Publications by authors named "Joy Josna"
Article Synopsis
- Chia is a commercially important crop in India, particularly in Karnataka, where a field survey revealed signs of virescence with symptoms affecting 2-4% of the crop in a 30-hectare area.
- The symptoms included malformed shoots, thickened stems, and reduced floral parts characterized by greenish florets.
- DNA analysis confirmed the presence of phytoplasma associated with the symptoms, specifically identifying it as Candidatus Phytoplasma aurantifolia with high sequence similarity to other known phytoplasmas.
Crossandra (Crossandra infundubuliformis (L.) Nees.) is one of the main floriculture crops in Karnataka.
View Article and Find Full Text PDFChrysanthemum morifolium L. is an important flower crop grown in different parts of Karnataka for its striking cut flowers and international market value. During a field survey (Mysore district, Karnataka, February, 2022), chrysanthemum fields were found infected with foot rot disease.
View Article and Find Full Text PDFGrape (Vitis vinefera L.) is a popular horticulture crop in Karnataka, India. A fungal pathogen caused panicle blight on panicles with immature fruit and severity increased subsequently in the grape growing regions of Devanahalli and Doddaballapur, Karnataka, between August and September 2019.
View Article and Find Full Text PDFHorse gram (Macrotyloma uniflorum (Lam.) Verdc., Fabaceae) is an important legume crop cultivated widely in the arid and semiarid regions.
View Article and Find Full Text PDFSalvia hispanica L. (Lamiaceae) commonly called 'chia' is an important food crop that has gained significance in recent times globally due to its nutritive value. During a field survey (Mysore district, Karnataka, October, 2021), chia fields were found associated with a characteristic foot rot disease.
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