In recent years, stem rot in tomato colonization has become one of the most serious diseases after planting, and vegetable farmers should be vigilant.
Symptoms showed that the base part of the stem of the tomato stem was close to the ground, and brown water-stained lesions were just beginning to appear. Afterwards, the lesion gradually expanded and circled around the stem, resulting in the death of the whole tomato plant. When the humidity is high, a white mold layer can be seen on the lesion.
Control methods 1. Pre-plantation chemical control, so that aseptic seedlings into the ground, can be sprayed with 72.2% Prec 600 times liquid + beneficial micro-bacteria 1000 times.
2. Pouring water when planting, avoid flood irrigation.
3. Spray two medicaments for prevention after easing the seedlings. The first use of 30% Rui Miao Qing 1500 times liquid + beneficial micro-bacterial agent 1000 times, after 4-5 days, with silver Fali 800-1000 times again Spraying for 1 time has better control effect on stem rot of tomato. Pay attention to spray when spraying must be used to make the liquid flow to the plant roots.
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