摘要
为了指导河北省承德市滦平县国光苹果栽植,以2a生国光苹果一级苗、2a生国光苹果二级苗和3a生国光苹果苗为试材,研究了不同苗龄和等级对苗木成活率及生长情况的影响。结果表明,2a生一级苗的成活率为96.00%,极显著高于2a生二级苗和3a生苗的成活率;3a生苗和2a生一级苗的主枝数分别为6.55个和5.51个,极显著高于2a生二级苗;3a生苗木的单株总枝量、长枝数量、中枝数量、短枝数量和叶丛枝数量分别为50.63个、13.73个、15.84个、10.07个和10.99个,均极显著高于2a生苗;3a生苗和2a生一级苗的中长枝比例高,2a生二级苗的短枝和叶丛枝比例高;3a生苗的总花芽数量和单株结果数量分别为12.60个和7.63个,极显著高于2a生苗木,且花序坐果率和花朵坐果率分别为60.67%和53.67%,也显著高于2a生苗;3a生苗的地径为2.67cm,极显著高于2a生苗木。总之,3a生苗木除成活率低于2a生一级苗外,其余指标都要优于2a生的2种级别苗木,而且3a生苗木成活率也在90%以上。因此,在滦平地区种植国光苹果应优先考虑3a生苗木。
In order to direct Ralls apple tree planting in Hebei Luanping, 3 a Ralls appleseedlings,first and second degree of 2 a Ralls apple seedlings were used as materials to study the effects of different seedling age and grade on survival rate and tree growtshowed that the survival rate of the first-degree seedlings in 2 a apples was 96. 00%,which was very significantly higher than that of the 3 a and second-degree i n 2 a seedlings; The number of main branches of 3 a seedlings and first-degree seedlings in 2 a apples were 6. 55 and 5. 51 respectively,and they were very significantly higher than that of the second-degree of 2 a seedlings. The number of total branches, long branches, medium branches, short branches and cluster twig in 3 a seedlings were 50. 63, 13. 73,15. 84,10. 07 and 10. 99 re-spectively, which were very significantly higher than that of the secondlings. The proportions of medium and long branches in 3 a and 2 a first-degree were higher. The proportion of short branches and cluster twig in 2 a second-degree seedlings were high-er. The number of flower buds and fruits of 3 a seedlings were 12. 60 and 7. 63, and they were significantly higher than that of the 2 a seedlings. The inflorescflower setting rate of 3 a seedlings were 60. 67% and 53. 67%, and they were significantly higher than the 2 a seedlings. The ground diameter of 3 a seedlings was 2. 67 c m,and wasvery significantly higher than the 2 a seedlings. The results indicated that the growth and fruiting indices of 3 a seedlings were higher than 2 a seedlings except the survival rate waslower than the 2 a first-degree seedlings # but the survival rate of 3 a seedlings was still over90P . Therefore, 3 a seedlings of Ralls apple trees should be planted in first priority in L u -anping area.
出处
《河北林果研究》
2017年第3期255-259,共5页
Hebei Journal of Forestry and Orchard Research
基金
河北省林业科技推广项目“苹果省力化栽培技术示范推广”(201704200)
关键词
滦平县
苹果
苗木质量
成活率
生长
Luanping county
apple
seedling quality
survival rate
growth
