Newly Posted Articles

LIGHTS, GROWING UNDER: Natural Seasons

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Plants have the same seasonal requirements under lights; lights can be timed with timers to provide the approved number of light hours daily; by shutting them off the "night" temperature will be lo... Read More

LIGHTS, GROWING UNDER: Questions Up to Date

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Half a dozen typical queries sent to the answer man by neophytes or those having difficulty; check them at A82-392 Read More

LEAF BLIGHT: Also Known as Leaf Die-back, Tip Burn

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused by fungus invasion; spreads gradually through leaf; cut it out before treating; infected areas show watery before drying; control with Benlate, or Anti-Damp, or Tersan. RMH Read More

MALATHION: Combines with Fungicides

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Both Benlate and Manzate can be combined with it. A73-991 Read More

CYMBIDIUMS: Spraying in the Evening

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If plants are outdoors in the summer this is a good cultural practice on warm and hot days. OR85-29 Read More

CYMBIDIUMS: Temperature Change Required for Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 25 deg.F. between night and day; moving them outside in summer may result in lack of flowering; cool nights and hot sunny greenhouse days may bring on flowering. OD76-2 Read More

CROWDING PLANTS: Do Not Do it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Air circulation is very important in the growth process. OD72-227 Read More

ANTHRACNOSE, AMERICAN: Glomerella Cincta

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Most common on leaves; weakened plants are most susceptible; brown discoloration round in shape, possibly sunken; cut off parts, spray with benomyl, 1 ttpg; repeat in a week; or, spray with zineb, ... Read More

LIGHTS, GROWING UNDER: What Temperature, Humidity, Light Hours and Distance Between Lights and Leaves Required

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Night temperature should be from 60 deg.F. to about 64; day should be 70 to 80 deg.F.; high humidity in the 60 to 70% range recommended; leave lights on for seedlings for 16 to 20 hours. A70-235 Read More

BRACTS ON SPIKES: But Flower Buds Don't Show There

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Both oncidiums and phalaenopsis require a cool treatment of several weeks to promote flowering. A80-960 Read More