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Annona – Wikipedia

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**Group 1: Annona Plant Description**
– Annona species are taprooted, evergreen or semideciduous, tropical trees or shrubs.
– They typically grow in regions like Cuba, Jamaica, Central America, India, the Philippines, and southern Italy.
– The woody trunks have thin bark with scaly depressions, leading to slender shoots with raised pores.
Leaf blades can be leathery or soft, bald or hairy.
– Flowers of Annona plants have numerous stamens, fleshy petals, and produce one fleshy fruit per flower.

**Group 2: Annonacin Toxicology**
– Annonacin, a neurotoxin found in Annona muricata seeds, causes a Parkinson-like neurodegenerative disease.
– The disorder is a tauopathy associated with tau protein accumulation in the brain.
– Consumption of plants containing annonacin leads to the disorder.
– Experimental results confirm annonacin’s role in tau protein accumulation.

**Group 3: Annona Species and Uses**
– There are 169 accepted Annona species as of April 2021.
– Annona species are generally disease-free but susceptible to fungi, wilt, and ant-related issues.
– Various insect species and diseases like fruit rot can impact Annona plants.
– Annona plants are grown for edible and nutritious fruits and used in traditional medicine.

**Group 4: Annona Plant Research**
– Annona is the second largest genus in the Annonaceae family.
– Annonaceous species contain acetogenins with diverse biological activities.
– The first complete genome of Annona muricata was published in 2021.
– Research on plant systematics, evolution, and genetics is ongoing in the field of Annona plants.

**Group 5: Horticultural Practices and Micropropagation**
– Micropropagation techniques are applied to study plant stability and genetic variability.
– Horticultural practices like micropropagation are essential for plant conservation.
– Micropropagation allows for rapid multiplication of plant species and aids in understanding plant populations.
– Horticultural research contributes to improving crop yields, plant health, and understanding plant growth, development, and reproduction.

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