Biocontrol of Fusarium wilt and growth promotion of tomato plants using endophytic bacteria isolated from Nicotiana glauca organs

2016 ◽  
Vol 97 ◽  
pp. 80-88 ◽  
Author(s):  
Rania Aydi Ben Abdallah ◽  
Sonia Mokni-Tlili ◽  
Ahlem Nefzi ◽  
Hayfa Jabnoun-Khiareddine ◽  
Mejda Daami-Remadi
Keyword(s):  
Fusarium Wilt ◽  
Endophytic Bacteria ◽  
Growth Promotion ◽  
Nicotiana Glauca ◽  
Tomato Plants

Biocontrol of Fusarium Wilt and Growth Promotion of Tomato Plants Using Endophytic Bacteria Isolated from Solanum elaeagnifolium Stems

2016 ◽  
Vol 164 (10) ◽  
pp. 811-824 ◽  
Author(s):  
Rania Aydi Ben Abdallah ◽  
Hayfa Jabnoun-Khiareddine ◽  
Ahlem Nefzi ◽  
Sonia Mokni-Tlili ◽  
Mejda Daami-Remadi
Keyword(s):  
Fusarium Wilt ◽  
Endophytic Bacteria ◽  
Growth Promotion ◽  
Tomato Plants ◽  
Solanum Elaeagnifolium

scholarly journals Bacterial Formulations in Induction of Resistance and Growth Promotion of Tomato Plants

2018 ◽  
Vol 10 (10) ◽  
pp. 493
Author(s):  
José R. M. Campos Neto ◽  
Rafael Ribeiro Chaves ◽  
Diogo Herison Silva Sardinha ◽  
Luiz Gustavo de Lima Melo ◽  
Antônia Alice Costa Rodrigues
Keyword(s):  
Plant Growth ◽  
Fusarium Wilt ◽  
Seed Treatment ◽  
Dry Matter ◽  
Growth Promotion ◽  
Systemic Resistance ◽  
Tomato Plants ◽  
Vigor Index ◽  
Promote Plant Growth ◽  
Induction Of Resistance

The objective of this work was to evaluate the effectiveness of seed treatment with fresh suspensions and powder formulations with Bacillus methylotrophicus to promote plant growth and induction of resistance against fusarium wilt (Fusarium oxysporum f. sp. lycopersici) in tomato plants under greenhouse conditions, verifying the occurrence of morphological and biochemical changes in the evaluated plants. Powder formulations based on Cassava (Manihot esculenta), Arrowroot (Maranta arundinacea) and sodium alginate containing Bacillus, in addition to the commercial product Quartz®, were used to microbiolize the tomato seeds of the cultivar Santa Cruz. The formulations promoted plant growth, with a seedling vigor index greater than 50% for all treatments containing B. mthylotrophicus, in addition to a significant increase in total dry matter. The treatments induced systemic resistance, controlling the fusarium wilt with a 75% reduction of the disease and activation of enzymes such as peroxidase and polyphenoloxidase, only β-1,3-glucanase presented less activity than controls (treatments without B. mthylotrophicus). Thus, the use of formulations containing Bacillus are efficient in promoting plant growth of tomato plants and in inducing resistance to the control of fusarium wilt.

Endophytic bacteria from Datura metel for plant growth promotion and bioprotection against Fusarium wilt in tomato

2016 ◽  
Vol 26 (8) ◽  
pp. 1139-1165 ◽  
Author(s):  
Aydi Ben Abdallah Rania ◽  
Hayfa Jabnoun-Khiareddine ◽  
Ahlem Nefzi ◽  
Sonia Mokni-Tlili ◽  
Mejda Daami-Remadi
Keyword(s):  
Plant Growth ◽  
Fusarium Wilt ◽  
Plant Growth Promotion ◽  
Endophytic Bacteria ◽  
Growth Promotion ◽  
Datura Metel

scholarly journals Preparation of the oligochitosan-silver nanoparticles with a potential application as an antigungal fertilizer against Fusarium oxysporum causing fusarium wilt disease on tomato

2018 ◽  
Vol 15 (1) ◽  
pp. 141-149
Author(s):  
Nguyễn Thanh Vũ ◽  
Huỳnh Quyền ◽  
Dương Hoa Xô ◽  
Lê Quang Luân
Keyword(s):  
Silver Nanoparticles ◽  
Antifungal Activity ◽  
Fusarium Oxysporum ◽  
Fusarium Wilt ◽  
Foliar Application ◽  
Growth Promotion ◽  
Wilt Disease ◽  
In Vitro Test ◽  
Tomato Plants ◽  
Fusarium Wilt Disease

