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Phytoplasma diseases in citrus orchards in Pakistan. Shazia Mannan.

Phytoplasma diseases in citrus orchards in Pakistan. Shazia Mannan.

Phytoplasma diseases in citrus orchards in Pakistan. Shazia Mannan.

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Sampl<strong>in</strong>g Strategy<br />

• In the districts of Sahiwal, Pakpattan and Multan all the tehsils were<br />

visited.<br />

• In each tehsils, 5 <strong>orchards</strong> were visited.<br />

• From each orchard at lease 5 symptomatic samples were collected.<br />

• Numbers of <strong>orchards</strong> for sampl<strong>in</strong>g depended upon cropp<strong>in</strong>g<br />

<strong>in</strong>tensity.<br />

• More <strong>orchards</strong> were visited <strong>in</strong> tehsils with <strong>in</strong>tense cropp<strong>in</strong>g such as<br />

<strong>in</strong> Sahiwal district.<br />

• Orchards of at least one acre area were observed for phytoplasma<br />

symptoms and sample collection.

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