Nodulation, Nitrogen Fixation and Growth of Soybean Plants(Glycine max Merr.) in Soil Supplemented with Chitin or Chitosan.

Ali, Muhammad; Horiuchi, Takatsugu; Miyagawa, Shuichi

doi:10.1626/jcs.66.100

Cited by 17 publications

(9 citation statements)

References 18 publications

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“…In our previous study, soybean nodulation was enhanced by a low application rate of 0.1 % of chitin or chitosan that had been purified from crab shell (Ali et al, 1997). However, the present study the soybean nodulation was suppressed by increasing concentrations of crab shell.…”

Section: Discussioncontrasting

confidence: 66%

“…Crab or lobster shell also contain about 12-20% chitin (Mitchell, 1963). OUf previous study demonstrated that soil supplementation with chitin purified from crab shell had deleterious effects on soybean root nodulation and nitrogen fixation at an early growth stage, although low concentrations of chitin had stimulatory effects at a later growth stage (Ali et al, 1997). Deleterious effects of undecomposed lobster shell, and stimulatory effects of well-decomposed lobster shell on growth of buckwheat have been reported (Michiyama, 1994;Michiyama, 1995) .…”

mentioning

confidence: 96%

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Effects of Soil Amendment with Crab Shell on the Growth and Nodulation of Soybean Plants (Glycine maxMerr.)

Ali

Horiuchi²,

Miyagawa

1998

Plant Production Science

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Section: Discussioncontrasting

confidence: 66%

mentioning

confidence: 96%

Effects of Soil Amendment with Crab Shell on the Growth and Nodulation of Soybean Plants (Glycine maxMerr.)

Ali

Horiuchi²,

Miyagawa

1998

Plant Production Science

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“…Ali et al (1997) and Costales et al (2005Costales et al ( , 2007 described similar results in studies on the effects of applying chitin and chitosan to soil for soybean nodulation.…”

Section: Nodules and Shoot Biomassmentioning

confidence: 61%

Plant and soil characteristics affected by biofertilizers from rocks and organic matter inoculated with diazotrophic bacteria and fungi that produce chitosan

Berger

Stamford

Santos

et al. 2013

J. Soil Sci. Plant Nutr.

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The aim of this study was to evaluate the effectiveness of a mixed biofertilizer with phosphate and potash rocks (PK biofertilizer) combined with an earthworm compound inoculated with free living diazotrophic bacteria and Cunninghamella elegans, fungi that produces chitosan, on cowpea nodulation, biomass yield and nutrient uptake. The effects of some chemical attributes from an acidic soil of the Brazilian Northeast were also studied. The treatments were as follows: a) biofertilizer enriched in N by free living diazotrophic bacteria(NPKB), applying crustaceous chitosan (ChCru) at a rate 2 mg mL -1 ; b) NPKB and ChCru at a rate 4 mg mL -1 ; c) NPKB and ChCru at a rate 6 mg mL -1 ; d) NPKB and fungi chitosan (ChFu, 2 mg mL -1); e) NPKB+C. elegans (NPKP); f) NPKB without chitosan; g) mineral fertilizers (NPKF); and h) control without NPK fertilizer and chitosan. Biofertilizer treatments increased cowpea nodules biomass, shoot biomass, and total N, P, and K in the shoots. The largest increase was obtained with ChCru, and the highest rate was obtained with NPKP. Furthermore, biofertilizers reduced soil pH and increased the total N and available P and K. These results reveal the potential of rock biofertilizer mixed with earthworm compound inoculated with free living diazotrophic bacteria and C. elegans (fungi chitosan) for plant production and nutrient uptake. The biofertilizer may be an alternative for NPK fertilization that slows the release of nutrients, favoring longterm soil fertility.

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“…As a soil amendment, chitosan has been found to enhance plant height, canopy diameter, and leaf area of chili pepper [Capsicum annuum (Chookhongkha et al, 2012)], improve soybean (Glycine max) nodulation and seed yield (Ali et al, 1997), and increase plant height, DW, leaf number and area, and chlorophyll index of tomato (Solanum lycopersicum), rice (Oryza sativa), lettuce, and radish (Raphanus raphanistrum ssp. sativus) (Boonlertnirun et al, 2008;Chibu and Shibayama, 2003;Farouk et al, 2011).…”

Section: Resultsmentioning

confidence: 99%

Chitosan as Soil Amendment Affects Lettuce Growth, Photochemical Efficiency, and Gas Exchange

Xu¹,

Mou²

2018

hortte

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Chitosan has become of interest as a crop biostimulant suitable for use in sustainable agriculture since it is biocompatible, biodegradable, environmentally friendly, and readily available in large quantity. Short-term (35 d after transplanting) effects of chitosan, applied as a soil amendment at 0%, 0.05%, 0.10%, 0.15%, 0.20%, or 0.30% (w/w), on lettuce (Lactuca sativa) growth, chlorophyll fluorescence, and gas exchange were evaluated in a growth chamber study. Chitosan at 0.05%, 0.10%, and 0.15% increased leaf area from 674 to 856, 847, and 856 cm2, and leaf fresh weight from 28.6 to 39.4, 39.1, and 39.8 g, respectively. Only chitosan at 0.05% and 0.10% increased leaf dry weight from 3.42 to 4.37 and 4.35 g, respectively, while chitosan at 0.30% decreased leaf number, area, fresh and dry weight. Chitosan at 0.10%, 0.15%, 0.20%, and 0.30% increased leaf chlorophyll index from 29.8 to 34.4, 35.4, 37.5, and 41.4, respectively. Chitosan at 0.20% and 0.30% increased leaf maximum photochemical efficiency and photochemical yield, and chitosan at 0.10%, 0.15% 0.20%, and 0.30% increased leaf electron transport rate. Leaf photosynthesis rate and stomatal conductance (gS) increased from 9.3 to 12.7, 14.0, and 16.6 μmol·m−2·s−1 carbon dioxide, and from 0.134 to 0.183, 0.196, and 0.231 mol·m−2·s−1, under chitosan at 0.15%, 0.20%, and 0.30%, respectively. The results indicated that chitosan, at appropriate application rates, enhanced lettuce growth, and might have potential to be used for sustainable production of lettuce.

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Nodulation, Nitrogen Fixation and Growth of Soybean Plants(Glycine max Merr.) in Soil Supplemented with Chitin or Chitosan.

Cited by 17 publications

References 18 publications

Effects of Soil Amendment with Crab Shell on the Growth and Nodulation of Soybean Plants (Glycine maxMerr.)

Effects of Soil Amendment with Crab Shell on the Growth and Nodulation of Soybean Plants (Glycine maxMerr.)

Plant and soil characteristics affected by biofertilizers from rocks and organic matter inoculated with diazotrophic bacteria and fungi that produce chitosan

Chitosan as Soil Amendment Affects Lettuce Growth, Photochemical Efficiency, and Gas Exchange

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