STUDIES ON INDIGENOUS RICE IN YUNNAN AND THEIR UTILIZATION The Photp-Thermo-Response Patterns of Rices in Yunnan Province and Their Relation to the Classification of Maturity Groups
Abstract:Experiments of photo-thermo-response in rice were carried out atfour places in Yuan-Jiang County,Yunnan.The four points are locatedwithin a small area where the altiude and tempereture differ,besides,the natural day-length,photo-periods were subjected with 10-hour and18-hour treatments.Rice cultivar