摘要
为明确矮壮素对草莓穴盘扦插苗及定植后的影响,为矮壮素科学利用提供依据.分别用100、200、300、400、500、600 mg/L矮壮素并以清水作对照(CK),喷施草莓苗叶片,测定不同处理草莓苗植株性状及定植后物候期、果实品质(单果重、硬度、可溶性固形物含量)和产量(前期、中期、后期).随着矮壮素浓度的增加,草莓花芽分化率逐渐降低,草莓苗株高不断下降,根茎粗、地上部鲜重、地下部鲜重呈先升高后降低的趋势,根冠比极显著高于CK.定植后,随着矮壮素浓度的增加,草莓物候期不断推迟,果实品质及产量呈先升高后降低的趋势.结果表明,苗期喷施适当浓度的矮壮素,可促进草莓苗植株的生长,推迟定植后草莓的物候期,改善品质并提高产量.综合分析认为200 mg/L矮壮素处理效果最好.
Abstract
In order to clarify the effects of chlormequat chloride on strawberry plug cutting seedlings and after planting,and to provide a basis for the scientific utilization of chlormequat chloride.Using 100 mg/L,200 mg/L,300 mg/L,400 mg/L,500 mg/L and 600 mg/L chlormequat chloride and water as control(CK),spray the leaves of strawberry seedlings to determine the plant characters,phenological period,fruit quality(single fruit weight,hardness,soluble solid content),and yield(early,middle and late stages)of strawberry seedlings under different treatments.With the increase of chlormequat chloride concentration,the differentiation rate of strawberry flower buds gradually decreases,the height of strawberry seedlings continuously decreases,and the root neck thickness,fresh weight above ground,and fresh weight below ground show a trend of first increasing and then decreasing.The root to shoot ratio is significantly higher than CK.After planting,as the concentration of chlormequat chloride increases,the phenological period of strawberries continues to delay,and the fruit quality and yield show a trend of first increasing and then decreasing.The results showed that spraying appropriate concentrations of chlormequat chloride during the seedling stage can promote the growth of strawberry seedlings,delay the phenological period of strawberries after planting,improve quality,and increase yield.Based on comprehensive evaluation,the treatment with 200 mg/L chlormequat chloride had the best overall effect.
国家科技期刊平台
NSTL
万方数据