Category: Ailments

MITES, SPIDER: Systemic Miticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago None is recommended for inside the home; use Kelthane at 1 to 1.5 ttpg. of the wettable powder form, or 1 to 1.5 tpg. of the liquid concentrate carefully; does not harm pets. A73-503 Read More

MITES, TWO-SPOTTED: Biological Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Predatory mites are available to combat them, in Australia two kinds are used called Typhlordromus occidentalis and Phytosemilus persimilis and are found in most cymbidium ranges. Au87(1)-13 Read More

BACTERIAL BULB ROT: Erwinia Carotovora

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Found on cymbidiums; spots become soft, oozy, foul-smelling; cut off and destroy; spray other bulbs with Agri-Strep or similar with care. S205 Read More

BACTERIAL BULB ROT: Syringing Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It's the best way to spread disease. A78-998 see also Brown rot; Brown spot; Miltonia scorch; Necrotic spots; Phalaenopsis (clear translucent spots); Soft rot Read More

MILLIPEDES: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They feed on decaying organic matter, sometimes they feed on roots, especially of seedlings; their presence causes the media to break down early; use a pot drench of Diazinon; it has no phototoxici... Read More

BACTERIAL DISEASES: Unusual Causes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago May include such factors as excremental deposits from birds (outeide), insects, rodents, lizards, etc., on leaves or in pots; for general sanitation use Physan occasionally. A80-1368; OBIV-267 Read More

MITES, TWO-SPOTTED: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are pale green or yellow with a dark spot on each side on the back; webs appear when the mites are numerous; control them with registered miticides for your area such as Azodrin, Kelthane, Met... Read More

MITES, TWO-SPOTTED: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago More harm is likely to be done to plants by the use of liquid formulations than by the wettable powder types. NZ86-103 Read More

LEAVES: Old and Browning

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused by old age or root injury. A78-226 Read More

PESTICIDES: Shelf Life

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They should be purchased for short-term use; mark the date of purchase on the container; most keep their effectiveness for two or more years if stpred properly; signs of ineffectiveness in dusts an... Read More