元江干热河谷区甘蔗实生苗材料生态适应性试验初报
Journal: Agricultural Science DOI: 10.32629/as.v9i5.4008
Abstract
为选育适应元江干热河谷区独特气候条件的高产、高糖甘蔗实生苗新品系,本文对前 期筛选出的4份甘蔗实生苗材料(A11、A13-1、A13-2、A13- 3)进行了连续两年新植和一年宿根的比较试验。结果表明：材料A11在糖分和宿根性 方面表现优异,其平均蔗糖分达16.75%,宿根发株率为206.30%,公顷蔗茎产量和含糖 量分别为112.01 t/hm²和16.12 t/hm²,较对照品种新台糖1号(CK1)和新台糖22号(CK2)增产增糖幅度均超过13.58%。 材料A13-1产量潜力最为突出,平均蔗茎产量达151.55 t/hm²,较CK1显著增产53.68%。材料A13- 2则表现出明显的大茎特性,平均茎径最粗,为3.07cm。
Keywords
甘蔗；实生苗；生态适应性；干热河谷；抗旱育种
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