The Thai Queen guava is a dwarf woody tree reaching a maximum height of 3 meters with a 2-meter canopy, making it ideally suited for tropical and subtropical climates.
Scientific Name: Psidium guajava
Local Name: Thai Queen Guava (Ổi nữ hoàng)
Propagation Method: Produced via branch grafting using scion stock sourced directly from certified mother tree orchards under strict protocols to ensure high disease resistance.
Nursery Bag Size: 12 x 18 cm.
Sapling Specifications: Trunk diameter $\ge 1\text{ cm}$; height $\ge 55\text{ cm}$.
Planting Spacing: 2 x 3 meters per tree (approximately 330 trees per hectare).
Uniform Survival Rate: $\ge 95\%$.
Fruit Weight: 350 to 400 grams per fruit.
Fruit Characteristics: Few seeds, with fragrant, sweet, and crisp flesh.
Other Traits: Easily produces flowers and sets fruit, yielding productive harvests just 5 months after planting.
The Thai Queen guava possesses exceptional vigor and resilience. It tolerates drought and waterlogging well, thrives in full sun, maintains evergreen foliage year-round, and exhibits strong wind resistance.
This variety demonstrates excellent resistance to pests and diseases, particularly citrus greening (huanglongbing). However, maximizing yields relies on growers mastering proper care, maintenance, and integrated pest management techniques.