The experiments were carried out in paddy field of CNRRI in 1985-1989. Seedlings of the indica variety Erjiufeng were r......

光稃茅香是长根茎型禾草,是典型的无性系植物。在松嫩平原,实验光稃茅香无性系的芽库在整个生长季有25.9%～32.0%输出成分蘖株,芽库......

以石竹试管花的茎段为材料，研究了几种因子对试管花形成的作用。结果表明，开花植株的茎段可稳定地保持形成花芽的能力；外源激素对试管......

Wild-land fires are a dynamic and destructive force in natural ecosystems. In recent decades, fire disturbances have inc......

松嫩平原上羊草有两个趋异类型：灰绿型和黄绿型。两上类型间草的分蘖节一般均存活２－４年，最多可存活５年；根戏一般存活２－３年，最多可存活４年。峡谷......