Hop Latent Viroid (HLVd):

 

Hop Latent Viroid is a pathogenic agent that infects various plant species, including cannabis. It is a small, circular RNA molecule that lacks a protein coat and primarily affects the vascular system of plants. HLVd can lead to stunted growth, leaf discoloration, and reduced yield in infected cannabis plants. The viroid is transmitted through contaminated pruning tools, irrigation water, or by mechanical means.

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Cannabis Cryptic Virus (CCV):

 

Cannabis Cryptic Virus is a type of plant virus that infects cannabis plants, causing a range of symptoms such as leaf mosaic, chlorosis, and stunted growth. It belongs to the family Tombusviridae and is transmitted through vegetative propagation or by insect vectors. CCV poses a significant threat to cannabis cultivation as it can lead to reduced yield and quality of harvested buds.

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Lettuce Chlorosis Virus (LCV):

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Lettuce Chlorosis Virus is a plant virus that can infect cannabis plants, causing symptoms such as yellowing of leaves, stunted growth, and reduced vigor. It is transmitted through infected seeds, soil, or by insect vectors such as aphids. LCV can significantly impact cannabis cultivation by reducing yield and quality if left unmanaged.

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Fusarium:

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Fusarium is a genus of fungi that includes several species known to cause diseases in plants, including cannabis. Fusarium infections can lead to symptoms such as wilting, yellowing of leaves, and root rot. Fusarium species can survive in soil and plant debris, making them difficult to eradicate once established. In cannabis cultivation, Fusarium can result in reduced yield and plant health if not properly managed.

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Pythium:

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Pythium is a genus of water molds that are common pathogens of plants, including cannabis. Pythium infections can cause symptoms such as damping-off of seedlings, root rot, and wilting. These pathogens thrive in wet, poorly drained soils, making overwatering and high humidity conditions conducive to Pythium outbreaks. Pythium can have a significant impact on cannabis cultivation, especially in hydroponic systems or areas with poor drainage.

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Powdery Mildew:

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Powdery Mildew is a fungal disease caused by various species of the genus Podosphaera, including Podosphaera macularis and Podosphaera xanthii. It appears as a white, powdery growth on the surfaces of leaves, stems, and buds of infected plants. Powdery Mildew can weaken cannabis plants, reduce photosynthesis, and predispose them to other diseases. It spreads rapidly under warm, humid conditions and can be challenging to control once established.

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Botrytis:

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Botrytis, also known as Gray Mold, is a fungal disease caused by Botrytis cinerea. It affects a wide range of plants, including cannabis, and thrives in cool, humid environments. Botrytis infections lead to symptoms such as grayish-brown lesions, wilting, and decay of flowers and buds. This disease can cause significant losses in cannabis cultivation, especially during flowering when buds are most susceptible to infection.

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Russet Mites:

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Russet Mites (Aculops cannibicola) are microscopic arachnids that feed on cannabis plants, causing damage to leaves, stems, and buds. Infestations result in symptoms such as leaf discoloration, stippling, and distortion, ultimately leading to reduced plant vigor and yield. Russet Mites are challenging to detect due to their small size and secretive behavior, making early detection and management crucial in cannabis cultivation.

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Tobacco Mosaic Virus (TMV):

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Tobacco Mosaic Virus is a plant virus that can infect cannabis plants, causing symptoms such as mosaic patterns, leaf curling, and stunted growth. TMV is highly contagious and can spread rapidly through direct contact or by mechanical means, such as contaminated tools or hands. Infected plants may exhibit reduced vigor and yield, posing a significant threat to cannabis cultivation.