New techniques for prevention and control of lily grass damage
1. Weed control before sprouting after sowing
After sowing, before sprouting, the mu (1 mu = 1 hectare, the same below) is sprayed evenly with 33% Weatong floating oil 100-150 ml plus 50-75 kg water, and the effect lasts for 50 days; with 48% Dele'an EC 200 ml plus 50-75 kg water, the effect can be evenly sprayed for about 30 days. In addition, 50% herbicide No. 1 wet powder 120-150 g per mu, or 30% chlorachlor EC 500 ml, or 60% acetachlor EC 300-400 ml, or 15% isoprolong wettable powder 200-250 g per mu, or 50% herbicide No. 1 wettable powder 100 grams plus 50% prometryne wettable powder 50 grams Or 30 grams of poisonous chlor EC 300 ml plus 25% herbicide EC 120-150 grams (any of the above agents can be) add 50-75 kg of water to spray the ground soil evenly before emergence after sowing lily seeds.
II. Weed control at seedling stage
Lily seedling stage is long, in order to prevent newborn weeds from being unearthed, 33% trifluralin EC 100150ml or 48% trifluralin EC 100150ml can be used per mu (trifluralin is afraid of light, to prevent photolysis, shallow hoe should be about 1cm after spraying, make it mixed with soil to better play the role of weeding) or 48% trimethoprim EC 200ml, or 25g herbicide wettable powder 500g-1500 g Or 100 grams of 50% Liguron wettable powder, or 150 grams of 50% prometryne wettable powder, or 750 grams of 25% chlorpromazine wettable powder (either of the above agents) add 50-75 kg of water and evenly spray the surface soil at the lily seedling stage and bulb stage for 2-3 times, all kinds of weeds can be effectively controlled. If the lily does not use herbicides at the seedling stage, when the lily suffers from grass damage after emergence, it can be sprayed on weeds with 50% Riguron wettable powder 75-100g per mu, or 1000 ml of herbicide oil, or 20% paraquat 100g or 20% paraquat (either of the above chemicals) for directional stem and leaf spray.
The above-mentioned methods can effectively control many kinds of weeds that harm the normal growth of lily, such as dogtail grass, barnyard grass, horse tang, wild amaranth, gray vegetable and so on.
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Common diseases and insect pests of lily and their control methods
Lily is native to our country. Distributed in southeast, southwest, Henan, Hebei, Shaanxi, Gansu, there are wild and cultivated, mainly do cut flowers and decorate the garden for potted ornamental. Bulbs for edible and medicinal purposes, flowers contain aromatic oils as spices, fruits and so on. Cold-tolerant autumn planting scaly bulbous flowers. There are many cultivated varieties, and there are yellow, red, light red, miscellaneous colors in addition to white. First, in the middle and later stages of growth, the corms and roots are easy to be infected with root rot, showing bright dark brown rot spots on the stem base of the plant are prone to basic rot, which makes the leaves droop and turn yellow.
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Lily harvesting and processing technology
1. The stems and leaves of the aboveground part of the plant withered completely in the autumn of the second year after harvest and planting. The excavation should be carried out on a sunny day. When digging, remove the stem, fibrous root and soil, the small bulb selects and leaves the seed, and the large bulb is stored in a ventilated and cool place for processing. 2. First, cut off the base of the bulb, spread the scale, pour the scales into the basket and boil them in boiling water for 5 minutes. Cook until the edges of the scales are soft and there are tiny cracks on the back. Pick them up quickly, wash the mucus in clean water and spread it out to dry immediately.
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