iron deficiency and dry mouth
magaritha123
13 years ago
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woodsy_1
13 years agoRelated Discussions
Will Iron Sulfate help Sulfur deficiency?
Comments (3)Is the yellowing prevalent in older foliage or newly emerging leaves? Did you check for mites/scale ...? What are you using for fertilizer? If you're using a soluble fertilizer at regular intervals, it's very unlikely there is a physical deficiency of Fe; more likely something pH induced or some other issue. S deficiencies in containerized plants are rare, BTW. If the plant has been in the same soil for more than a year, and your fertilizer doesn't contain Mg, it's a very real possibility that you're seeing a Mg deficiency. If you suspect a Mg deficiency, try mixing 1/2 tsp of MgSO4 (Epsom salts) in a quart of water and spritzing some of the leaves. If they green up, it was probably a Mg deficiency, but the nice thing about the MgSO4 is that it will also correct any S deficiencies. There ARE other cultural conditions that can cause deficiencies, but usually, when you start adding a little of this & that to try to correct a singular nutrient issue w/o strong indication of what's wrong, you end up creating problems rather than solving them. It's better to start from the bottom up, with a close look at your soil, then your choice of fertilizer, because in the end, your soil choice is the most probable source of trouble, if you can eliminate light as the issue. Al Here is a link that might be useful: Also, clicking me might be helpful...See MorePossible Iron deficiency, now what?
Comments (1)My bet is you're treating them too well ;-)! It looks like you've doesed them pretty well for the time being. Now let nature takes it's course. Only water when dry and see if the problems clear up. The manure (if aged and not fresh) should be plenty as far as nutrients. If the problems persist, maybe a small does of Epson salt. The Mg will green them up. Jamie...See MoreMineral / nutrient deficiency & secret to health & antifungal trace e
Comments (50)Moved info. from another thread as to pH preference of different roses: Take YOUNG own-roots in a nursery setting, watered with alkaline tap water (pH over 7.5). Young own-roots are wimpy, haven't secret acid yet, thus need an acidic medium like pine fines (pH 4) or peat (pH 4) & perlite to make minerals soluble in water to feed their tiny roots. Folks who grow roses in cold zone get tons of acidic rain plus snow, and need to lime roses per many inches of rain, if that rose is grafted on aggressive root-stock that secret acid. Dr. Huey-rootstock can go through rock-hard clay better than my shovel through its ability to secret acid. The pH requirement of roses change .. when they are young own-roots are like alfalfa sprouts, they can't secret acid, thus need an acidic medium. But as they get older and roots become more solid and woody, such as 3rd year on, that solid wood secrets plenty of acid. I bought an organic, very acidic SOLUBLE fertilizer, got some on my skin and it burned. I used the dose as recommended, it has acidic soy bean, kelp, and sulfate of potash .. my galllon-size own root roses love it !! Leaves became dark-green, but that acidic solution fried the leaves of 4th-year own-root Sweet Promise (with shiny & glossy and dark-green foliage). Roses grafted on multiflora rootstock, or have multiflora parentage dislike alkaline soil (become pale), thus these roses need an acidic soil to have darker leaves. In contrast, roses grafted on Dr. Huey, or have French Meilland or China parentage are healthier with higher pH. Old Garden roses were bred in the Old days, without high-pH tap water & only acidic rain at pH 5.6, thus prefer acidic soil. Modern roses are bred with alkaline-tap-water, and the most vigorous and dark-green tend to prefer such medium that they were bred, with pH over 7.5 like alkaline tap water. Intrigue hybrid tea is an example, 100% healthy in a pot, grafted on Dr. Huey, tons of buds, with alkaline tap-water pH near 9 (baking soda pH is 8.3). That was for $5 at Walmart. I didn't buy it, since I already saw Intrigue in spring time at the rose park with tons of acidic rain: it was a blackspot fest, and stingy too. But in hot & dry summer, Intrigue bloomed great with alkaline tap water at the rose park. Intrigue has dark-green leaves. Same with Perfume Delight, BS-fest with acidic rain, also dark-green leaves. To have dark-green leaves, roots must secret enough acid to get iron and manganese for dark-color .. such dark-green leaves roses secret more acid to utilize the minerals to make their leaves deep green. As the pH drops, less calcium and potassium are available, thus leaves are more susceptible to fungal diseases unless alkaline minerals is given....See MoreIs this mango leaf iron deficiency or too wet
Comments (4)is it just newer, or just older leaves ? also, is it colder than usual ? the temp can effect PH, which can effect uptake of some minerals... My guava leaves turn red and purple when its cold and the soil is wet. it changes the PH limiting a mineral ( i think phosphorus ?) i give mine iron chelate and epsom salt 3-4 times a year. (foliar spray and drench) either way, i would let it dry out a bit first, and keep an eye on the new growth leaf color. =============================== Signs of Nutrient Deficiency Calcium: New leaves misshapen or stunted. Existing leaves remain green Nitrogen: Upper leaves light green, lower leaves yellow. Bottom (older leaves) yellow and shrivelled. Carbon Dioxide: White deposit. Stunted growth. Plants die back Phospate: Leaves darker than normal. Loss of leaves. Iron: Young leaves are yellow/white with green veins. Mature leaves are normal. Potassium: Yellowing at tips and edges, especially in young leaves. Dead or yellow patches or spots develop on leaves. Manganese: Yellow spots and/or elongated holes between veins. Magnesium: Lower leaves turn yellow from tip inward. Veins remain green....See Moremariend
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