Rice insect nemesis-72% pyrrolidone wettable powder
The product has strong stomach toxicity and contact effect, high insecticidal activity and excellent endospiration activity. It can be absorbed and transmitted by crops and kill more concealed pests. It is highly effective against rice planthopper and borer, and has good control effect on thrips, leafhoppers and rice weevil. At the same time, it can also control many kinds of pests on vegetables and fruit trees.
How to use it:
50 grams per mu of this product was used for the control of rice pests, and 30 ~ 50 kilograms of water was sprayed with 30 ~ 50 kilograms of water during the peak period of young nymphs or larvae or 10 kilograms of water. The middle and late stage of rice growth is the concurrent period of many kinds of pests, such as rice planthopper, Chilo suppressalis, Chilo suppressalis, Chilo suppressalis and so on, and the occurrence period and control period are basically similar, which is the key period for overall control. 50-60 grams per mu and 50 kilograms of water were used as conventional spray. To control vegetable aphids, cabbage insects, Plutella xylostella and so on, 40-50 grams per mu and 30-50 kilograms of water are used as routine spray.
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Four points for attention in wheat sowing and seed mixing
If the technical operation of wheat seed dressing before sowing is improper, it not only can not achieve the effect of disease and insect control, but also may lead to slow emergence and uneven emergence of wheat seedlings, and even affect the normal growth of wheat seedlings. In general, the seed dressing of wheat before sowing should pay attention to the following four points: according to the occurrence of local diseases and pests, determine the types of drugs. If the occurrence of local wheat seedling pests is very light and the disease is serious, you can only use fungicides to mix seeds without using insecticides; if diseases and insect pests occur, seed dressing should be done with insecticides and fungicides.
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Mianshu 4
The main results are as follows: (1) Variety source: it is a new variety bred in 1992 by Mianyang Institute of Agricultural Sciences using Xushu 18 as female parent and Mianfen No. 1 as male parent. (2) characteristics: medium ripe, medium vine type. The top leaves are purple, the mature leaves are green, the old leaves turn purple-red, the leaves are heart-type and toothed, the plant type is creeping, the basal branches are 5-8, the tubers are short and large, the skin is yellowish, the flesh is yellowish, the tubers are concentrated, there are 2-3 tubers per plant, and the sprouting is good, and the seedling stage and the field grow vigorously. The drying rate of potato chips is 26.5%, and the flour yield is 13.7%.
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