Control of the first generation of Chilo suppressalis in single cropping rice
Prevention and control opinions
1. The field block of early sowing and early planting of single cropping rice was comprehensively controlled on June 20-25, mainly for stem borer, gray planthopper, early leaf borer and rice thrips. 5% fipronil (Regent) suspension agent 40-50 ml / mu flushing 30 kg spray.
2. On the basis of pulling out the diseased plants, the fields with rice stripe blight should be used to control gray planthopper in time. 40% chlorpyrifos (Xinnongbao, Saiben) 100ml / mu flushing 30kg spray was used to control it again every 5-7 days. During the control of gray planthopper, virus passivator 2% Ningnanmycin 100-150 ml / mu was added to improve the resistance of rice plants and reduce the harm of the disease.
Matters needing attention
1. When applying pesticide, there should be 3-4 cm of water in the field and keep water for more than 3 days. Pay attention to the safety of sericulture.
2. Fipronil (Regent) is highly toxic to @, shrimp and crab, so pay attention to the safety of use.
- Prev
Luomai No. 8
2008-6-3008 Luomai No. 8 was selected by Luohe Academy of Agricultural Sciences and passed the national examination and approval number: national examination and approval number: wheat 2007008 in 2007. The characteristic is semi-winter, the seedling is semi-creeping, and the jointing is quick. The leaf width is short, the tillering ability is strong, and the panicle rate is medium. The plant height is about 75 cm, the plant type is compact, the flag leaf is small, upthrust, and the light transmittance between plant rows is good. Spike fusiform, long awn, white shell, white grain. The grain is half-horny, uniform and full. The average number of ears per mu is 400000 ~ 470000 ears, with grains per ear.
- Next
Zhenmai 168
Characteristics: spring, the whole growth period is about 208 days, which is equivalent to the control Yangmai 158. The seedlings are semi-erect, the leaves are light green, the tillering ability is medium, the polarization is faster, and the panicle rate is higher. The plant height is about 85 cm, the plant type is semi-compact and the ear layer is neat. Spike spindle type, long awn, white shell, red grain, keratin, fuller. The average number of ears per mu is 336000 ears, the number of grains per ear is 35.1 grains, and the weight of 1000 grains is 40.4g. The cold resistance is similar to that of the control, the lodging resistance is stronger, and the ripening phase is good. Identification of disease resistance: medium resistance to scab, sheath blight, slow leaf rust, medium
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