Control of nectarine pest white starflower beetle
[shape and injurious] the adult is 20 to 24 mm long, bronze in color, and there are more than 10 irregular white spots on the forechest dorsal plate and sheath wing. Adults nibble on ripe fruit, making it lose its commercial value. [occurrence regularity] A generation of beetles occurs every year, which overwinters with larvae in soil and organic fertilizer, and is easy to grow in chicken manure. Adults emerge from June to September and like to gather to harm mature fruits when they fly to the orchard. Adults have a tendency to sweet and sour liquid, and adults look for suitable places to lay eggs in July. [control methods] when ① uses chicken manure, it should be treated with medicine first. 40% methyl isophos EC or 50% phoxim EC can be used to spray organic fertilizer and stir while spraying to eliminate the larvae in the feces. When ② is trapped and killed during the occurrence of adults, sugar: vinegar: water = 1:4:16 can be mixed into sugar and vinegar solution, which can be hung in the field to trap adults.
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Cultivation techniques of Yellow Peach seedlings
Yellow peach seedling cultivation techniques 1, introduction: yellow peach seedlings are yellow peach seedlings, belong to grafted seedlings, grafted by peach seedlings. Yellow peach is native to China, and there are many varieties of yellow peach cultivated in China, so yellow peach seedlings can be divided into three categories: first, fresh yellow peach seedlings such as Fenghuang seedlings, Jinhuang seedlings, etc.
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Control of powdery mildew in peach trees
The prevention and control methods of peach powdery mildew are as follows: first, remove the diseased leaves after falling leaves and reduce the source of the disease. Second, spray chemical protection during the growing period: at the initial stage of the disease, spray 0.2 to 0.3 Baumetolite sulfur mixture, or 15% wettable powder trimethoprim 2000 to 3000 times, or 1500 to 2000 times methyl topiramate. Third, improve the ventilation and light transmission strip.
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