaller. Strawberry plant nutrient analysis showed that fertilizer inputs into organic or conventional production were not responsible for the observed differences in plant size. Increases in strawberry yields were not consistent between years. Verticillium wilt incidence on strawberry was 12 to 24% lower in fields rotated with broccoli compared with fields rotated with lettuce. Wilt severity on strawberry was 22 to 36% lower in fields rotated with broccoli compared with those rotated with lettuce. The strategy of using broccoli rotation coupled with postharvest incorporation of broccoli residue continues to show promise as a tool in the management of Verticillium wilt in both conventional and organic strawberry production systems.

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“…asparagi, R. solani, V. dahliae, and Fusarium spp. [22,52]. In this regard, Hartz et al [53] mention that soil populations of V. dahliae and Fusarium spp.…”

Section: Discussionmentioning

confidence: 99%

“…These inconsistencies in reducing microbial populations using Brassicaceae-based amendments have been attributed to the use of different species, physical environments and target organisms [52], soil temperature [69], and amount of crop residue incorporated [22]. In general, the mechanisms involved in disease control are multiple and can vary with each pathosystem [24].…”

Section: Discussionmentioning

confidence: 99%

Effect of Fodder Radish (Raphanus sativus L.) Green Manure on Potato Wilt, Growth and Yield Parameters

Khiareddine¹

2016

Adv Crop Sci Tech

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Potato is threatened by several soil-borne fungi causing wilt and root rots. In this study, two fodder radish (Raphanus sativus L.) (FR) cultivars (cvs. Boss and Defender), used as green manure preceding a potato crop, were evaluated for their suppressive effects against wilt incidence and severity, potato growth and yield as compared to animal manure. The essay was carried out in a completely randomised design with three types of organic amendment and two potato cultivars (cvs. Spunta and Royal). Incidence of potato wilting noted 100 days post planting (DPP) was high, exceeding 70%, for all soil amendments tested. The extent of vascular discoloration varied depending on amendments used where cv. Defender behaved as the control while the highest extent was noted on potato plants grown in cv. Boss amended plots. As compared to animal manure, the application of cvs. Boss and Defender had increased by 48.43 and 41.28% the incidence of vascular discoloration on cv. Spunta, respectively, while on cv. Royal, only cv. Defender had reduced this parameter by 16.32%. Fungal isolations performed from roots and stems revealed the involvement of several soil-borne pathogens in the recorded plant wilting. Soil manuring using cvs. Boss and Defender FR resulted in significant increment in average stem number per plant and aerial part fresh weight by 22.79 and 21.32% and by 34.62 and 27.03%, respectively, as compared to animal manure. At 100 DPP, potato root fresh weight increase by 8.7 and 33.49% was noted on cv. Spunta compared to 30.34 and 23.48% recorded on cv. Royal. Potato tuber yield was improved by 38.28 and 10.7% and by 28.44 and 27.62% in cvs. Spunta and Royal, respectively, relative to animal manure. The use of FR as green manure may be implemented in the integrated management of soil-borne diseases for the enhancement of potato yield.

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Field Application of Brassicaceous Amendments for Control of Soilborne Pests and Pathogens

Cited by 25 publications

References 17 publications

Effect of a Mustard Green Manure on Potato Yield and Disease Incidence in a Rainfed Environment

Effect of a Mustard Green Manure on Potato Yield and Disease Incidence in a Rainfed Environment

Comparison of Crop Rotation for Verticillium Wilt Management and Effect on Pythium Species in Conventional and Organic Strawberry Production

Effect of Fodder Radish (Raphanus sativus L.) Green Manure on Potato Wilt, Growth and Yield Parameters

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