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在盆栽和大田试验条件下测定了最新引入我国的盐草属(Distichlis spicata)植物NyPa宽叶和NyPa窄叶草的抗逆性。结果表明:在用盐水灌溉的条件下,盆栽NyPa草的高生长量明显大于对照植物高羊茅,用含盐量0~30‰范围的盐水灌溉(即从淡水到海水灌溉)对其高生长均没有明显影响,而高羊茅在20‰盐水灌溉后死亡;大田条件下,NyPa草在5‰~6‰含盐量的土壤上植株高生长正常,而高羊茅则受到明显影响;NyPa草可在-20℃低温下安全越冬,对早霜和晚霜有极强的抵抗能力;夏季高温天气下NyPa草可耐10多天的地面水淹环境;在试验点气候及盐碱土壤条件下,连续2年不进行灌水施肥,对其生长未见明显影响。说明NyPa草是一个具有较强抗逆特性的饲料和草坪兼用型草本植物。
The resistance of broadleaved NyPa and NyPa narrow-leafed plants newly introduced to China were tested under pot and field conditions. The results showed that under the condition of salt water irrigation, the growth of potted NyPa was significantly higher than that of the control plant Tall Fescue, and its growth was controlled by salt water with salt content ranging from 0 to 30 ‰ (from freshwater to seawater) While the tall fescue died after 20 ‰ salt water irrigation. Under the field conditions, NyPa grass grew normally in the soil with salt content of 5 ‰ to 6 ‰, but the tall fescue was obviously affected. NyPa Grass can win over the cold at -20 ℃ safely and has strong resistance to early frost and late frost. NyPa grass can withstand more than 10 days of ground flooding under high temperature in summer. Under the climate and saline-alkali soil conditions, For two consecutive years without irrigation and fertilizer, no significant impact on their growth. Description NyPa grass is a strong resistance to the characteristics of both feed and lawn herbs.