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cavamarie
12 years ago
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WANTED: 'Bergamont' Citrus, Citrus bergamia
Comments (0)Installing a 'Tea Garden' and looking for the citrus tree used to make 'Bergamont'-flavoured Earl Grey tea. I believe the tree to be Citrus bergamia but it may be a cultivar or some sort. For exchange I have a many plants/seeds that may be of interest, as I am a permaculture/bush food enthusiast. I'm sure we can find something to trade! Thanks, Elysha terraformagardens@gmail.com...See MoreWhat varieties of citrus aremore resistant to citrus greening disease?
Comments (27)Imelda, commercial orchardists in Florida (and in all citrus producing states), don't just rely on Imidacloprid. They use a series of various foliar and systemic insecticides to try to manage their orchards. The goal for commercial growers in Florida is to try to keep the trees alive a year or two longer than the average 5 year death rate. Right now, they are rotationally re-planting their orchards, and relying on several pesticides, as well as other measures (such as the one John mentioned - planting less desirable trees around the perimeter of their orchards) to try to stretch out their replacement rates due to death from HLB. The goal for our commercial growers here in California is to kill the psyllid prior to being able to feed on the tree, or incapacitate the psyllid to such a degree, that even if it does begin to feed, there isn't enough time for a potentially infected psyllid (I use the adverb, "potentially" to indicate that we do not have any infected psyllids discovered, yet in California) to inject their infected saliva back into the tree, and thus infect the tree.And, as Steve has pointed out, most certainly would not make it to tree #2, to spread the disease. Also, imidacloprid is a neonicotinoid, and one of the useful features of neonicotinoids is that they are anti-feedants, so psyllids don’t want to feed on trees treated with them. It causes the tree to naturally repel psyllids. Commercial growers have been recommended to apply imidacloprid systemically every 6 weeks, and then use various foliar pesticide applications in between that use different modes of action. Suzi, that is the philosophy behind integrated pest management - use the least harmful management option, first. Only resorting to more intense or toxic management options if the less harmful options are insufficient. You're doing the responsible thing. I was using Spinosad only to treat CLM, but now, I am compelled to also use Imidacloprid as well, since I have over 100 citrus trees on my property, and am adjacent to 157 acres of completely un-managed and abandoned citrus trees that are a giant magnet for all manner of pests. I don't want to use systemic pesticides, as I don't relish eating fruit with pesticide residuals, which is why I grow my own fruit. But, we are in extreme times, and as they say, "extreme times require extreme measures". I am very careful to apply only the recommended amounts and frequencies. I spray my Spinosad in the evening, after the bees have gone back to the hives, and try to spray only after blossom time is over (not always possible with my lemons, as they bloom multiple times). Patty S....See MoreHave: hardy citrus. Can I graft non-hardy citrus to it?
Comments (3)You likely have Poncirus trifoliata, trifoliate orange... very cold-hardy - and used extensively as a dwarfing rootstock for edible citrus... but unless you're willing to build a greenhouse, or bring your grafted satsuma inside for the winter, I can assure you that a Philadelphia winter will nuke it back to the trifoliate understock....See MoreBT or Neem Oil for Citrus? Best ORGANIC/OMRI Spray for Citrus?
Comments (10)Neem or Hort oil does not help much with CLM. Spinosad does work very well against CLM and is organic. Bonide's "Captain Jack's Dead Bug Brew" is Spinosad and probably one of the most common brand you'll find. It works well on most any chewing insect. Doesn't work as well on sucking insects like aphid and scale, but is the best for Citrus Leaf Miner. It is a trans-laminate, which means it seeps down into the leaf between the cell walls so when the miner chews through the cell wall it ingests the Spinosad and so is dispatched. It's the only organic control that will get the CLM when it is already inside the leaf. Neem oil and Hort oil works very well against Aphid and Scale and other sucking insects, and works pretty well against Spider Mites....See Moregatormomx2
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Carol love_the_yard (Zone 9A Jacksonville, FL)