Title: Effects of A Seed Coating for on Growth of No-plate Dry Raised and Cast-transplanted Rice Seedling
Abstract: Coating seeds with a certain seed coating developed in the Institute of Agricultural Sciences of the Lixiahe District of Jiangsu province is the key technology in cast-transplantation of no-plate dry-raised rice seedlings.In order to investigate the effect of seed coating on the growth of no-plate dry-raised rice seedling,the physiological characteristics of it as well as of other two types of rice seedlings,plastic plate dry-raised seedling without seed coating and conventional dry raised rice seedlings without seed coating,were compared.Due to the rapid and large water absorption of the seed coating agent,the soil water content around the root of the seedlings dry-raised from the seeds applied with seed coating agent was increased,as a result,the relative water content of the seedling was increased.Benefited from the seed coating and no-plate dry-raising,many of the physiological characteristics of rice seedlings,such as leaf chlorophyll content,leaf photosynthetic rate,plant bleeding intensity,soluble sugar,nitrogen content,and SOD activity in both root and leaf,were enhanced,by 11.2%-21.0%, 5.0%-29.2%,32.3%-72.7%,30.2%-49.8%,19.1%-39.4%,26.0%-47.6% and 23.3%-35.7%,respectively.The seedlings dry-raised from agent coated seeds without plate rooted earlier and faster than other two types,which might provide a solid foundation for the healthy and strong growth of rice seedlings in paddy fields.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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