Category: Culture

TEMPERATURE: To Set Buds

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Paphiopedilums and phalaenopsis initiate buds after two or three weeks of night temperature below 14 dC; hardcane dendrobiums require near 18 dC, and softcane dendrobes need about 13 dC; in cymbidi... Read More

TEMPERATURE: Intermediate

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Definition and discussion, the variables met with in nature and ways of achieving them in the Kew greenhouse; refer to OR86-252; A81-640 Read More

TEMPERATURE: Recommended for Winter in the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cool: December -- Night 50 and Day 55; Intermediate: Dec. -- 58 and day, 58 to 65; Warm: Dec. 68 and Day 68 to 73; with a slight difference in January Cool: Night 50 and Day 55; Intermediate 59 to ... Read More

TEMPERATURE: Warm, Intermediate and Cool

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In greenhouses, plants are divided into Warm (65 dF minimum at night) such as for Phalaenopsis; Intermediate (60 dF) as for cattleyas, and Cool (50 to 55 dF) as for cymbidiums. F81-84 Read More

TRACE ELEMENTS: Added

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Fish fertilizer or seaweed can furnish them and can be applied in addition to a regular fertilizer. OIE86JY-10 Read More

TRACE ELEMENTS: Contained in Fertilizers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Survey of nutrient elements contained In commercial fertilizers such as Peters; Plantfood; with a table for 13 elements in MMOL per litre (actual nutrient content).OA97-201 Read More

TRACE ELEMENTS: Make Your Own Formula

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Stock solution: 1 litre of water; Boric acid (H3BO3) -- 0.143 grams; Potassium Iodide (KI) -- 0.2g; Molybdenum Trioxide (MoO3) -- 0.10g (or, Molybdic Acid -- 0.11g); Copper sulphate (CuSO4.5H2O; --... Read More

TRACE ELEMENTS: Usual Ones

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Recognized are iron, manganese, molybdenum, boron, and copper. OA83-118 Read More

TRACE ELEMENTS: Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Once a month use Sequestrene 330Fe (Iron Chelate Micronutrient) at 1/4 tpg., twice in summer apply at the same strength Peters' S.T.E.M. (Soluble Trace Element Mix) at the same strength; apply Epso... Read More

TRANSPLANTING OF SEEDLINGS: From Agar to Agar

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Do a few flasks at a time; chemicals, equipment, procedures listed in detail; refer to A80-856 Read More