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Richard · 01-30-2015, 07:19 PM

A little clarification about mycorrhizae:

It is not a panacea for plants.
Cultivation practices that lead to over-development of mycorrhizae in the soil can be detrimental to plants, leading to root asphyxiation with chlorosis-like symptoms, crown rot, and the like. This is especially true when well-meaning gardeners follow the myth of not adding sulfur or phosphate to their soil to avoid killing mycorrhizae. A balance is needed.
Not all species are compatible with all plants. It is an over-generalization to say that mycorrhizae is beneficial to all plants.
Some plants such as certain species of Vacciniums and Rhododendrons are only compatible with specific mycorrhizae from found in their native environment. It is rarely sold in the U.S. due to the very short shelf life. Other types of mycorrhizae will not hurt them but will not offer any benefit either.
Some crops -- including the broad genus Brassica -- do not interact with mycorrhizae to my knowledge. I believe there is no benefit to using mycorrhizae with these crops.
As I mentioned earlier about Bananas, they will interact with the common strains of mycorrhizae in products sold in the U.S.

01-30-2015, 07:19 PM	#13 (permalink)
Richard un-Retired Richard's Photo Gallery Location: Vista, CA Find me on the map! Zone: USDA 10b Name: Richard Join Date: Jan 2008 Posts: 9,674 BananaBucks : 972,967 Feedback: 9 / 100% Said "Thanks" 3,636 Times Was Thanked 12,537 Times in 4,719 Posts Said "Welcome to Bananas" 1,685 Times	Re: Rooting compund on bananas? A little clarification about mycorrhizae: It is not a panacea for plants. Cultivation practices that lead to over-development of mycorrhizae in the soil can be detrimental to plants, leading to root asphyxiation with chlorosis-like symptoms, crown rot, and the like. This is especially true when well-meaning gardeners follow the myth of not adding sulfur or phosphate to their soil to avoid killing mycorrhizae. A balance is needed. Not all species are compatible with all plants. It is an over-generalization to say that mycorrhizae is beneficial to all plants. Some plants such as certain species of Vacciniums and Rhododendrons are only compatible with specific mycorrhizae from found in their native environment. It is rarely sold in the U.S. due to the very short shelf life. Other types of mycorrhizae will not hurt them but will not offer any benefit either. Some crops -- including the broad genus Brassica -- do not interact with mycorrhizae to my knowledge. I believe there is no benefit to using mycorrhizae with these crops. As I mentioned earlier about Bananas, they will interact with the common strains of mycorrhizae in products sold in the U.S. __________________ Back in business at plantsthatproduce.com