High quality fragrant Japonica Rice Variety-Chujingxiang 1
1. Variety source
Chujingxiang No. 1 is an excellent variety of fragrant japonica rice bred by Chuxiong Institute of Agricultural Sciences.
two。 Characteristic characteristic
Chujingxiang No. 1 is a mid-japonica medium-mature species, with a full growth period of about 170 days, maturing 3 ~ 5 days earlier than that of the hybrid line 22y2; the plant height is 100 cm ~ 105 cm, the leaves are slightly scattered in the early stage, the leaves become straight after jointing, and the tillering ability is weak; the spike is large and has many grains, 120 ~ 140 grains per ear, 80% seed setting rate and 21 g ~ 22 g 1000-grain weight. The grain is oval, the husk is yellow, awnless, the shattering is moderate, the rice is white, the rice has rich flavor, delicious taste and medium resistance to rice blast.
3. Adaptive range
It is suitable for planting in rice areas with an elevation of 1650 m ~ 1850 m in central Yunnan, and can also be planted in areas with similar ecological types outside the province.
4. Yield performance
In 1997, the yield per mu was 670.67 kg, which was close to that of the control line 24. In 1999, it was demonstrated in Yao'an County with an average yield of 685.93 kg, which was 7.21% higher than that of the control line 22mu. In 2000, it was popularized and demonstrated 680ha (10200 mu), with an average yield of 637.8 kg per mu.
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Wanmai 52
Characteristics: semi-winter, middle and late ripening, and the mature stage was 1-2 days later than that of Yumai 49 and Xinmai 18. The seedlings are semi-creeping, the leaves are slender, upward thrust, the tillering ability is medium, and the panicle rate is high. The plant height is about 85 cm, the plant type is compact, and the flag leaf width is short and upthrust. The ear layer is thick, the ear spindle type, the ear is uniform, the ear head is small, long awn, white shell, white grain, grain semi-horny, good gloss, good plumpness, medium black embryo rate and good commercial quality. The average number of ears per mu is 400000 ears, the number of grains per ear is 36.3grains, and the weight of 1000 grains is 40.9g.
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Characteristics and cultivation points of Xindao 17
Xindao 17 was selected by the Grain Institute of the Chinese Academy of Agricultural Sciences and named by the Variety approval Committee of the Autonomous region in 2007. 1. Characteristics 1. The characteristic plant type is compact, the leaf is erect, the tillering ability is strong, the plant height is 91.5cm, the ear length is 18.53cm, the total grain number per panicle is 139.4, the empty grain rate is 14.4%, and the 1000-grain weight is about 24.6g. two。 The growth period is sowing in early April, transplanting seedlings in early May, heading at the end of July and September.
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