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, the number of grains per ear is 35,40 grains, and the 1000-grain weight is 38,42g. Cold resistance, high temperature resistance in the later stage, long leaf function period. The stem is hard and resistant to lodging. Medium resistance to leaf rust, sheath blight, stem rust, stripe rust and powdery mildew.
The yield performance participated in the regional trial of Dongshui group varieties in the south of Huang-Huai wheat region from 2004 to 2005. the average yield per mu was 510.5 kg, which was 3.18% higher than that of Yumai 49, with an average yield of 522.2 kg per mu. Participated in the variety production experiment of Dongshui group in the south of Huang-Huai wheat region from 2006 to 2007, the average yield per mu was 508.6 kg, which was 2.31% higher than that of Xinmai 18.
The suitable sowing date is October 10 ~ 20, and the suitable basic seedlings are 120000 ~ 150000 per mu.
The suitable planting range is suitable for early and middle cropping in the middle and high fertility plots in the north-central part of our province, northern Anhui and Guanzhong area of Shaanxi province.
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Brief introduction of a New late Japonica Rice Variety Jia991
Jia 991 was approved by the 27th Variety approval meeting of Provincial Agricultural articles Review Committee in March 2003. In the urban trial of Jiaxing in 2000 and 2001, the average yield per mu was 537.2 kg and 563.7 kg respectively, which decreased by 4.38% and 3.19% respectively compared with the control Xiushui 63 (the difference was not significant). The average growth period of two years was 158.5 days, which was the same as that of Xiushui 63. The average yield per mu in the municipal production test in 2002 was 563.03.
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Control of the first generation of Chilo suppressalis in single cropping rice
Control opinions 1. 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 water 30 kg spray. 2. On the basis of pulling out the diseased plants, the fields with rice stripe blight should be treated with 40% chlorpyrifos (Xinnongbao, Saiben) 100ml / mu flushing 30kg spray every 5-7 days.
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