Do root rot of melons really have no medicine to cure?
Taking root rot disease, which is more difficult to control, as an example, the disease can be divided into two kinds: Fusarium root rot and Phytophthora root rot. Fusarium root rot mainly infects roots and stems, and begins to exhibit symptoms of water immersion at the time of onset. It then rots, and there is no apparent contracture of the stems. Vascular bundles in decayed areas turn brown and do not expand upward. The initial symptoms in the ground are not obvious. The late leaves appeared wilting at noon, and basically recovered sooner or later, while most of the severed leaves did not recover and died. Phytophthora root rot except for some features and the front, the obvious difference is that the base of the stem is slightly contracted, when the humidity is high, the diseased part is prone to sparse white mold layer, and the vascular bundle does not change color. At high temperatures, the shoots are wilting, and often there are several sporadic diseases. After watering, the spread of large areas will rapidly occur under conditions of multiple or humid conditions. The two pathogens are mycelium, chlamydospore, and sclerotia and oospores, respectively, with the disease in the soil overwintering in the soil, invade from the root wound, and then spread by rainwater, water and re-infection. Consecutive plots, high temperature and humidity, poor soil viscosity, poor water permeability, and continuous yin and rain, or low-lying areas are likely to cause severe occurrence of the disease. In addition to governance methods: 1. Apply 80% carbendazim WP 1 to 1.5 kg per acre or 70% thiophanate-methyl WP 1 to 1.5 kg and dry fine soil 1:50 times to mix and spread. In the planting hole. 2. After onset: (1) 50% Chlorobromoisocyanuric acid WP 750 times + 80% Ethoctin EC 3,000 times. (2) 30% methyl cream?f moldy water agent 2000 times liquid +20% copper rosinate water agent 2000 times. (3) 58% Amethyst Precipitate Water Dispersible Granules 600 times liquid + 99% ?f-mycin soluble powder 3000 times. (4) Phytophthora root rot can be used 10% Cyazofamid Suspension 600 times liquid + 72.2% Premavir hydrochloride 750 times liquid. (5) "Silver Pharisee" brand 68.75% fluorescein propofol suspension 600 times liquid + 80% dimethomorph water dispersible granules 2500 times. Some of the plants with severe disease can spray a few more shoots in the roots of the plants after spraying completely. It is equivalent to infusing roots in order to increase the efficacy. For example, it is better to mix and spray with “positive root†water-soluble fertilizers rich in root-stimulating factors, amino acids, nitrate nitrogen, calcium, and various trace elements. Fruit juice drinks is a beverage made of fruit juice products obtained by physical methods such as pressing, centrifugation and extraction. Fruit juice retains most of the nutrients in the fruit, such as vitamins, minerals, sugar and pectin in dietary fiber. Often drinking fruit juice can help digestion, moisten the intestines and supplement the lack of nutrients in the diet. Juice Drinks,Honey Tea,Honey Citron Tea,Goji Berry Juice Xi'an Gawen Biotechnology Co., Ltd , https://www.agolyn-bio.com
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