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Alternaria leaf spot of bottle gourd
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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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Alternaria leaf spot of bottle gourd is one of the most important diseases of bottle gourd [Lagenaria siceraria (Molina) Standl.]. The present study was, therefore, carried out to know the status of the disease in Kashmir valley. The disease was found prevalent in all the vegetable growing areas of Kashmir valley surveyed.
9p
angicungduoc5
12-06-2020
20
2
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A total of fifteen fungicides and four bioagents were tested for their efficacy under in vitro conditions against Alternaria cucumerina. Among fungicides tested, propiconazole gave maximum inhibition (100.00 %) of radial mycelial growth followed by hexaconazole, captan+ hexaconozole and tebuconozole + trifloxystrobin by recording mean per cent inhibition of 98.74, 95.42 and 94.78 per cent respectively.
8p
trinhthamhodang4
22-03-2020
10
2
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Cultivation of resistant genotypes seems to be the best alternative and most economical to keep the activity of the pathogens under control. Thirteen bottle gourd genotypes were evaluated against the leaf spot disease caused by Alternaria cucumerina and anthracnsoe under natural epiphytotic conditions.
6p
nguaconbaynhay4
22-03-2020
10
2
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