中国热带和亚热带地区能源草资源调查与初步筛选

Investigation and Preliminary Screening of Energy Grass Resource in Tropical and Subtropical Regions of China

按照"草本,高大,多年生,丛生性好,适应性较强,热带或(和)亚热带分布"的自拟标准,通过查阅文献和植物标本,初步筛选出64种纤维素质能源草,隶属于8科31属。在对它们的野外调查中,观察到拥有1000m2以上自然种群且植株高度超过1.5m的只有芒、五节芒、斑茅、南荻、河八王、象草、甜根子草、芦竹、芦苇、光高梁、龙须草和拟高粱等12种。对这12种能源草进行了引种栽培研究,其中河八王、甜根子草、芦苇和龙须草长势一般,其他8种长势良好,可作为进一步筛选研究的对象。

According to self-made standard of＇herb, tall, perennial, tufted, strong adaptability, tropical or （and） subtropical distribution＇, by referring to the references and specimen, 64 kinds of cellulosic energy grasses were screened out. They belonged to 31 genera of 8 families. In their field investigation to the tropical and subtropical regions of our country, only 12 species had been observed with more than 1000 m 2 of natural populations and plants height more than 1.5 m, which were Miscanthus sinensis, Miscanthus floridulus, Saccharum arundinaceum, Triarrhena lutarioriparia, Narenga porphyrocoma, Pennisetum purpureum, Saccharum spontaneum, Arundo donax, Phragmites communi, Sorghum nitidum, Eulaliopsis binata and Sorghum propinquum. All of them were introduced and cultivated. Among these 12 species, Narenga porphyrocoma, Saccharum spontaneum , Phragmites communi and Eulaliopsis binata grew not good, but the others grew very well, which can be used as further screening study object.