Fall season to prevent disease and promote growth
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After the fall, the Chinese rose again into the growing season. However, some of the Chinese rose began to have yellowish foliage, with black spots in the middle, but at the base there were a few fallen leaves, while the heavy ones all fell, and the flower buds fell off before they opened. This is mainly due to improper management. Into the autumn, because of excessive water, it is easy to cause the disease of the rose, mainly black spot. In addition, basin soil is often too wet and the roots are difficult to breathe, which in turn causes "complications" that cause the calyx to wither and drop. The rescue method is to timely remove diseased leaves and destroy them to prevent the spread of pathogens. Conditions can also spray carbendazim and other drugs 2-3 times. More importantly, we should strengthen water management and put the bonsai in a well-lit and well-ventilated place. Bonsai to maintain "dry between the wet," should not often too wet, and pay attention to topdressing, growth-promoting to nitrogen-based, appropriate to add phosphorus potassium fertilizer to ensure adequate supply of nutrition. The branches of the flowers that have been thanked are left 3-5 knots short in order to re-emerge the robust branches.