Newly Posted Articles

PLANTS: Rootless

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago To hold them steady in the pot, take a wine cork and attach a wire to it and to the middle of the plant rhizome so that it hangs down like a boat anchor in the middle of the potting mix when the po... Read More

PH (GENERAL): Of Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Experiments show that if a recommended medium is chosen the initial pH should cause no concern. Hort. revs. 1983-195 Read More

BENZYLADENINE: For Lateral Bud Development of Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A single application is adequate to stimulate axillary buds from near the stem bases of flowered divisions. A77-415+; A77-934 Read More

BEST PLANTS: Five More Favourites for a Desert Island

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Nanodes medusae, Den. fimbriaturn var. occulatum, Coelogyne ochracea, Cym. Bulbarrow 'Will Stutley", Cycnoches chlorochilon. OR86-263 Read More

PH (GENERAL): Of Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A pH8 to 9 of the 30-10-10 fertilizer is natural and should not be adjusted because the alkaline state changes to the acidic side when used by the plant. A81-27 Read More

PESTICIDES: Excessive Uses

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A preventive spraying program leads to phytotoxicity in the plants. A76-698 Read More

APHIDS: Description and Activity

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago No controls given, refer to AH86-56 Read More

BUDS: Black Inside Cattleya Sheaths

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Rather common condition; to avoid it, when the buds appear clearly in shadow, cut off 1/2 inch from top of sheath; probably caused by sudden temperature change. A81-1436 Read More

BUDS: Initiation Within Cattleya Sheaths

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In response to a signal, probably of chemical origin, the base of sheath develops rudimentary flower buds; the chemical signal is a hormone triggered by day length shorter than a critical length de... Read More

PLANTS: New to the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Isolation for a time for disease control is recommended before introducing new plants into the collection; they should be isolated for at least a week; many of them can be diseased; appropriate spr... Read More