Watermelon blight is important in the adult stage(105 cell seed starter trays). Dark green spindle-shaped water-like freckles can be seen at the nodes of the stems. The diseased area obviously shrinks and slowly turns brown and rots. In severe cases, the stems and leaves die and die(3 gallon nursery pots wholesale). The injured fruit shrank softly, and white mold was seen on the surface. It is necessary to implement a 3-4 year rotation with grass crops.
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When applying organic fertilizer, it should be fully rotten, and prevent germs from entering the field with the fertilizer(32 cell seed starter trays). Begin spraying as soon as the diseased seedlings are found. Participate in Brassinolide flower development regulators, which can promote the recovery and development of diseased seedlings(5 gallon nursery pots wholesale). Add 0.01% Tianfengsu 150ml or 0.1% Shuofeng 481 soluble powder 60g or 0.003% love Zengmei 75ml per hectare, improve Control effect.
At the same time, according to the amount of medicinal liquid per hectare(72 cell propagation trays), the silicone additive Jielili or 75 ml can be thoroughly penetrated, which can improve the control effect and save the dosage. After removing the dead seedlings, the diseased points should be disinfected. The technical operation methods are the same as above(7 gallon nursery pots wholesale). Rotations with gramineous crops for more than three years. Then, the changing of the fragrance wood can be used.
(fabric 65 gallon grow bags suppliers netherlands)Anthracnose is commonly known as "spot disease" and will continue to be persecuted during storage and transportation, causing a lot of rotten melon(200 cell seed starting trays). Diseases can occur in all stages of development. After persecution, it is more important in the middle and late stages(10 gallon nursery pots wholesale). After the onset of the disease, the lesions are black on the leaves, and there are purple haloes on the periphery, sometimes showing concentric ring patterns.
After the lesions spread, the joints cause dull and ruptured leaves(105 cell plastic propagation tray wholesale price). When the conditions are humid, small black spots appear on the lesions, and the spots are oblong and sunken on the stems and petioles. The disease resistance of different watermelon varieties is different, and disease resistant varieties should be selected for planting(15 gallon nursery pots wholesale). When spraying, disinfect the seeds before sowing in the same way as above.
In the initial stage of the disease, use 250 g / L of midazolam EC 1000 times liquid 110% anisole metronidazole (Segao) water-dispersible granules 1000 times liquid(32 cell plug trays supplier), or 250 g / L of azoxystrobin (amexida ) Suspending agent 1000 times liquid, or 80% F. Fu zinc (Anthracis Fumei) wettable powder 1000 times liquid spray 1-2 times(20 gallon nursery pots wholesale). Add 0.01% Tianfengsu 150ml or 0.1% Shuofeng 481 soluble powder 60g or 0.003% per hectare.(fabric 65 gallon grow bags suppliers netherlands)
As long as the sky is clear, watermelon will be sprayed in real time(200 cell seed starter trays). It will not be restricted by the interval of 5-7 days as soon as possible, and the spray can be sprayed every 2-3 days to prevent the disease from expanding due to rainfall. When spraying, participate in the brassinolide flower development regulator, which can effectively promote the diseased plants to resume development as quickly as possible(128 cell seed trays wholesale). Add 75ml to increase the control effect.
(fabric 65 gallon grow bags suppliers netherlands)At the same time, the amount of medicinal solution per hectare can participate in the silicone additive Jielili or through 75ml(105 cell plug trays supplier), but it can have a high control effect and save the amount of medicine. Family potted plants are mainly small and medium-sized, and the natural and fresh feeling is to choose those young fragrant wood seedlings with curved and deformed trunks and old postures(128 cell trays bulk). Spray once every 5-6 days, and spray 2-3 times.