The leading variety of Dachun rice in Wenjiang in 2008
In order to determine the leading rice varieties suitable for our region in 2008, promote the construction of the demonstration film of "planting, three and four" high-yield projects, and do a good job in variety selection, on August 31, our district organized and held an on-site investigation meeting of new rice varieties test. The attendees first visited the demonstration film of the "seed, three yield and four" high-yield project in Zhanqi Village, Tangchang Town, Pixian County, and the "Sichuan Variety Regional Test Station" in Shuangliu Jiujiang Town, and then visited the field site of the new rice variety experiment in Helin Village, Wanchun Town, Pixian County. 18 new rice varieties organized in our district were displayed and compared in the same field. This paper focuses on the resistance, high yield, growth period (maturity), adaptability and novelty of the tested varieties, and forms a comprehensive evaluation opinion on the field performance of each variety, combined with the variety performance and provenance on the production surface. The leading rice varieties in 2008 were Ⅱ you 498, Q you 6, Ⅱ you 084, Neixiang 8518, Yixiang 10, Yixiang 2292, Chuanxiang 9838, Neixiang you 1, Gangyou 527, Gangyou 906, Gangyou 725, Gangyou 94-11 and Gangyou 188.
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Can 2-methyl-4-chlorine be used at the 2-leaf stage of rice?
Gramineous crops such as rice are sensitive to 2-methyl-4-chloride before the 3-leaf stage, and improper use is easy to cause drug damage to crops and heart leaf deformities. After 4-leaf stage, the resistance to 2-methyl-4-chlorine gradually increases with the increase of leaf age. The drug resistance was the strongest at the peak tillering stage, and the sensitivity increased gradually after jointing. Therefore, it is generally required to apply 2-methyl-4-chloride from 4-leaf stage to jointing stage in rice production, and the dosage can not be increased at will to ensure the safety of rice. Nongdos of Niufam Co., Ltd., Australia
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In 2006, the National quality Review Committee approved the rice varieties.
Approval No.: national examination and approval Rice 2006013 Variety name: Luliangyou 996 breeding Unit: Hunan Agricultural University, South Asia Chinese Academy of seed Industry Academy of Sciences Variety Source: Lu 18s × 996 Provincial examination and approval: characteristics approved by Hunan crop Variety approval Committee in 2005: this variety belongs to indica two-line hybrid rice. The average growth period of early rice in the middle and lower reaches of the Yangtze River was 109.7 days, which was 1.7 days earlier than that of Jinyou 402. Moderate plant type, stem
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