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What's the difference between Nanjing 9 108 and Nanjing 5055?
1, the source of variety difference: Nanjing 9 108 is a cross between Wuxiangjing 14 and Japanese japonica rice Kanto 194; Nanjing 5055 is a hybrid of Wuxiangjing 13 and Kanto 194.

2. Difference of planting range: Nanjing 9 108 is suitable for planting in hilly areas of Jiangsu Province under the condition of medium and high fertility, by adopting various methods such as transplanting by machine, throwing seedlings, dry breeding and sparse sowing. Nanjing 5055 is suitable for planting along the Yangtze River, southern Jiangsu and surrounding areas.

3. Type difference: Nanjing 9 108 has compact plant type, light green leaves, hard leaves, strong lodging resistance and good late maturity; Nanjing 5055 has compact plant type, dark leaves, good population uniformity and medium panicle type.

Extended data

Precautions for planting:

1. Apply fertilizer according to the principle of "top priority should be stabilized before replenishment". Tiller fertilizer was applied in the early stage, nitrogen fertilizer was applied steadily at jointing stage, phosphorus and potassium fertilizer were applied more, and ear fertilizer was applied in the later stage. Nitrogen, phosphorus and potassium are used together;

2. In order to maintain the good taste of this variety, it is advisable to apply less nitrogen fertilizer and more organic fertilizer, especially try not to apply nitrogen fertilizer in the later stage. In the management of water slurry, we should master shallow water irrigation in the early stage to promote early development, put it aside in stages in the middle stage, strengthen the stems and roots, and alternate dry and wet in the later stage to live forever.

3. Soak seeds with chemicals before sowing to prevent seed-borne diseases such as bakanae disease and nematode disease, pay attention to the prevention and control of Laodelphax striatellus and thrips oryzae in seedling stage and field stage, and comprehensively prevent sheath blight and stem borer in the middle and late stage.

reference data

Baidu Encyclopedia-Nanjing 9 108

Baidu Encyclopedia-Nanjing 5055