MA Cai-xia,SANG Zheng,ZHANG Yong-hao,et al.Effects of Foliar Fertilizer Comprised with Different Growth Regulator on Lettuce Growth [J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(06):62-65.[doi:10.11942/j.issn1002-2767.2018.06.0062]
不同生长调节剂组配叶面肥对生菜生长的影响
- Title:
-
Effects of Foliar Fertilizer Comprised with Different Growth Regulator on Lettuce Growth
- Keywords:
- lettuce; foliar fertilizer; fulvic acid potassium; DA-6; sodium nitrophenolate
- 文献标志码:
- A
- 摘要:
- 为了促进生菜的生长,以意大利耐热抗抽薹生菜为试材,在节能日光温室环境里,研究了不同成分的叶面肥对生菜株高、茎粗、地上部干鲜重、地下部干鲜重、叶面积、叶绿素含量的影响。结果表明:黄腐酸钾20%+大量元素25%(N8%,P5%,K12%)最有益于生菜干物质的积累及生菜地下部和叶片的生长;黄腐酸钾20%+大量元素25%(N8%,P5%,K12%)+10%DA-6对生菜茎粗和地上部鲜重的促进作用最好;黄腐酸钾20%+大量元素25%(N8%,P5%,K12%)+复硝酚钠5%显著促进生菜株高,不利于生菜叶片中叶绿素的合成,但抑制效果不显著;5%复硝酚钠和10%DA-6的混合使用会降低复配叶面肥对生菜生长的促进用;综合显示:不同生长调节剂组配成的叶面肥对生菜的生长均有显著的促进作用,其中以黄腐酸钾20%+大量元素25%(N8%,P5%,K12%)+10%DA-6的增产效果最好,且复硝酚钠与DA-6不宜混合使用。
- Abstract:
- In order to promote lettuce growth,the experiment with Italian heat-resistance bolting lettuce varieties were taking as experimental material,and planted in energy-saving sunlight greenhouse environment,we studied the effects of different foliar fertilizer on plant height,stem diameter,aboveground’s dry and fresh weight,underground’s dry and fresh weight,leaf area,and chlorophyll content of lettuce.The results showed that,the treatment A (20% fulvic acid potassium + a large number of elements 25%[N8%,P5%,K12%]) was most beneficial to dry matter accumulation,the underground part and leaves’ growth of lettuce.The treatment B(20% fulvic acid potassium+a large number of elements 25%[N8%,P5%,K12%] plus 10% DA-6) best promoted the increase of stem diameter and aboveground fresh weight of lettuce and treatment C(20% fulvic acid potassium + a large number of elements 25%[N8%,P5%,K12%]+5% sodium nitrophenolate) significantly promoted the plant high of lettuce,and was not conducive to the synthesis of chlorophyll in leaves of lettuce,but the inhibition effect was not significant.5% sodium nitrophenolate combinates with 10% DA-6 could reduce the promoting effect of distribution of foliar fertilizer on lettuce. In conclusion,regulators in this study were all have a significant promoting role for the growth of lettuce,and 20% fulvic acid potassium plus a large number of elements 25%(N8%,P5%,K12%) plus 10% DA-6 had the best effect,and it’s unfavorable for phenol sodium nitrate mixed with DA-6.
参考文献/References:
[1]汪清,谢志坚,余玉平,等,无公害生菜栽培技术[J].现代园艺,2011(3):30-31.
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备注/Memo
收稿日期:2018-03-01第一作者简介:马彩霞(1988-),女,在读硕士,从事园艺蔬菜学研究。E-mail:1203810332@qq.com。通讯作者:王吉庆(1963-),男,博士,教授,硕导,从事蔬菜栽培生态生理与无土栽培研究。E-mail:wjq16@sina.com。