Breeding and high-yield cultivation techniques of high-quality japonica rice variety Wankenjing No.7
Wankenjing No.7 is a conventional rice variety with JN181 as its maternal parent and Wankenjing No.3 as its paternal parent,which had been bred through 9 generations by systematic breeding method. Two years of regional trials and one year of productive trials results had shown that the yield of Wankenjing No.7 was relatively high,with an average yield of 10164.75 kg/hm2. The rice quality was excellent,reaching the second level high-quality rice standard. Good lodging resistance,suitable plant height,thick stem,and no lodging occurred in any of the pilot sites. In actual production,high-yield cultivation techniques for this variety include timely sowing,cultivation of strong seedlings,appropriate transplanting,reasonable planting,reasonable fertilization,scientific water management,and reasonable prevention and control of pests and diseases. Wankenjing No.7 had effectively coordinated the demands for high-quality rice,and had high promotion and application value. It is of great significance in reducing production risks and promoting farmers' income growth.
Wankenjing No.7variety selection and breedingrice yieldrice varietiescultivation measures
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