Physiological Disorders of Crops
Physiological Disorders of Important Crops
Important Physiological Disorders of Crops
| Disorders | Causes |
| Rose | |
| Bull head | Due to deficiency of carbohydrates or starvation, Bent Neck, Limp neck. |
| Carnation | |
| Calyx | Splitting, Grassiness, Sleepiness. |
| Chrysanthemum | |
| Crown bud formation | Premature budding. |
| Gladiolus | |
| Blindness | Due to unfavourable climate |
| Topple & bud rot | Due to calcium deficiency |
| Negetive geotropism | Due to uneven distribution of auxins & vertical transportation of sticks |
| LIlium | |
| Bud blast | Due to high pressure at the top. |
| Orchids | |
| Dry saple injury | Due to high concentration of ethylene, pollution and humidity |
| Mango | |
| Black tip | Due to near brick kilns |
| Little leaf | Due to Zn deficiency. |
| Disorders | Causes |
| Banana | |
| Improper bunch filling | Due to K deficiency. |
| Citrus | |
| Granulation (spray lime), Exanthema | Due to Cu deficiency. |
| Yellow leaf | Due to Mo deficiency. |
| Grapes | |
| Hen & chicken and Millerandage | Due to B deficiency. |
| Calyx end rot | Due to Ca deficiency (Persimon too). |
| Aonla | |
| Fruit necrosis | Due to B deficiency. |
| Pomegranate | |
| Fruit cracking | Due to B deficiency. |
| Apple | |
| Jonthan spot | Due to water deficiency. |
| Bitter pit | Due to Ca deficiency |
| Pineapple | |
| Multiple crown (fasciation) | its problem of virgin soils. |
| Tomato | |
| BER (Blossom end rot) | Ca deficiency. |
| Chilli | |
| BER (Blossom end rot) | Excess N2 + water stress. |
| Watermelon | |
| BER (Blossom end rot) | High temperature + irregular irrigation + Ca deficiency. |
| Disorders | Causes |
| Rubber | |
| Brown blast or TPD (tapping panel dryness) | Due to excessive extraction of latex |
| Coconut | |
| Little leaf | Due to B deficiency. |
| Arecanut | |
| Band disease | Due to improper drainage. |
| Potato | |
| Greening | Due to accumulation of solanin & chaconin alkaloids on tuber, exposure to sunrays. |
| Hollow heart | Due to application of excessive fertilizer & irrigation |
| Black heart | Due to poor ventilation in cold storages. |
| Cucumber | |
| Pillow | Due to Ca deficiency. |
| Radish | |
| Pithiness | Due to delayed harvesting |
| Akashin | Due to B deficiency. |
| Carrot | |
| Forking | Due to hard soil pan. |
| Cavity spot | Due to Ca deficiency. |
| Bittering | Due to etylene deposition (storage disorder). |
| Disorders | Causes |
| Beet root | |
| Colour zoning | Due to temperature fluctuation. |
| Lettuce | |
| Tip burn | Due to Ca deficiency. |
| Bittering | Due to premature bolting (high temperature). |
| Mangosteen | |
| Gambogee | deficiency of calcium (Ca) |
| Avocado | |
| Dry neck | B deficiency |
| Strawberry | |
| Albinism | Due to mineral deficiency |
| Cocoa | |
| Cherelle wilt | Due to lack of shade – and poor nutrition |
| Coffee | |
| Black Pod | Due to excessive rain and humidity |
| Disorders | Causes |
| Celery | |
| Pencil strips | Due to excessive P. |
| Cracked stem | Due to B deficiency. |
| Custard apple | |
| Stone fruits | Imbalance of potassium, calcium and magnesium in the soil. |
| Cauliflower | |
| Whip tail | Due to Mo deficiency. |
| Buttoning | Due to N deficiency, due to frost. |
| Pinkling | Due to low temperature. |
| Colocasia | |
| Metsubre | Due to Ca deficiency. |
| Sweetpotato | |
| Delayed ripening | Due to high moisture. |
| Peas | |
| Marsh spots | Due to Mn deficiency. |
Physiological Disorders of Crops
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Nyce sir …thanku so much
Great one ,still lacking field crops physiological disorders .
Pls also add that one