Nanjing 41 (rice)
Nanjing 41 is a late-maturing medium japonica rice variety, which was bred by Grain cultivation Institute of Jiangsu Academy of Agricultural Sciences. In the production experiment in 2002, the average yield per unit area was 610.05 kg / mu, which was 3.44% higher than that of Wuyujing 3.
The characteristic plant height is 94 cm, the whole growth period is 148 days, moderately susceptible to leaf blast, susceptible to ear blast, moderately resistant to bacterial blight, susceptible to sheath blight, and excellent rice quality.
Suitable for planting under the condition of middle and high fertility in the middle part of Jiangsu Province.
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Ningdao 216 (Rice)
Ningdao (formerly 89XW-216) is a mid-late maturing variety bred by using 77-1313 (Ningjing 6) as female parent and Zhou 8023 (high quality strain introduced from Hunan) as male parent in Ningxia Academy of Agricultural and Forestry Sciences. < characteristics > = the whole growth period of Ningdao 216 is about 145 days. The height of the plant is about 90 cm and the leaf is smaller. Loose panicle type, in grain density. The grain is ovoid, spikelets awnless. Extremely strong tillers, high panicle rate, low air tax rate, quick filling, good ripening and yellowing.
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Identification and Control of Rice Black-streaked Dwarf Disease in South China
Rice black-streaked dwarf disease in southern China is a rice virus disease occurred in southern rice region, which has the characteristics of strong outbreak, rapid spread, difficult prevention and control, heavy damage and so on. After comprehensive prevention and control in 2011, a total of 8500 mu of rice black-streaked dwarf disease occurred in Lianyuan City, including 6500 mu of middle rice, 1600 mu of late rice and 400 mu of corn and other crops. A total of 25.93 tons of rice were lost, of which
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