It can occur in the whole growth period of Zizania latifolia(50 cell propagation trays wholesale). Yellow brown dots appeared on the diseased leaves and gradually expanded into brown spots the size of an oval sesame (yellow halo circle is often around the diseased spots). The center is yellow brown or gray white(5.9inch plastic plant pots). When the disease is serious, it will form irregular large spots. When the humidity is high, dark gray to black mold will appear on the surface.
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In the later stage, the leaves often died from half dead to whole dead, resulting in the reduction of yield(105 cell propagation trays wholesale). Cut stubble before winter, collect old leaves and burn them intensively to reduce bacteria source. Apply seedling fertilizer in spring and foliar fertilizer in time(6.3inch plastic plant pots). 10% imidacloprid wettable powder 1500 times liquid, or 90% DuPont WP wetting powder 3000~4000 times liquid spray control.(cheap plastic planter manufacturers ireland)
Pay special attention to supplement phosphorus, potassium and zinc fertilizer to enhance the disease resistance of Zizania(98 cell propagation trays wholesale). Before May and at the beginning of the disease, 50% paclobutrazol suspension concentrate 600 times liquid, or 50% times more sulfur wettable powder 500~600 times liquid(polystyrene plug plant trays), or 20% Tricyclazole 500 times spray, separated 7~10 days 1 times, alternately medication, continuous prevention and treatment 2~3 times.
Remove the remains of Zizania latifolia and reduce the number of overwintering eggs(200 cell propagation trays wholesale). Peeling dead leaves and pulling yellow leaves increase the ventilation and light transmittance in the field. Reduce the population number of overwintering insects, remove the disease residues of Zizania latifolia when cutting the pier before winter(shallow germination trays), and eliminate weeds near the field and ditch and overwintering larvae in spring.
(cheap plastic planter manufacturers ireland)We should use 5% Regent colloid suspension 1000 times liquid or 50% mozup 1000 times liquid spray to control it(128 cell propagation trays wholesale). It contains protein, fat, sugar, vitamin B1, vitamin B2, vitamin E, micro carotene and minerals, etc. The organic nitrogen of Zizania latifolia is in the state of amino acid, and can provide sulfur element(6.5inch plastic plant pots). It is delicious and has high nutritional value, which is easy to be absorbed by human body.
Zizania latifolia mainly strengthens the management of fertilizer and water, combined with the application of fertilizer in winter(112 cell propagation trays wholesale). If conditions permit, it is still worth trying to plant Zizania latifolia as a crop. According to the varieties with different leaf shapes, it is better to apply fertilizer twice a month for tubular leaves and leathery leaves(black plastic plant pots wholesale). In summer, lotus root should pay attention to the prevention and control of leaf spot to maintain its leaves.
The damaged leaves dried down from the tip of the leaves(162 cell propagation trays wholesale). We should use caution in the period of pregnancy. 10% imidacloprid wettable powder 1500 times liquid, or 90% DuPont WP wetting powder 3000~4000 times liquid spray control(4 inch plastic pots wholesale). Therefore, in practice, the amount of fertilizer should be greater than the amount of theoretical calculation. In addition, it is necessary to apply Zhuang fruit fertilizer and foliar fertilizer in May.(cheap plastic planter manufacturers ireland)
In winter, the edge of the disease spot is brown, and the high temperature resistant diseases and insect pests in South China mainly include flax leaf spot, rust, planthopper, borer, etc(288 cell propagation trays wholesale). In the process of crop planting, any crop fertilization must follow a rule that is to adapt to local conditions, so the principle we pay attention to for arbutus is to adapt to tree conditions, and form an unfavorable living environment for adults(bulk pots).