为研究不同硅肥使用量对苹果生长发育及果实品质的影响，以九年生俄矮 2 号为研究对象，设置T1(融地美 15 mL·株-1)、T2(融地美 11。25 mL·株-1)、T3(融地美 7。5 mL·株-1)和 CK(不施肥)4 个处理，于苹果萌芽前根施后，测定花牛苹果生长发育及果实品质等指标，探讨融地美不同施用量对花牛苹果生长发育及果实品质的影响。结果表明，施用融地美后，T3 差异最显著(P ﹤ 0。05)，其新梢长、新梢粗、百叶重、百叶厚较 CK 分别提高了 17。41%、13。51%、17。52%、11。68%，果实单果重、硬度分别提高了 12。96%、15。20%，可溶性固形物含量增加 1。370 百分点，可滴定酸含量降低 0。048 百分点，叶片净光合速率、气孔导度、胞间 CO2 浓度、蒸腾速率分别提高了 10。84%、8。08%、5。25%、22。66%。综上，株施 7。5 mL 融地美硅肥能有效促进花牛苹果生长发育和提高果实品质，可在生产中推荐使用。
Effects of different application amount of silicon fertilizer on growth and fruit quality of apple
In order to study the effects of different silicon fertilizers on the growth and fruit quality of apple,the nine-year-old Eai 2 was selected as the research object,and four treatments were set up,T1(Rongdimei 15 mL per plant),T2(Rongdimei 11.25 mL per plant),T3(Rongdimei 7.5 mL per plant)and CK(no fertilization).The effects of different dosage of Rongdimei on the growth and fruit quality of apple were studied by measuring the growth and fruit quality of apple.The results showed that after the application of Rongdimei,the difference of T3 was the most significant(P<0.05).Compared with CK,the new shoot length,new shoot thickness,hundred-leaf weight and hundred-leaf thickness were increased by 17.41%,13.51%,17.52% and 11.68%,respectively.Fruit weight,hardness,increased by 12.96%,15.20%,soluble solid content increased by 1.370 percentage points and titrable acid decreased by 0.048 percentage points;Leaf net photosynthetic rate,stomatal conductance,intercellular CO2 concentration and transpiration rate were increased by 10.84%,8.08%,5.25% and 22.66%,respectively.In conclusion,7.5 mL per plant Rongdimei silicon fertilizer can effectively promote the growth and development of apple and improve fruit quality,and can be recommended for use in production.
applesiliconi fertilizergrowth and developmentfruit qualityphotosynthetic characteristics
万方数据
维普
