Category: Ailments

CYGON 2E: Damage to Plants Claimed

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It consistently caused injury to Dendrobium moschatum, Den. pulchellum and a few others. A77-905 Read More

SPIDER MITES, RED: Biological Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A predator of Tetranychus uriticae is another mite named Phytoseinlus persimilis, which is slightly larger, orange in colour, and which feeds only on Red spider and is very effective; refer to OR81... Read More

VANDAS: Leaves Curl, Turn Yellow and Fall

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago This shows up in the fall, with cool weather; it is caused by a poor root system, or nutrient deficiency; fertilize regularly during the summer. F76-33 Read More

VIRUS IN PLANTS NAMED: In Slc. Anzac

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago While all plants may be suspect, some may not be; many plants with virus look quite healthy; sterililize everything that contacts a suspected plant; wash the hands that touch any cut surfaces or ro... Read More

VIRUS IN PLANTS NAMED: Not Affecting Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago All plants of the original Oncidium Goldiana are infected with virus; this doesn't affect the quality of the flowers or the productivity. OR80-45 Read More

VIRUS TRANSMISSION: By Carriers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Sucking insects such as aphids and red spider and snails and slugs should be destroyed since they are carriers of virus. OD67-50; Not true. They do not spread virus in orchids. OWD Read More

WETTING AGENTS: Recommended Brands

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Du Pont Wetter-Sticker B-1956 and Tween-20; mild dish-washing detergents such as Palmolive Green, and Joy, and others like them. A63-49; A76-611 Read More

VAPONA STRIPS: As An Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Their effectiveness for pest control indoors is vouched for. OIE85My-14; caused skin rash. OIE88Apr-9 Read More

VIRUS CONTROL BY CHEMICALS: Control by Washing Hands

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The use of handsoap for washing hands after handling plants, especially virused plants, is strongly recommended. C73-130 Read More

VIRUS IN PLANTS NAMED: In Dendrobium Ovules

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cymbidium Mosaic virus is not transmitted in ovule culture, A79-1247 Read More