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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2018, Vol. 6, Issue 1
Studies on diseases and disorders of different citrus germplasm under natural condition

Adesh Kumar and Tanjeet Singh Chahal

Citrus research block of Punjab Agricultural University, Fruit Research Station Jallowal-Lesriwal was surveyed during 2016 and incidence of disease and disorder was recorded. Ten cultivars of sweet orange, 3 mandarin, 3 lime, 3 lemon, 5 grapefruit and 1 kumquat (Fortunella) cultivars screened naturally with respected to citrus gummosis, fruit cracking, canker, nutrient deficiency and fruit dropping. Highest fruit cracking mean was observed in sweet orange and mandarin with 4%. However highest citrus cankers incidence was observed in lime and grapefruit with 81.66% and 78% respectively. It was also observed that Kumquat (Fortunella) showed an immune type of response to canker disease. Fruit dropping was observed greatest in mandarin (23.35%), it was not observed in lime, lemon and Kumquat (Fortunella). Nutrients deficiency was more common in sweet orange. However no citrus gummosis symptom was observed in any cultivars of citrus germplasm.
Pages : 406-409 | 348 Views | 18 Downloads
How to cite this article:
Adesh Kumar, Tanjeet Singh Chahal. Studies on diseases and disorders of different citrus germplasm under natural condition. J Entomol Zool Stud 2018;6(1):406-409.
Journal of Entomology and Zoology Studies
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