Chitosan with molecular weight (Mw) approx. 573,2 kDa and deacetylation degree about 80% was irradiated by gamma rays at swollen state in the present of 1 - 3% hydrogen peroxide for degradation to prepare low Mw products. The solution of 5% low Mw chitosan in 0.5% acetic acid was further irradiated for induction of oligochitosan. The obtained results indicated that the foliar application by 100 ppm oligochitosan with Mw ~ 19.5 kDa prepared by 4kGy-irradiation of the low Mw chitosan with Mw ~ 48.4 kDa had a strongly growth promotion effect on tomato plants after 30 days cultivation. The oligochitosan silver nanoparticles (AgNPs) was also synthesized by gamma irradiation of solution contained 5% low Mw chitosan and 1 mM silver nitrate in order to prepared antifungal fertilizer for tomato plants. The results on in vitro test for the antifungal activity oligochitosan AgNPs against Fusarium oxysporum causing Fusarium wilt disease pointed out that the addition of this product into cultivated media inhibited strongly the growth of the Fusarium oxysporum pathogen fungus on carrot agar media. The antifungal efficiency values were found from 50.5 to 94.9% by the supplementions of silver concentrations from 20 to 30 ppm, respectively. The supplementation with a silver concentration of 40 ppm inhibited completely the growth of F. oxysporum on the cultivated media. Thus the oligochitosan AgNPs product had not only the growth promotion activity for tomato, but also high antifungal activity against F. oxysporum. This product is promising to be used as an antifungal fertilizer for tomato with safety and efficiency.

scholarly journals Streptomyces consortia-mediated plant defense against Fusarium wilt and plant growth-promotion in chickpea

2021 ◽  
pp. 104961
Author(s):  
Sravani Ankati ◽  
Vadlamudi Srinivas ◽  
Sambangi Pratyusha ◽  
Subramaniam Gopalakrishnan
Keyword(s):  
Plant Growth ◽  
Plant Defense ◽  
Fusarium Wilt ◽  
Plant Growth Promotion ◽  
Growth Promotion

scholarly journals Transcriptomic insights into growth promotion effect of Trichoderma afroharzianum TM2-4 microbial agent on tomato plants

2021 ◽  
Vol 20 (5) ◽  
pp. 1266-1276
Author(s):  
Juan ZHAO ◽  
Ting LIU ◽  
Wei-cheng LIU ◽  
Dian-peng ZHANG ◽  
Dan DONG ◽  
...  
Keyword(s):  
Growth Promotion ◽  
Tomato Plants ◽  
Promotion Effect ◽  
Microbial Agent

scholarly journals Combined Application of Rhizosphere Bacteria with Endophytic Bacteria Suppresses Root Diseases and Increases Productivity of Black Pepper (Piper nigrum L.)

Agriculture ◽  
2020 ◽  
Vol 11 (1) ◽  
pp. 15
Author(s):  
Sy Dinh Nguyen ◽  
Thi Huyen Trang Trinh ◽  
Trung Dzung Tran ◽  
Tinh Van Nguyen ◽  
Hoang Van Chuyen ◽  
...  
Keyword(s):  
Bacillus Subtilis ◽  
Endophytic Bacteria ◽  
Growth Promotion ◽  
Black Pepper ◽  
Rhizosphere Bacteria ◽  
Growth And Yield ◽  
Piper Nigrum ◽  
Bacillus Velezensis ◽  
Root Knot Nematode ◽  
Central Highland

Black pepper (Piper nigrum L.) is one of the most important crops and global demand continues to increase, giving it a high export value. However, black pepper cultivation has been seriously affected by a number of pathogenic diseases. Among them, “quick wilt” caused by Phytophthora sp., “slow decline” caused by Fusarium sp., and root-knot nematode Meloidogyne sp. have a serious negative effect on black pepper growth and productivity. There have been different chemical and biological methods applied to control these diseases, but their effectiveness has been limited. The aim of this research was to evaluate different combinations of rhizosphere bacteria and endophytic bacteria isolated from black pepper farms in the Central Highland of Vietnam for their ability to suppress pathogens and promote black pepper growth and yield. Formula 6, containing the strains Bacillus velezensis KN12, Bacillus amyloliquefaciens DL1, Bacillus velezensis DS29, Bacillus subtilis BH15, Bacillus subtilis V1.21 and Bacillus cereus CS30 exhibited the largest effect against Phytophthora and Fusarium in the soil and in the roots of black pepper. These bio-products also increased chlorophyll a and b contents, which led to a 1.5-fold increase of the photosynthetic intensity than the control formula and a 4.5% increase in the peppercorn yield (3.45 vs. 3.30 tons per hectare for the control). Our results suggest that the application of rhizosphere and endophytic bacteria is a promising method for disease control and growth-promotion of black pepper.

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