Technology of Cultivating Strong Seedlings with Longer Leaf Age for Carpet Seedlings Mechanical Transplanted Rice
Received date: 2021-11-17
Online published: 2022-03-17
In order to explore the key techniques of cultivating strong seedlings with longer leaf age for carpet seedlings mechanical transplanted rice, an experiment was conducted to study the effects of sparse sowing and seed-dressing agent on seedling quality of machine-transplanted rice with carpet seedlings, using Nangeng 9108 as material, two low seeding rates （90 g/tray and 110 g/tray） and three seed-dressing agent （hanyubaomu, mixian·jiashuangling and miaozhuangfeng） treatments were set. The results showed that the quality of rice seedlings transplanted with blanket seedling machine for 25 days of age was the best under the treatment of sparse sowing and seed-dressing agent. The seedling quality of the treatment with sowing amount of 90 g/tray treatment was better than that of 110 g/tray treatment. The three kinds of seed dressing agents had different degrees of optimization and regulation adjustment effects on the quality of seedlings. Among them, the quality of the seedlings treated with Hanyubaomu was the best in terms of seedling height, leaf age, white root number, root length, basal diameter, rooting power.
XUE Jiantao, LI Luan, CONG Shumin, YU Enwei, HU Yajie, CHANG Yong, ZHOU Mingming . Technology of Cultivating Strong Seedlings with Longer Leaf Age for Carpet Seedlings Mechanical Transplanted Rice[J]. China Rice, 2022 , 28(2) : 32 -37 . DOI: 10.3969/j.issn. 1006-8082.2022.02.006
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