Preliminary Report on Mother Machine Transplanting Rice Seedlingsof Hybrid Rice Seed Production in Lingao County
In 2017, Lingao Agricultural Technology Extension Service Center used the hybrid rice seed-making mother transplanter, the field experiment of hybrid rice seed-making mother transplanter was carried out. Taking Bo II You 225 hybrid rice as the experimental material, the effects of artificial transplanting and mother machine transplanting on hybrid rice seed production were compared. The results showed that in the growth period, the sowing period of the machine transplanting female parent was0.5-0.8 leaves longer than that of the hand transplanting female parent, and the earing rate was 3.5％lower, but the highest seedling number was 42～45 million/hm2 more than that of the hand transplanting female parent, the effective ear number was more than 210, 000/hm2, and the yield of the machine transplanting was 0.012 6 kg/m2 higher than that of the hand transplanting female parent. There were no differences in the numbers of panicles per m2, the real numbers of grains per panicle, the number of grains per panicle and the seed setting rate. However, considering the cost of seed productio, the mechanical transplanting of hybrid rice seed production and breeding saved 227 yuan per mu and increased the efficiency by 15 ～17 times. Therefore, this study considered that the mother machine transplanting rice seedlings had the advantages of labor saving, high efficiency, low cost and stable yield.It had practical significance of popularization in Lingao County.
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NSTL
万方数据
维普
