Heiyou No. 1 (Rice)
The main results are as follows: (1) Variety source: it is a new medium indica late maturing black rice combination derived from black rice restorer line 3350 (Shaanxi Yangxian 1 black rice / Yunnan Rui 499) from Zhenshan 97A female parent of Chengdu Biology of Chinese Academy of Sciences.
(2) characteristics: the whole growth period is 156.1 days, which is 5.3 days longer than that of Shanyou 63. Plant height 109.9 cm, strong tillering ability, vigorous growth, 166.8 grains per ear, seed setting rate 76%, 1000-grain weight 26.1g, brown rice rate 77.8%, brown rice purplish black, middle and high appearance quality, rice blast resistance identification, leaf blast grade 6-8, neck blast grade 7.
(3) yield performance: in the 1995 provincial regional trial, the average yield per mu was 475.0 kg at 18 points, which was reduced by 15.0% compared with Shanyou 63. In the production test in 1996, the average yield per mu in 5 pilot projects was 506.4 kg, which was 13.05% lower than that of Youshan 63.
(4) Heiyou 1 is the first black rice hybrid rice bred in the province, and its yield is more than 100 kg per mu than that of conventional black rice, which has better economic benefits and prospects for development and utilization.
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High yield of New Rice combination in Hengxian County
A few days ago, the new rice hybrid combinations "Tyou 551, Yueyou 938 and Taixiang 5" introduced into Hengxian County have all achieved high yield after expert acceptance. The new rice hybrid combinations "Tyou 551, Yueyou 938 and Taixiang 5" introduced in Hengxian County were planted on 3 slopes of South Township. A few days ago, Hengxian seed Company invited experts to carry out field acceptance of three new rice hybrid combinations. After the experts randomly selected three growers in the field, the acceptance results showed that T you 551 rice yielded 650 kilograms of wet grain per mu and dry grain per mu.
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Technical Measures for Drought Resistance and Disaster Reduction of Rice in Heilongjiang Province
In view of the actual drought situation, the rice expert guidance group of the Ministry of Agriculture conducted in-depth investigation in the upland rice areas and put forward scientific drought resistance and disaster reduction technical measures to ensure rice yield increase. 1. Strengthen irrigation water management and dispatching. It is necessary to actively open up water sources, organize as much as possible the withdrawal of running water and the use of irrigation machinery to make use of rivers, lakes and groundwater, and alleviate the contradiction of insufficient reservoir storage capacity. For plots far away from water sources, recharge wells shall be drilled in time to prepare for safe water supply in severe drought seasons. it is necessary to strengthen the management of existing water resources and the cleaning and repair of main canals for water conveyance, and to cover them with films to prevent seepage and leakage. Scientific adjustment
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