iron deficiency and dry mouth
magaritha123
13 years ago
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woodsy_1
13 years agoRelated Discussions
Mineral / 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 MoreIron deficiency
Comments (21)Hi Matt) The scientist that specifically develop these fertilizes for certain plant material. Orher than Dyno Gro and certain Miracle Grow and other fertilizers with all the micro and macro nutrients you need and in balanced proportions , they are also developed with certain ratios of nitrogen, potassium , and phosphorus. Then too there are many that have been growing their trees for years in containers here and they will steer you in the way in which to need to be even more successful through their experience. Most of us will agree that trying it the way you've been doing will not provide the best care for your trees. Goid lucj in your endevors and hopefully you will get them lush and green and in the best vital health you desire Mike )...See MoreGardenia leaves turning yellow. Iron deficiency or lack of water?
Comments (6)Thank you Ken & Embothrium! I took a closer look at the root today and here is what I found out. The roots on the south side of the plant were dry. The plant is on the slope facing south. The rain water runs from north (uphill) to south (downhill). Because of this, the mulches on the south side of the gardenia were carried away by water and the mulch layer was very thin. I checked the roots on each side of the plant and the roots on north, east and west side were bright white and full of energy. But the roots on the south side were dry, not dark brown yet, just slightly brown. It rained heavily here yesterday, but the soil on the south side of the plant was already a little bit dry. I touched the ground and the soil temperature was high. So I think found the root cause - root area got exposed to extreme heat. I went ahead and mulched the south side again. And put some stones to hold the mulches in place. I will give some water to it every two days (really don't want to over water it). Will monitor it for 2 weeks to see if things can turn around....See Moremariend
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