Newly Posted Articles

SALEP: Analysis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It consists of 48%, mucilage, 1% sugar, 3% starch, 5% nitrogenous material, 2% ash of phosphates and chlorides of potassium and calcium, and a trace of volatile oil. A78-518 Read More

SALEP: The Drug and Its Uses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A list of names of plants from which it is obtained in Europe, Russia and India; it was long valued as a restorative, a tonic and aphrodisiac; has been used as a medicine and a nutritious food; it ... Read More

SALT, TABLE: For Killing Slugs

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Possible harm to plants; no harm, as salt is not volatile and will not affect plants when it is spread on the benches; do not put it in the pots. A68-811 Read More

FUSARIUM WILT: Fusarium Oxysporum

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Rather new and a serious fungus disease of roots of various genera; infects newly cut divisions; may live a year; looks like Pellicularia filamentosa; yellow and shrivelled leaves and pseudobulbs b... Read More

GENETICS: Of Cattleya Flower Color

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago From Mendel and Hurst to Melquist and their theories, with explanations of the various inheritance combinations; refer to F81-147 Read More

PEAT MOSS: Sphagnum Peat, Canadian Peat

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Because it is fine in texture it has to be mixed with perlite or pebbles, or whatever, because by itself it tends to coalesce and retard air circulation, so roots tend to languish, except for cymbi... Read More

PEAT: Difference in Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago German peat is vastly di f ferent fom Canadian, the first being chunky, coarse so that it enhances water retention while still maintaining porosity; most importantly it is virtually unobtainable, s... Read More

GENOTYPE: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The hidden genetic make-up; not the superficial appearance, or how the flower appears, which is called the Phenotype. NH78(1)9 Read More

GLOEOSPORIUM: Anthracnose-infected Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control with spray of Maneb M-45 (now called Mancuzeb). A77-619 Read More

GLOEOSPORIUM: Gloeosporium Affine

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Leaf spot of cattleyas is universal; it forms round, dark, sharply delineated spots usually first at the tip of the leaf; spots coalesce and leaf may turn dark reddish brown; high humidity helps sp... Read More