Brief introduction of New Rice combination in Fengle seed Industry

The rice research institute of Yuxiangyou No. 2 line Fengle seed Industry used the new two-line hybrid rice combination of high quality, high yield, disease resistance and aroma derived from Guangzhan 63s wide compatibility restorer line Fengxianghui 1 to participate in the pre-test of medium rice in Hubei Province in 2003 and the regional test of medium rice in Hubei Province in 2004. The whole growth period of this variety as medium rice is about 135 days, which is equivalent to that of Shanyou 63. The plant height is about 125 cm, the total number of grains per panicle is 180-200, the seed setting rate is about 85%, the 1000-grain weight is 28 g, the yield is about 600 kg per mu under normal conditions, more than 650 kg under high-yield cultivation conditions, good resistance, resistance to bacterial blight, medium resistance to rice blast, resistance to rice sheath blight. The combination has strong adaptability, the rice quality of the combination is good, the main index is above the second grade high quality rice of the national standard, the cooking quality is good, the rice is fragrant and soft and delicious, the basic seedling must be inserted during cultivation, the basic fertilizer and panicle fertilizer must be applied again, and the water should not be cut off too early in the later stage. dry, wet, wet and yellow until old.

The female parent m8064s of Mfengliangyou 2 has a recessive marker for the lethal gene sensitive to bentazon. The whole growth period of the hybrid combination is 141d, the tillering ability is strong, the plant height is 130.2cm, the total grains per panicle is 263.6, the seed setting rate is 76.6%, and the 1000-grain weight is 25.6g. Main advantages: moderate ripening period and safe purity. When the male sterile lines with lethal markers of bentazon sensitive gene were used, when abnormal self-mixing occurred, the rice field herbicides could be applied at the seedling stage of hybrid seeds to selectively kill the self-crossing seedlings of male sterile lines and ensure the purity of hybrid rice production in the field. Special cultivation techniques: spraying bentazon at 2-4 leaf stage after sowing to remove impurities and keep purity can selectively kill the self-crossing seedlings of male sterile lines and ensure the field purity of hybrid rice.

You 156 has moderate plant type, strong tillering ability, the whole growth period is 138 days, the plant height is 125 cm, the total grain number per ear is 150-170, the seed setting rate is 85%, the rice quality is excellent, the yield per mu is about 600 kg, timely early sowing, reasonable close planting, and pay attention to re-applying base fertilizer. Resistant to rice blast and moderately resistant to rice bacterial blight.

D you 156 has moderate plant type, strong tillering ability, 140 days of whole growth period, 110 cm plant height, 155-165 grains per ear, 80% seed setting rate, 670 kg per mu in rice quality, stable character, timely early sowing and reasonable close planting, and pay attention to re-application of base fertilizer. Resistance to rice blast, resistance to bacterial blight.

The plant type of Fengyou 18 is compact, the flag leaf is lifted up, the whole growth period is about 130d, the plant height is 120cm, the panicle type is medium, the average is about 180grains per panicle, the seed setting rate is 85%, and the 1000-grain weight is 26g. The rice quality is good, the high yield is good, the general per mu yield 600kg. Resistant to rice bacterial blight and moderately resistant to rice blast.