Newly Posted Articles

MITES, SPIDER: Also Called Red Spider Mites, or Two-spotted Mites

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago They are troublesome on thin-leaved genera such as cymbidiums and cycnoches; they cause fine stippling, white scars, or silvering, of undersides of leaves; on buds and flowers they puncture along t... Read More

PHALAENOPSIS: Leaves as Indicators

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Better flower quality comes from plants with leaves of a rounder look. ODA78(l)-24 Read More

MITES: Biological Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Most cymbidium nurseries use the predator mite Typhlodromus occidentalis, or Phytoseinlus persimilis for control and reports are mainly in favor. Au88-13 Read More

RICE HULLS: Properties as Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Approximately the same as for peanut shells, which see. Read More

PHALAENOPSIS: Propagation in Vivo

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago The application of one, out of the several now available, commercial hormone/lanolin paste to the nodal inflorescence buds can cause shoot development of plantlets; the most reliable procedure; for... Read More

PHYSAN 20: Algicide, Bactericide, Deodorizer, Fungicide and Viruscide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago It is useful in wet and humid places; can sterilize some cutting instruments if immersed for about 12 minutes. A73-811 Read More

PHOTOSYNTHESIS: Rates of Activity

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago It starts functioning at 6 dF; at 62 dF it achieves 60% of full activity; at 70 dF it is 83%, at SO dF it is 100%, at 90 Deg. it is 80%, at lOOd it is 40% and at llOd it does not function. AU87(2)-17 Read More

CENTIPEDES: To Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Diazinon WP is recommended as a drench with 2 ttpg. of the 507oWP, or 2 teaspoons of the liquid 25%. A76-14 Read More

LIGHTS, GROWING UNDER: Transfer of Plants to Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Reduce the light by shading the greenhouse to provide from 2,000 to 2,500fc. of light at noon; until plants are hardened. A75-124 Read More

CHARCOAL: For Vandas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago If entire mix is charcoal, supply all the trace elements; be sure to leach periodically. A78-1124 Read More