行政院農業委員會台南區農業改良場  研究彙報第42號
 

綠肥大豆台南7號之育成

吳昭慧、連大進

摘  要

吳昭慧、連大進。2003。綠肥大豆台南7號之育成。台南區農業改良場研究彙報42:1~22。

綠肥大豆新品種台南7號係台南區農業改良場由青皮豆及綠肥大豆地方種經單株選拔採純系育種育成,初期生長勢強,植體鮮草量高,耐濕、耐旱及耐冷,對雜草抑制力優於其他綠肥大豆品種,生育期較青皮豆地方種長,田間覆蓋率完全,可做休耕田兩個期作之綠肥栽培或果園草生栽培,台南7號於2002年11月經行政院農業委員會召集之作物新品種登記命名審查小組審查通過。台南7號對光期敏感,植株匍匐生長屬無限型,生育日數春作203∼210天,夏作175∼186天,秋作88∼100天。春作覆蓋高度為61.3公分,夏作覆蓋高度62.8公分;果園草生栽培春作播種主莖可達325∼372公分,秋作主莖長度約112∼171公分。花紫色,葉為三小葉卵圓形。種皮及臍均為褐色,百粒重7∼9公克。春作生育80天鮮草產量每公頃19,933∼45,000公斤,夏作每公頃22,150∼41,500公斤,冬作約每公頃24,700公斤。

關鍵詞:豆科綠肥、果園覆蓋栽培、育種

接受日期:2003年6月9日


The Development of a New Soybean Variety Tainan No. 7, for Covering and Green Manure

Wu, C. H. and T. J. Lien

Summary

Tainan No. 7 is a new green manure soybean variety developed by The Tainan District Agricultural Improvement Station. It was selected from the local cultivar Chin-pi-do and went through the series of standard field evaluations followed the official protocols. The variety was developed for green manure utilization on fallow land and covering orchard for weed control. There are many good characteristics such as fast growing, high biomass, extended period of ground coverage, well adapted for rainfed cropping, superior drought and cold resistance. It was released with the agreement of The New Crop Cultivar Designation, Registration and Inspection Committee organized by the Council of Agriculture of the Executive-Yuan, R.O.C.  Tainan No.7 is photosensitive to the long day length during the spring season.  The maturities are 203~210, 175~186 and 88~100 days for spring, summer and fall seasons, respectively. The height of canopy is about 61.3 centimeters in the spring season and 62.3 centimeters in the summer season. The length of main stem is about 325 to 372 centimeters in the spring and 112 to 171 centimeters in the fall. It has purple flower and trifoliolate oval leaflets. The seed coat and hilum are brown. The 100-seed weight is 7 to 9 grams. The yield of green manure harvested in 80 days of growth is around 19,933 to 45,000 kg/ha, 22,150 to 41,500 kg/ha and 24,700 kg/ha for spring, summer and winter seasons, respectively. 

Key words: Legume green manure, Cover cultivation, Breeding

Accepted for publication: 9 June, 2003


 

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