ZHANG Ling,SHEN Nan-nan,LI Mei-mei,et al.Effect of Aquasorb on the Planting Survival and Growth of ‘Lyuling’ Walnut[J].Northern Horticulture,2014,38(17):10-15,16.
保水剂对‘绿岭’核桃栽植成活及生长发育的影响
- Title:
- Effect of Aquasorb on the Planting Survival and Growth of ‘Lyuling’ Walnut
- 文章编号:
- 1001-0009(2014)17-0010-07
- Keywords:
- walnut; aquasorb; survival rate; growth
- 分类号:
- S664.1
- 文献标志码:
- A
- 摘要:
- 以一级‘绿岭’核桃嫁接苗为试材，研究了保水剂不同施用部位和保水剂不同施用剂量对核桃栽植成活和生长发育的影响，以期提高旱地核桃栽植成活率。结果表明：每株35 g L型保水剂施于底部，分施于底部和中部以及分施于底部、中部、上部的核桃幼树栽植成活率分别为100%、100%、96.67%，XL型保水剂3种施用部位的栽植成活率均为100%，对照为90%，各处理的成活率均显著高于对照；在5月份，L型保水剂3种施用部位的核桃幼树单株新梢总生长量分别为29.11、30.65、24.12 cm，XL型保水剂分别是29.14、23.80、30.43 cm，对照为30.70 cm；10月份时，L型保水剂3种施用部位的单株新梢总生长量分别为76.50、82.40、73.31 cm，XL型分别为85.70、67.14、70.16 cm，对照为87.14 cm；在0～20 cm土层中各类型根系总量以XL型保水剂分底部、中部、上部3个部位施入最多，为3.33条，20～40 cm土层中以L型保水剂分底部、中部2个部位施入最多，为567条，对照分别为2.33、1.67条；L、XL型保水剂施用量为15、25、35 g时核桃幼树成活率均为100%，施用量为45 g时成活率分别为100%、96.67%，对照为93.33%，各处理的成活率均高于对照。在该试验范围内，5月份时，施用L型保水剂的核桃幼树单株新梢总生长量均随着施用量的增加而增加，XL型保水剂施用剂量达45 g后单株新梢总生长量出现下降，到10月份时，XL型保水剂的单株新梢总生长量随着施用量的增加而下降；在0～20、20～40、40～60 cm土层中各类型根系总量分别以施XL型保水剂45、35、15 g最多，分别是5.67、5.33、1.33条，对照分别为2.33、1.67、1.00条；各处理在3个土层中根系均以直径＜2 mm的最多，直径2～5 mm的最少；施用保水剂后，土壤含水量有所提高。
- Abstract:
- Grade one grafted seedlings of ‘Lyuling’ walnut were used as material,the effect of aquasorb applying to different part of walnut and different quantity amounts on the survival and growth of walnut were studied,in order to increase the planting survival rate of walnut in drought area.The results showed that the walnut seedlings survival rates of applying 35 g L type aquasorb each plant to the bottom,to the middle and bottom and to the bottom,middle,upper part of the seedling were 100%,100% and 96.67% respectively.The planting survival rates of the three application positions of XL type aquasorb were 100%,that of the control was 90%,and those of all the aquasorb treatments were significantly higher than that of the control; in May,the young walnut plant total shoot lengths of the three treatments by applying L type aquasorb were 29.11 cm,30.65 cm and 24.12 cm respectively and those of by applying XL type aquasorb were 29.14 cm,23.80 cm and 30.43 cm respectively,that of control was 30.70 cm; in October,the young walnut plant total shoot lengths of the three treatments by applying L type aquasorb were 76.50 cm,8.40 cm,73.31 cm respectively,those of by applying XL type were 85.70 cm,67.14 cm,70.16 cm,that of the control was 87.14 cm.The root amount in 0～20 cm soil layer of applied XL type aquasorb to the bottom,middle,upper part of the seedling was 3.33 roots which was the largest,that of in 20～40 cm soil layer of applied L type aquasorb to the middle and bottom was 5.67 roots which was the largest,the root amounts of control in the two soil layer were 2.33 roots and 1.67 roots respectively.When the aquasorb application amounts were 15 g,25 g,35 g per plant,the walnut survival rates were 100%,and the survival rates of applying 45 g L type and XL type aquasorb were 100%,96.67% respectively,that of the control was 93.33%,the survival rate of all the treatments were higher than that of the control.In the range of aquasorb amounts,the young walnut plant total shoot lengths increased by L type aquasorb application amounts increased,the young walnut plant total shoot lengths decreased when the XL type aquasorb application amount reached to 45 g,in October,the young walnut plant total shoot lengths decreased by XL type aquasorb application amounts increased; the largest root amounts in 0～20 cm,20~40 cm,40~60 cm soil layer of applied XL type aquasorb 45 g,35 g,15 g,which were 5.67 roots,5.33 roots,1.33 roots respectively,and those of the control were 2.33 roots,1.67 roots,1.00 root.In the three soil layer of each treatments,roots with diameter <2 mm were the most,and roots with diameter 2~5 mm were the least; after applied aquasorb,the soil moisture contents increased.
参考文献/References:
［1］郭素萍,李保国,赵健健,等.‘绿岭’核桃开花特性及石硫合剂疏花技术研究［J］.林业实用技术,2012(11):10-12.
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备注/Memo
第一作者简介：张玲（1988-），女，河北青县人，硕士研究生，研究方向为经济林栽培生理。