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phantomofthenight starts with ... Over the weekend I noticed my dwarf Hashimoto avocado's leaves are turning brown and are starting to drop... I'm not sure if it is because of frost damage, fungus or too much fertiliser? I have since dug it up and replaced the surrounding soil with a good quality compost and a inch of mulch as I was worried about salinity. The plant is 2 years old and hasn't grown much despite being regularly fertilised with horse manure, chicken manure and citrus fertiliser. The tree has morning sun and afternoon shade. Is there anything I can do to help the recent transplanting and brown leaf problem? 1.5m away from the damaged Hashimoto is my dwarf Hass avocado tree (also pictured). The tree has some insect damage but is in much better condition than the other tree. Anything advice on insect prevention would be much appreciated too!
| About the Author phantomofthenight Auckland 1st August 2014 9:36am #UserID: 10278 Posts: 1 View All phantomofthenight's Edible Fruit Trees |
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Original Post was last edited: 1st August 2014 9:35am | |||||||
A,C says... I would get the timber mulch well away from all your fruit trees and any vegetable crops.Timber mulch will cause nitrogen draw down (nitrogen lockup)which will deprive your plants of nitrogen.The Pine timber in the mulch contains chemicals to fight off competitor plants.I would only use straw,hay,lucerne ,sugar cane mulch or lawn clippings mixed with dried leaves. | About the Author AC1 Cowandilla,South Australia 1st August 2014 6:51pm #UserID: 8055 Posts: 103 View All AC1's Edible Fruit Trees |
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Original Post was last edited: 1st August 2014 6:52pm | |||||||
sternus1 says... Nitrogen lockup can be easily overcome with soluble NPK, or liquid based feeds such as powerfeed. It's that simple. Lucerne/ fine mulches are crap for fruit trees, because they form water repelling mats over time. Good for vegetable beds, bad for fruit trees. The benefits of hardwood chip mulches totally outweigh the cons. | About the Author sternus1 Australia 1st August 2014 7:19pm #UserID: 8314 Posts: 1318 View All sternus1's Edible Fruit Trees |
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Markmelb says... Couple questions - whats the rootstock used on Hashimoto? what your drainage like ? Whats the soils ph? Raised beds work the best if clay is underneath so is there clay in your garden and how deep? What temps were you getting at night lately and how low and how long - Post your answers and lets see? Avos love gypsum too - sweetens the soil and acts like a fertiliser | About the Author Markmelb , 1st August 2014 8:33pm #UserID: 7785 Posts: 1192 View All Markmelb's Edible Fruit Trees |
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Original Post was last edited: 1st August 2014 8:32pm | |||||||
