Insect Pests – Rhizome Weevil / Corm borer

Insect Pests – Rhizome Weevil / Corm borer: Symptoms: Adult weevil (Cosmopolites sordidus) is black and mostly found in between leaf sheaths and in the soil at the base of the rhizome. Rhizome weevil interfere with the root initiation, kill existing roots that limits nutrient uptake, reduces plant vigour, delays flowering and increases susceptibility to other pests and diseases. Larvae of the weevil furrow into the rhizome at different locations creating a network of hollow tunnels which are not visible externally. Larvae sometimes bore into the pseudostem also.  Infestation at the early stage reduces plant vigour. Sick appearance and yellow lines on the top leaves are early symptoms. In the advanced stage of infestation, plant...

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Posted in: Insect Pests – Rhizome Weevil / Corm borer

Insect Pests – Pseudostem Weevil / Borer

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Insect Pests – Pseudostem Weevil / Borer: Symptoms: The Pseudostem weevil (Odoiporus longicollis) are normally black coloured ones but red coloured variants are also found in some areas. The pest breeds...

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Posted in: Insect Pests – Pseudostem Weevil / Borer

Fungal Disease (Pre & Post Harvest): Fruit Freckle / Leaf Freckle

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Fungal Disease (Pre & Post Harvest): Fruit Freckle & Leaf Freckle:  Symptoms: Causal organism of this disease is a fungus which has two names, Phyllostictina  musarum and Guignardia...

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Posted in: 50. Fungal Disease - Fruit Freckle / Leaf Freckle

Fungal Disease (Pre & Post Harvest) – Speckle

Fungal Disease (Pre & Post Harvest) – Speckle: Normal 0 false false false MicrosoftInternetExplorer4 Symptoms:  Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Fungus Deightoniella...

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Posted in: 53. Fungal Disease – Speckle

Fungal Disease (Pre & Post Harvest) – Brown spot or Diamond Spot:

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Fungal Disease (Pre & Post Harvest) – Brown spot or Diamond Spot: Symptoms: The disease is caused by Cercospora hayi often in conjunction with Fusarium spp. These fungi are common saprophyte...

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Posted in: 51. Fungal Disease – Brown spot or Diamond Spot

Fungal Disease (Pre & Post Harvest): Pitting Disease

Normal 0 false false false MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Fungal Disease (Pre & Post Harvest) – Pitting Disease: Symptoms: The disease is caused by Pyricularia grisea and this is characterized by round, sunken pits...

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Posted in: 52. Fungal Disease – Pitting Disease