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Alternaria leaf blight
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The objective of this study was to record the incidence of leaf blight of chrysanthemum caused by Alternaria alternata in Prayagraj city based on visual inspection and microscopic observation carried out during 2019-2020.
7p
cothumenhmong11
11-05-2021
4
2
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Tomato is world’s one of the largest growing vegetable crop and ranks first among processing crops. It’s production suffers with many biotic and abiotic factors. Leaf blight disease caused by different species of Alternaria is one of the most dreadful diseases of tomato, causing huge economic losses. The present study was conducted in order to evaluate the efficacy of different fungicides against Alternaria alternata, one of cause for blight disease of tomato.
6p
trinhthamhodang11
27-04-2021
25
1
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Characterization and identification of Alternaria spp. causing foliar blight and black rot in carrot
Carrot (Daucus carota L.) of plant family Apiaceae is a most popular and commonly used vegetable worldwide because of its multiple uses. This crop suffers greatly due to a number of diseases from seedling to maturity stage in which the diseases caused by Alternaria spp. are one of them. Two types of diseases occur in serious farm on this carrot crop, one is the Alternaria leaf (foliar) blight caused by Alternaria dauci and the other one, Alternaria black rot in which two species, Alternaria radicina and A. carotiincultae are involved in the causation of this disease.
10p
trinhthamhodang11
27-04-2021
14
2
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The incidence and severity of Alternaria blight in rapeseed-mustard fields is greatly influenced by temperature, relative humidity, soil condition at the time of planting, splashing rain, wind velocity, leaf wetness and inoculum density available in the soil (Meena et al., 2004).
6p
trinhthamhodang11
27-04-2021
11
1
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The crop is attacked by a number of diseases such as Alternaria leaf blight, Cercospora leaf spot, powdery mildew, downy mildew and anthracnose, amongst which Alternaria leaf blight caused by Alternaria cucumerina is found to cause serious losses throughout Rajasthan and other states. The incidence and severity of Alternaria blight in bottle gourd fields is greatly influenced by temperature, relative humidity, soil condition at the time of planting, splashing rain, wind velocity, leaf wetness and inoculum density available in the soil (Meena et al., 2004).
5p
trinhthamhodang11
27-04-2021
18
1
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Early blight is the most devastating disease of tomato it is caused by pathogens i.e. Alternaria solani. In tropical and subtropical countries it creates hazardous effect. It is also a common problem in United Kingdom, Australia, India, Nepal and United States. It is one of the most common foliar diseases of tomatoes. The disease can occur over a wide range of climatic conditions, but is most prominent in areas with heavy dew, rainfall and high relative humidity. Every year sever disease appears in north India.
6p
chauchaungayxua10
19-03-2021
18
3
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Rapeseed-mustard (Brassica juncea L) is an economically prodigious and utile oilseed crop of the world. Potato dextrose agar media was significantly superior over other tested media at 5 and 7 days after inoculation. However it was at par with mustard leaf dextrose agar at 3 days after inoculation and significantly superior over the rest culture media.
4p
cothumenhmong9
18-01-2021
14
2
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Alternaria helianthi the causal agent of sunflower leaf blight was isolated from a monoconidial culture derived from blight infected sunflower leaves of MSFH-8.Alternariahelianthi was first cultured on PDA and then transferred to Potato Dextrose broth. Toxin was purified from the cultural filtrate by treatment with organic solvents. The identity of the toxin was established by estimating carbohydrate and protein content. Based on the quantity of carbohydrate and protein the toxin was identified as glycoproteinaceous in nature.
5p
gaocaolon9
22-12-2020
15
2
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The sixteen varieties of cluster bean were screened against Alternaria blight of cluster bean caused by Alternaria cucumeriana var. cyamopsidis under field conditions at College Research Farm, College of Agriculture, Swami Keshwanand Rajasthan Agricultural University, Bikaner.
5p
trinhthamhodang9
16-12-2020
7
1
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An experiment was conducted to evaluate the effect of three botanical extracts, two botanical fungicides and one essential oil in vitro and in vivo against Alternaria brassicae causing Alternaria blight of cabbage.
