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The Lemon Tree Borer, Oemona hirta, is a common agricultural pest that damages grape vines in vineyards and citrus trees. Thus it serves a vital horticultural purpose and is responsible for keeping the Lemon Tree Borer populations contained. In Auckland alone nearly 10–20% of the Lemon Tree Borer's have been found to host the wasp's larvae. [11]
Alternaria leaf spot of rough lemon Alternaria citri: Alternaria stem-end rot Alternaria citri: Anthracnose = wither-tip Glomerella cingulata Colletotrichum gloeosporioides [anamorph] Areolate leaf spot Thanatephorus cucumeris = Pellicularia filamentosa Rhizoctonia solani [anamorph] Black mold rot Aspergillus niger: Black root rot Thielaviopsis ...
Oemona hirta, the lemon tree borer, also known as the whistling beetle or the singing beetle, is a longhorn beetle endemic to New Zealand. [1] Its larvae are generalist feeders, boring into the wood of a wide variety of trees, native and introduced.
Lemon thyme: repels mosquitoes [4] Lettuce: repels carrot fly [3] Lime basil: repels mosquitoes [1] Mexican marigold: repels insects and rabbits [2] Myrrh: repels insects [5] Narcissus: repel moles [3] Nasturtiums: repel squash bugs, [2] aphids (though there is conflicting information with some sources stating it attracts aphids), [10] many ...
Aphids, mealybugs, and scale insects are particularly fond of lemon cypress trees, but these pests are treatable. Organic soap sprays applied every 7-10 days work wonders against mealybugs and ...
Citrus Black Spot has a large economic impact on many countries because the black blemishes make it undesirable for human consumption and therefore the infected fruit cannot be sold. This type of economic impact is felt most in Australia and South Africa where the disease has been present for a number of years. [37]
The best time to prune a lemon tree is right after all the fruit has been harvested, which can vary depending on your USDA zone. However, it typically happens in later winter or early spring ...
“When you bring a living plant that’s 6 or more feet tall into your home, you also could bring in all kinds of insects,” says Eric Benson, PhD, professor and extension entomologist, Clemson ...