Cactus e Dintorni

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1. Cactaceous genera
... to  expand their knowledge of the basic needs of each genus as to soil, exposure, temperature, water as well as get information about parasite control, propagation techniques, specific requirements ...
2. Sowing
... best to maintain a controlled environment with nearly 100%1 of relative humidity, a maximum and minimum temperature of about 25°C (77°F) and 18°-20°C (64-68°F) respectively and 13 hours ...
3. The greenhouse
... the lateral panels and lifting the roof by 50 to 70 centimetres. During the winter we can activate the obscillating or ceiling fan and the extractor fan, both of them controlled by a timer which, ...
4. The diseases
... usually allows the host to survive for some time. Certain species of Fusarium may infect the aerial parts instead and then work their way downwards to the rest of the plant. The control of Fusariosis ...
5. Epiphytic cacti
... (small round tannish insects) and mealybug (whitish insects that leave a cottony residue). both of which can be controlled by spraying with one of the insecticidal soaps that are on the market. You can ...
6. copiapoa
(Phocagallery / copiapoa)
Habitat: Chilean deserts. Description: a genus of globular plants, some of which may develop a cylindrical stem and form clusters with age. The yellow or reddish yellow bell-shaped flower arise from ...
7. crassulaceae
(Phocagallery / crassulaceae)
Subfamilies: CRASSULOIDEAE, SEDOIDEAE, COTYLEDONOIDEAE, KALANCHOIDEAE, ECHEVERIOIDEAE, SEMPERVIVOIDEAE. According to some botanists only two of them are to be considered subfamilies:the Crassuloideae and ...
8. discocactus
(Phocagallery / discocactus)
... especially; keep humidity levels in check. Water: average but carefully controlled. Cultivation tips: not easy in cultivation, it’s prone to cryptogamic diseases. If overwintered in a greenhouse ...
9. echinomastus
(Phocagallery / echinomastus)
... species will do best with the addition of chalk. Location: grow in full sun. Temperature: minimum temperature of 7°C (45°F). Water: average but controlled, with occasional spraying during ...
10. eulychnia
(Phocagallery / eulychnia)
... full sun. Temperature: minimum temperature of 6-8°C (43-46°F). Water: average but controlled. Spray water during the growing season. Cultivation tips: this genus is not popular among growers; ...
11. mammillaria
(Phocagallery / mammillaria)
Habitat: Mexico, south-west of the United States, South America, West Indies. Description: a genus of small, globular or cylindrical plants, from whose axils tiny, crown-shaped flowers arise; they may ...
12. melocactus
(Phocagallery / melocactus)
... but controlled; excess water may cause the plant cephalium to divide into two (dichotomy). Cultivation tips: they’re not so easy; young plants should be feed with fertilizer only once in spring, ...
13. myrtillocactus
(Phocagallery / myrtillocactus)
Habitat: high plateau region of central Mexico, Guatemala. Description: a group of branching, tree-like cacti with more or less prominent ribs that are difficult to get to flower in cultivation. The ...
14. pachycereus
(Phocagallery / pachycereus)
Habitat: Mexico, desert of Baja California, United States. Description: a group of columnar cacti with slender stems branching from the base that may take a shrub-like form, sometimes of gigantic proportions. ...
15. pelecyphora
(Phocagallery / pelecyphora)
Habitat: Mexico. Description: a globular genus, growing in deserts, which has woolly areoles on the tubercles, pectinate spines that do not harm if touched and a large, fleshy root. In the spring, pink ...
16. polaskia
(Phocagallery / polaskia)
... require full sun. Temperature: keep the minimum temperature around 8°C (46°F). Water: average but controlled. Cultivation tips: easy; waterlogging may cause root rot. They make a good rootstock. ...
17. stenocactus
(Phocagallery / stenocactus)
...  Water: average but controlled. Cultivation tips: reasonably easy. Plants cross-pollinate by themselves quite often. Fertilize once a month and raise from seed. Main species of Stenocactus: Stenocactus ...
18. stenocereus
(Phocagallery / stenocereus)
Habitat: Venezuela, Cuba, Jamaica, Mexico, Arizona. Description: a genus of very diverse cacti, usually large-sized and branched, showing an upright, columnar habit. Nocturnal flowers appear during the ...
19. tephrocactus
(Phocagallery / tephrocactus)
... a minimum temperature of 6°C (43°F). Water: average but controlled. Cultivation tips: they are not easy due to the fact that they are highly adapted to mountain climate. Many of them can be ...
20. turbinicarpus
(Phocagallery / turbinicarpus)
Habitat: Mexico. Description: this dwarf, globular genus is found between 1500 and 1800 metres of altitude (4900-5900 ft) growing in stony or sandy areas with a slightly alkaline, moderately humus-rich ...
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