Fruit Diseases of Guava in West Bengal

Ray, S.K.; Jana, Mousumi; Maity, Sourav; Bhattacharya, Ranjit Kumar; Khatua, D. C.

doi:10.17660/actahortic.2007.735.69

Cited by 4 publications

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“…In July 2017 Phytophthora nicotianae was successfully isolated from guava fruits grown at gardens of a village in Srirampur Union of Dumki Upazila next to the University in Patuakhali, a southern district of Bangladesh. In India the disease was first observed in 2007 at several guava orchards of West Bengal province and later Ray et al [1] conducted a research to manage the devastating disease.…”

Section: Commentarymentioning

confidence: 99%

First Report of Phytophthora Guava Fruit Rot in Bangladesh

Pervez¹,

Alam²,

Islam³

et al. 2018

J Plant Pathol Microbiol

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Section: Commentarymentioning

confidence: 99%

First Report of Phytophthora Guava Fruit Rot in Bangladesh

Pervez¹,

Alam²,

Islam³

et al. 2018

J Plant Pathol Microbiol

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“…During the last two decades fruit production was adversely affected by postharvest rots caused by Aspergillus niger Van Tiegh., Colletotrichum gloeosporioides Penz., Pestalotia psidii Pat. and Penicillium expansum Link (Ray et al, 2007Srivastava and Lal, 2009Chourasia and Jha, 2010). These pathogens not only blemish, disfigure or cause rots to fruits but post-infectional biochemical changes also reduce their food and market value considerably (Jha, 2017).…”

Section: Introductionmentioning

confidence: 99%

Effect of wrapping and packaging materials on fruit rot of guava (Psidium guajava Linn.)

JHA¹

2021

APSR

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In the present study, wrapping and packaging materials were evaluated for their capacity to decrease the decay losses of guava fruits during storage under ambient conditions (18-22OC and 75-80% RH) at Tej Narayan Banaili College, T.M. Bhagalpur University, Bhagalpur during the year 2014-2016. Results revealed that post-harvest decay loss can be minimized significantly through proper wrapping or packaging of fruits for storage. Fruits wrapped with heat-shrinkable low density polyethylene film (LDPE, 25 µm thick), or packed up to 30 days of storage in corrugated fibre board (CFB) boxes exhibited low decay losses of 11.9 and 22.8 per cent, respectively. In general, the fruit loss due to fungal attack increased with increasing duration of storage. Altogether 7 fungal species were found associated with rotten fruits during the storge. Botryodiplodia theobromae, was the most prominent post-harvest rotting agent causing 37.5% fruit loss. Colletotrichum gloeosporioides, Pestalotia psidii and Alternaria alternata showed 30.8, 25.5 and 16.8% fruit decay losses, respectively. Aspergillus niger (10.6%) Penicillium expansum (7.0%) and Rhizopus stolonifer (4.5%) caused least per cent decay losses of guava fruits.

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“…Guava fruit suffers with a number of postharvest rots caused by Alternaria alternata, Aspergillus niger, Botryodiplodia theobromae, Colletotrichum gloeosporioides, Pestalotia psidii, Penicillium expansum and Rhizopus stolonifer (Ray et al, 2007;Singh et al, 2008;Chourasia and Jha, 2010). Among various post-harvest rots of guava, fruit rot incited by C. gloeosporioides is a major disease in Bihar, having a pivotal role in guava cultivation with 29,000 ha area and annual production of 4,107 million tones in 2018 -2019 (Anonymous, 2019).…”

Section: Introductionmentioning

confidence: 99%

Eco-friendly management of Colletotrichum gloeosporioides, incitant of fruit rot of guava (Psidium guajava)

Chourasia¹

2021

APSR

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The present study was conducted at Tej Narayan Banaili College, T.M. Bhagalpur University, Bhagalpur, Bihar during 2015-2017 to evaluate the efficacy of 8 medicinal plants viz. Datura stramonium (datura), Curcuma longa (turmeric), Azadirachta indica (neem), Zingiber officinale (ginger), Allium sativum (garlic), Ocimum sanctum (tulsi), Nyctanthus arbortristis (harsringar) and Piper betle (betel/paan) and 4 bioagents viz. Trichoderma harzianum, T. viride, Gliocladium virens and Chaetomium globosum against Colletotrichum gloeosporioides (Penz.) Penz. & Sacc., an incitant of fruit rot disease of guava (Psidium guajava Linn.). A maximum inhibition of mycelial growth of pathogen was recorded in garlic clove extract (80%) followed by betel leaf extract (76%), turmeric rhizome extract (74%), neem leaf extract (70%) and ginger rhizome extract (64%). Harsringar leaf extract was found as the least effective (56%). In pre-and post-inoculation tests, all the phytoextracts were found significantly superior in reducing Colletotrichum rot severity on 7 days after treatments as compared to control. Garlic clove extract again proved highly effective in reducing fruit rot severity after 7 days after inoculation in both pre - and post - inoculation treatments. In vitro dual culture experiments, maximum growth inhibition was recorded with T. viride (76.5%) followed by G. virens (72.2%), T. harzianum (67.6%) and least inhibition by C. globosum (44.7%) In both pre - and post- inoculation treatments with antagonists, maximum DRI (disease reduction index) was noticed with C. globosum (69.2 and 62.4%) followed by T. harzianum (51.9 and 56.7%), G. virens (44.8 and 46.9%) and least with T. viride (38.1 and 35.4%). The rot incidence at 8 DAI (days after inoculation) was significantly higher than that at 4 DAI. The hot water fruit dip treatment at 50OC for 5 min was found best for controlling the rot without hampering the fruit quality.

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Fruit Diseases of Guava in West Bengal

Cited by 4 publications

References 0 publications

First Report of Phytophthora Guava Fruit Rot in Bangladesh

First Report of Phytophthora Guava Fruit Rot in Bangladesh

Effect of wrapping and packaging materials on fruit rot of guava (Psidium guajava Linn.)

Eco-friendly management of Colletotrichum gloeosporioides, incitant of fruit rot of guava (Psidium guajava)

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