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First report of leaf blight caused by Alternaria alternata on Hevea brasiliensis in India

, : First report of leaf blight caused by Alternaria alternata on Hevea brasiliensis in India. Journal of Plantation Crops 34(3): 449-454

Alternaria leaf blight caused by Alternaria alternata was observed on rubber (Hevea brasiliensis) tree, the source of natural rubber latex of commercial value. Initial symptoms appeared on young leaves as minute spots, which enlarged with the growth of the leaves. A characteristic browning and blackening of veins forming a 'fishbone' or 'railway track' symptom was noticed at later stage of the disease.


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Robinson, G., 1942: A preliminary report of an outbreak of kala-azar in a battalion of Kings African Rifles. Case-histories of an outbreak of kala-azar among native troops stationed in low marshy river bottoms in Northern Kenya showed that the incubation period is approx. 2 months, and pointed to a sand-fly (Phlebotomus sp.?) as the possible vector.

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