Cacti & Succulents
Leigh SumnerKirk
Latest Articles
Although researchers suspect some Pythium may actually be beneficial, an infestation of this soil-borne fungus in a collection can cause Havoc!
Winding up this topic, charcoal spot on Opuntia is briefly discussed, and Erwinia bacterium are also examined.
In Part IV we look at Phymatotrichum omnivorum (cotton root rot) and Phytophthora spp. (cinnamon fungus).
Continuing with Fungi, we examine Fusarium oxysporum, one of the most frequently encountered Fungi. Then, a brief look at Hendersonia opuntiae, Macrophomina phaseolina (charcoal rot), and Phyllosticta concave/Mycosphaerella spp. (dry rot).
In Part II, we look at the Fungi's Botrytis cinerea(botrytis blight or gray mould), Colletotrichum spp., Dichotomophthora indica, and Drechlslera cactivora.
Fungi are responsible for many of the problems C&S growers encounter. In this series of articles, we will explore the subject in depth, beginning with some general background information.
Afflictions of Succulents, Part 1a (Nematodes)
Nematodes, or root knot, are often over-looked as a cause of stunted growth and wilting in plants. Knowing more about them may be the key to recognising their presence.
Afflictions of Succulents, Part I (Pests)
There is an impressive variety of pests anxiously awaiting the opportunity to pillage your succulents. Knowing how to defend your plants against these enemies is key to maintaining a healthy collection. Learn to Recognise Your Enemy, and mount an effective Counter-Attack.
General Care of Cacti & Succulents
Cacti & Succulents can require very different care than other plants. Many, in fact, fall victim to unintended improper care. While providing specific information for all plants is impossible, there are a few simple guidelines for succulent cultivation.
The title "cactus" is often unwittingly bestowed upon plants that aren't Cacti at all. So why is it that all Cacti are succulents, but not all succulents are Cacti? It isn't as complicated as it sounds!