The summer temperature is high, and the disease can occur from seedling to harvesting stages, and the adult plants are seriously damaged(plastic plant pots wholesale suppliers). Damage to the blade, from the base to the upper leaf. In the early stage of the disease, pale yellow near-circular to polygonal lesions are formed on the leaf surface, which is easy to cause keratosis(20cm plant pots). When the air is wet, the leaf back produces a frosty mildew layer, which sometimes spreads to the leaf surface.
The most economical fertilizer, when mildly onset, according to 400-600 times liquid HILOT Kashuang diluted spray(large plastic terracotta pots), 5-7 days of medication, the number of application depends on the condition. The gray mold disease seedlings are light in color, and the onset of leaves and petiole is grayish white, watery, tissue softens to rot, and gray mold on the surface when high humidity(gallon pot). Green onion is the general term for several pest larvae of the family Fly.(cheap 1 gallon nursery trade pots for sale)
To ensure sufficient water, or use 50% iprodione diluted 1000-1500 times spray(nursery plant pots), 5 days of medication 1 time; continuous medication 2 times, can effectively control the disease, so that the symptoms disappear. Scallions are very fond of onions, ginger, garlic and other plants with a spicy smell(23cm plant pots), feeding on their tender roots or tender stems, generally concentrated in the spring and autumn seasons, the roots of the onion are mainly onion flies.(cheap 1 gallon nursery trade pots for sale)
After 3 days of administration, the roots were irrigated with 5% high-efficiency chlorocyanate 200 times(cheap plastic plant pots bulk). In the later stage, the lesions are dead and contiguous, showing a yellow-brown color. In severe cases, all the outer leaves are dead with yellow, similar to verticillium wilt. Most of the irregular water immersion spots in the base of the petiole(2.5inch square nursery pots), quickly become soft and rot, contracted or collapsed, and finally the diseased seed rotted and died.
Control method: 100 times of roots with trichlorfon, the effect is very good(plastic plant trays wholesale). The eggs of the leaf miner are white and are rice water. The size is 0.9 mm × 0.3 mm, and the mature larvae are about 7.5 mm long, wrinkled and yellowish. It is about 5 mm long and has an elliptical shape. It starts with a light yellowish brown color and turns reddish brown. It turns dark brown before emergence(4.5inch deep square pots). Control method: master the adult germination period, timely spray medicine to prevent adult worms, prevent adult worms from laying eggs.
The adults mainly lay eggs on the back of the leaves and should be sprayed on the back of the leaves(square grow pots). Or spray the larvae when the hazard has just occurred, and control the larvae to spray continuously for 2~3 times, and the pesticide can use 1000% of the 40% dimethoate emulsifiable concentrate. On the balcony of your own home, plant a pot of small shallots, not only beautiful, but also as a green potted plant to watch(4.5inch square nursery pots), but also to eat, as a cooking ingredients, it is really fun.(cheap 1 gallon nursery trade pots for sale)
The main shallots are susceptible to root rot, soft rot, gray mold and root nematode damage(nursery tray). If the fungus is used as the base fertilizer in summer, 150 to 200 kilograms per mu, small shallots are sowed after planting. Keep the soil moist before leaving the leaves. The small shallots grow to about 15 cm to promote the rapid growth of small shallots. The cultivation of small shallots can be applied once every ten days(3.5inch square nursery pots). The fertilizer can be selected from ordinary compound fertilizer or flower fertilizer.