Rots (fungal)
Plant rots are a group of destructive diseases affecting crops globally, triggered by fungi, bacteria, or oomycetes. Common pathogens such as Fusarium, Phytophthora, and Erwinia break down cellular structures, leading to the decay of stems, roots, fruits, or tubers. These pathogens are often soil-borne, making them persistent threats in various agricultural systems.
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Mucor rot
Mucor mucedo
Mycocentrospora leaf spot
Mycocentrospora acerina
Mycoleptodiscus root and crown rot
Mycoleptodiscus terrestris
Mycosphaerella leaf spot
Mycosphaerella proteae
Myriosclerotinia curreyana
Myriosclerotinia curreyana
Myriosclerotinia rot
Myriosclerotinia
Myrothecium leaf spot
Myrothecium roridum
Myrothecium leaf spot
Myrothecium verrucaria
Myrothecium leaf spot
Myrothecium spp.
Myrothecium leaf spot
Paramyrothecium roridum
Myrothecium rot
Myrothecium inundatum
Narcissus Sclerotinia
Sclerotinia narcissicola
Narcissus Sclerotinia
Sclerotinia polyblastis
Neocosmospora root rot
Neocosmospora spp.
Neofusicoccum dieback and gummosis
Neofusicoccum ribis
Neofusicoccum protearum
Neofusicoccum protearum
Omphalia root rot
Omphalia spp.
Oyster mushroom
Pleurotus ostreatus
Oyster mushroom
Pleurotus
Paramyrothecium
Paramyrothecium
Paramyrothecium foliicola
Paramyrothecium foliicola
Paramyrothecium rot
Paramyrothecium nigrum
Passalora crotonis
Passalora crotonis
Pestalotia
Pestalotia spp.
Phaeocytostroma stalk rot
Phaeocytostroma ambiguum
Phaeophleospora protearum leaf spot
Phaeophleospora protearum
Phaeosclerotinia
Phaeosclerotinia
Phaeosclerotinia rot
Phaeosclerotinia nipponica
Phaeotrichoconis spot
Phaeotrichoconis crotalariae
Phialophora rot
Phialophora malorum
Phoma stem canker
Leptosphaeria maculans
Phyllosticta leaf spot of cranberry
Botryosphaeria vaccinii
Phymatotrichum root rot
Phymatotrichopsis omnivora
Pine red rot
Phellinus pini
Pink oyster mushroom
Pleurotus djamor
Pink rot of potato
Phytophthora erythroseptica
Pink sap rot
Fomitopsis cajanderi
Pinwheel mushroom
Marasmius rotula
Pleospora leaf spot
Stemphylium herbarum
Pleurotus cystidiosus
Pleurotus cystidiosus
Pleurotus opuntiae
Pleurotus opuntiae
Pleurotus pulmonarius
Pleurotus pulmonarius
Pleurotus spodoleucus
Pleurotus spodoleucus
Porotenosis
Porotenus biporus
Porotenus
Porotenus
Powdery mildew
Sphaerotheca
Protea leaf spot
Pseudocercospora protearum
Protoblastenia
Protoblastenia
Protoblastenia rupestris
Protoblastenia rupestris
Protogaster
Protogaster
Protogaster root rot
Protogaster rhizophilus
Protogastraceae
Protogastraceae
Protomyces gall disease
Protomyces macrosporus
Protomyces gall of ragweed
Protomyces gravidus
Protomycosis
Protomycetaceae
Protomycosis
Protomyces
Protoparmelia
Protoparmelia
Protoparmelia badia
Protoparmelia badia
Protoscypha
Protoscypha
Protoscypha pulla
Protoscypha pulla
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Rots (fungal)
Virtually all cultivated plants are susceptible to one or more types of rot, including cereals, vegetables, fruits, and ornamental plants. The impact is significant not only during the growth phase, where it causes damping-off or wilting but also post-harvest. Rot-induced losses in storage can reach devastating levels, often ruining the economic value of an entire seasonal yield.
Symptoms typically involve tissue softening, discoloration, foul odors, and the visible presence of mold or mycelial growth. As the infection progresses, roots may decay entirely, causing the plant to wither and eventually collapse. Fruit rots often present as sunken, dark lesions that gradually spread to cover the entire surface, potentially mummifying the affected tissue.
The spread of these diseases is heavily dictated by environmental factors, particularly excessive soil moisture, high humidity, and poor aeration. Warm temperatures often accelerate the growth of fungal pathogens. Furthermore, physical damage from pests, weather events, or poor cultivation practices creates easy entry points for bacteria and fungi to colonize the host plant tissue.
Effective management requires an integrated approach that focuses on prevention. Key strategies include planting resistant varieties, practicing strict crop rotation, and ensuring good field drainage. Chemical control, including seed treatments and targeted fungicide applications, is essential in high-pressure areas. Maintaining proper hygiene in storage facilities is also critical to prevent disease spread after harvest.
- Use of certified disease-free seeds
- Optimizing irrigation systems
- Regular soil health monitoring
- Strategic fungicide application
- Sanitation of storage areas