-
High-quality new japonica rice lines successfully bred in Yixing, Jiangsu
The author recently learned from the Bokun Agricultural Research Institute in Yixing City, Jiangsu Province: the institute, in cooperation with the China National Rice Research Institute's National Rice Improvement Center and other units, has achieved a breakthrough in the work of "breeding new japonica rice varieties with multiple resistance, high yield and high quality," successfully breeding a group of high-yield, high-quality new japonica rice lines such as 4701 and 4714 that are resistant to brown planthopper, rice blast and other pests and diseases. It is reported that the bred high-yield, high-quality new japonica rice lines combine genes for resistance to brown planthopper, white-backed planthopper, rice blast and stripe leaf blight, as well as high-yield and high-quality
-
Purple-marked rice male sterile lines developed in Guangxi
The rice male sterile lines carrying the purple-leaf marker trait, Xianhong A and Zhihong A, developed by the research team led by Guangxi Outstanding Expert Researcher Liang Shirong and Guangxi Academy of Agricultural Sciences Vice President Researcher Deng Guofu, passed the field technical appraisal organized by the office of the Guangxi Regional Crop Variety Approval Committee and conducted by a relevant expert group on August 3, 2007. After strict field investigation and indoor microscopic examination, and after hearing the research team's technical report and answers to questions, the expert group unanimously concluded that Xianhong A and Zhihong A have stable agronomic traits, stable male sterility, and good flowering
-
Screening of 8 New Virus-Free Potato Lines
1 Materials and Methods 1.1 Experimental Materials A total of 9 new virus-free potato lines were used in the test, all introduced from the Bijie Region Potato Breeding and Virus-Free Center. Their line numbers were: B9904-2, B9904-1, B9901-33, B9911-1, B9911-3, B9907-4, B9910-9, BP26, and Mira (CK). 1.2 Experimental Methods The test was conducted on the contracted land of farmer Chen Guangyi in Fengshan Village, Fengshan Township, Dafang County,
-
Hybrid late japonica rice restorer lines successfully bred in the Yangtze River Basin
Through the efforts of experts from the Shanghai Academy of Agricultural Sciences, the "Yangtze River Basin hybrid late japonica rice restorer lines - Shenhui 254 and Shenhui No. 1" were successfully bred and utilized. This project was awarded first prize for scientific and technological progress by the Shanghai Municipal Government this year. The key to applying hybrid late japonica rice in production in the Yangtze River Basin is to breed excellent late japonica-type restorer lines. This project used intermediate materials between indica and japonica subspecies as bridge parents, introduced indica restorer genes into late japonica rice varieties, adopted convergent crossing and systematic selection, and gathered the excellent base
-
How to prevent and control Chinese cabbage virus disease? These medication guidelines must be remembered
Agricultural control 1. Choose disease-resistant varieties and avoid continuous cropping. Planting experience has proven that varieties with green stems and green leaves are generally relatively resistant to disease. Do not plant near other cruciferous crops and do not practice continuous cropping with cruciferous crops, which can effectively avoid the occurrence and spread of the disease; 2. Sow at the appropriate time but later, and cover to lower the temperature. According to planting experience, appropriately...
条件筛选