7p
trinhthamhodang1216
19-11-2020
17
2
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The different fungicides were evaluated under in-vitro to know the effective fungicides at lower concentration against the Alternaria leaf blight pathogen.
8p
trinhthamhodang1216
19-11-2020
8
1
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A Survey was conducted in major chilli growing areas of west Bengal for most prevailing diseases in chilli during the year 2015-16. As a result in chilli apart from the anthracnose, Alternaria, Choanephora blight a new disease was observed showing symptoms as dark brown spots on leaf, stem and fruit on chilli (Capsicum annuum L.) plants in Basantapur, West Bengal during 2015–2016.
4p
angicungduoc8
07-11-2020
13
1
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Cotton is one of the principal commercial crop and it is the back bone of national economy of our country. Cotton remains the most miraculous fiber and is still nature’s wonder fiber. Cotton is grown all around the globe, and is traded internationally as well. The production is influenced by the repeated out breaks of pest and diseases and these are the major factors responsible for lower yield of cotton in India.
7p
angicungduoc8
07-11-2020
13
1
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In vitro screening of different contact, systemic and combi-products against Alternaria tenuissima the fungus causing leaf blight of kodo millet was done employing poison food technique. The results revealed that, among the four contact fungicides, mancozeb at 0.15 and 0.20 per cent concentration gave the maximum inhibition (69.33 and 66.67%) of mycelial growth.
6p
angicungduoc8
07-11-2020
16
1
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The field trials were conducted during rainy season of 2013 and 2014 for disease management of Alternaria leaf blight in bottle gourd through botanicals, fungicides, bio-agent and their combinations.
6p
trinhthamhodang1215
23-09-2020
7
1
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A study on management of Alternaria leaf blight of tomato was carried out in year 2015-2016. Under in vitro evaluation of the botanicals drake (Melia azedarach) has highest efficacy of 63.52 per cent inhibition of the average mycelial growth of the Alternaria solani. However the least effective botanical was Urtica dioica with 36.30 per cent of mycelial inhibition.
8p
cothumenhmong7
09-09-2020
7
2
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Sunflower is an important major oilseed crop ranks next to groundnut and soybean at global level. It belongs to the family Asteraceae and mostly infected by several fungal, bacterial and viral diseases among which leaf spot and blight caused by Alternaria helianthi was considered as one of the most destructive diseases in the sunflower growing areas. An experiment was studied to determine the disease incidence and intensity of the disease in both Kharif and Rabi season (2018-19) by observing the plant raised in field.
10p
kethamoi7
26-08-2020
13
2
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Early blight of potato caused by Alternaria alternata is one of the major diseases causing considerable yield loss. Efficacy of bio-agents was studied and revealed the all four Trichoderma species significantly reduced the mycelial growth of the pathogen over the control by dual culture method. Significantly maximum inhibition of mycelial growth was obtained with T. viride (57.08%) followed by T. azospirillum (50.00%), T. harzianum (43.26%) and T. virens (37.08%) of the pathogen after 48 hours of incubation. In present study, T. viride was observed more inhibitory against A. alternata...
6p
kethamoi7
26-08-2020
11
2
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The experiment was conducted at Department of Plant Pathology, S.K.N. College of Agriculture, Jobner (Rajasthan). Alternaria alternata was isolated from leaves of tomato and observed to be pathogenic under artificial conditions.
11p
caygaocaolon6
30-07-2020
10
2
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Studies were undertaken to evaluate the plant extracts, fungicides and bio-agents against early blight disease of tomato caused by Alternaria solani under in vitro and vivo conditions. Among the four evaluated plant extracts against A. solani, neem leaf extract at 15% (w/v) was found to be most effective in inhibiting the mycelial growth of the pathogen with inhibition of 52.36 per cent, followed by combination of garlic clove and green chilli extract with the inhibition of 50.42 per cent.
7p
angicungduoc6
22-07-2020
17
1
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