Grouth and development of two banana cultivars under saline stress

Abstract Keeping in view that salinity affects may vary between species, between varieties of the same specie and in development stages of the same genotype, two experiments were conducted under field conditions to evaluate: gouth development of two banana varieties (Musa spp), under irrigated conditions with water of different salinities, during the first production cycle (300 days), evaluations were made at interval of 45 days, through samplings. It was verified that all the primary variables were influenced by the time and the variety, except the total leaf area, the stem pseudo diameter and the dry phytomass of the leaves, when water of low salinity was used. The cycle of both varieties was delayed whem saline water was used and Prata Anã variety was found to be more tolerant to salinity in comparision to Grand Naine.

摘要：鉴于盐度胁迫对不同物种、同一物种不同品种以及同一基因型不同发育阶段的影响存在差异，本研究在田间条件下开展两项试验，以评估两个香蕉品种（芭蕉属（Musa spp.））在首个生产周期（300天）内，采用不同盐度水源灌溉时的生长发育情况。试验每45天通过取样开展一次评价。结果证实，当使用低盐度水源灌溉时，除总叶面积、假茎直径及叶片干生物量外，其余所有核心观测变量均受生育时期与品种的影响。使用盐渍水源灌溉会延后两个品种的生产周期，且相较于Grand Naine品种，Prata Anã品种对盐胁迫的耐受性更强。