Leaf spot and Blight of Cotton and its Management

Name: Leaf spot and Blight of Cotton and its Management
Brand: LAP LAMBERT Academic Publishing
Availability: OutOfStock
Rating: 5 (1 reviews)

By Rasikbhai Kapadiya

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Description

Cotton (Gossypium sp.) is one the most important fibre cash crop of India as well as the world. The crop is known to suffer from several diseases. Among them, leaf spot and blight caused by Alternaria macrospora is an important one. The disease produced small, necrotic, circular brown spots on leaves, with a purplish halo and expands to about 1 cm diameter the centre becoming grey and cracked, Finally, the spots enlarge in size which later on resulted defoliation of leaves. The pathogen was slow growing and aerial septate and hyaline mycelium. Conidiophores measured 30-132 x 5.2-7.9 µm. Conidia, taken directly from the host measured 24.8-124.6x 7.3-21.8 µm including the beak length. On the basis of morphological characteristics, the fungus was identified as Alternaria macrospora Zimm. Under in vitro condition, systemic fungicide tebuconazole was found to be the most effective fungicide and inhibited (100%) mycelial growth. Tebuconazole (0.0375 %) was proved the best in controlling the disease (82.66 %) in vivo where minimum disease intensity (5.66 %) was recorded. resulting in higher cotton yield (6331.02 kg/ha).

Product details

Binding:: Paperback
Number of Pages:: 76
Release Date:: 2025-08-05
Publication Date:: 2025-08-05
Publisher:: LAP LAMBERT Academic Publishing
Languages:: Original: English
ISBN10:: 6208453984
ISBN13:: 9786208453985
Weight:: 131 g
Height:: 150 cm
Width:: 220 cm
Thickness:: 5 cm

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