Black/stem rust/rust of wheat

Black rust, stem rust, rust of wheat

Black/stem rust/rust of wheat Causal organism/Pathogen of Black/stem rust/rust of wheat  Puccinia graminis tritici. Symptoms of Black/stem rust/rust of wheat Black rust is first marked by an eruption of elongated …

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Foot rot of rice

Foot rot of rice

Foot rot of rice Causal organism of Foot rot of rice Fusarium moniliforme.    Distribution of Foot rot of rice  The foot rot of rice caused by Fusarium moniliforme was …

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Stem rot of rice management

Stem rot of rice management

Stem rot of rice management Causal organism of Stem rot of rice  Sclerotium oryzae. Distribution of Stem rot of rice The disease has been reported from all rice growing countries …

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Tungro disease of rice management

Tungro disease of rice management

Tungro disease of rice management Distribution of Tungro disease of rice  Tungro is the most serious viral disease of rice in south and south-east Asia from   Pakistan to the Philippines. …

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Blast disease of rice management

Blast disease of rice management

Blast disease of rice management Causal organism Scientific name: Pyricularia oryzae Occurrence/distribution of Blast disease of rice  The blast disease of rice occurs world wide and one of the most …

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Basic 9 Causes of soil acidity

Causes of soil acidity

Causes of soil acidity   1. Leaching of basic cation by heavy rainfall: CO2 dissolve in water to produce carbonic acid (H2CO3). These H2CO3 removes the basic cations (i.e. Mg+, …

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Basic 4 Components of soil

Components of soil

Components of soil The soil consists of four major components i.e., mineral matter, organic matter, soil air and soil water. Volumetric composition of mineral (inorganic) soil:   1. Mineral matter …

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