Poinciana
[Scientific name] Delonix regia [alias] Phoenix flower, Phoenix tree, safflower [Common genus] Hematoxylin Native tropical Africa Madagascar, China Guangdong, Guangxi, Yunnan and Hainan provinces (regions) have cultivated. Phoenix wood is a tropical tree species and should be fertile, well-drained soil, and resistant to barrenness. Strong positive species. Not resistant to cold, can only grow in areas where the frost period does not exceed 5 - 10 days, high temperature and humidity. Usually leaves in early spring, about sprouting in late spring and early summer. About 20m high, the crown is flat, with many branches and flowers. Two pinnate compound leaves, alternate, pinnae opposite, each with 20--40 pairs of leaflets. Racemes, ca. 20--40 cm long, flowers large, bright red or orange-red, flower diameter 15 cm, petal length 5-7 cm, petal white with red margin, red spots on petals, flowering 5- -June. The capsule is flat and drooping. Seeding propagation, sowing in late March. Phoenix wood grows strong and can be extensively managed. The disease is less; the main insect pest is phoenicopterum zeaea, which can be sprayed with 50% acaricidal agent 1000 times solution or 50% cervicin WP 500-800 times solution. Phoenix wood canopy is broad and flat. Its branches and leaves are thick and dense. The branches and leaves spread like a phoenix tail feather, hence the name Phoenix Wood. Early summer blossoms like a flame. Red and green leaves in flowering are contrasting and interesting. It can be used as a street tree and a tree shade. Planted on the water's edge, the branches and leaves explore the water's edge, contrasting with the reflections, making them more aware of Anana. Phoenix wood is Madagascar's national flower.
Cypermethrin
It is a synthetic pyrethroid used as an insecticide in large-scale commercial agricultural applications as
well as in consumer products for domestic purposes. It behaves as a fast-acting neurotoxin in insects. It is easily degraded on soil and plants but can be
effective for weeks when applied to indoor inert surfaces. Exposure to
sunlight, water and oxygen will accelerate its decomposition. Cypermethrin is
highly toxic to fish, bees and aquatic insects, according to the National
Pesticides Telecommunications Network (NPTN). It is found in many household ant and cockroach killers,
including Raid and ant chalk.
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Agricultural