SUN Yan-ping,ZHAO Fan.Effect of Chlormequat on Plant Traits and Growth of Red Lettuce[J].Northern Horticulture,2015,39(03):44-46.[doi:10.11937/bfyy.201503013]
矮壮素对红莴笋植株性状及生长发育的影响
- Title:
- Effect of Chlormequat on Plant Traits and Growth of Red Lettuce
- Keywords:
- Yong’an red lettuce; chlormequat; traits; yield
- 文献标志码:
- A
- 摘要:
- 以永安红莴笋为试材，在3个生育时期叶面喷洒不同浓度的矮壮素，研究了矮壮素对红莴笋植株性状及生长发育的影响。结果表明：在试验设置的处理水平中，在莴笋莲座初期喷施矮壮素600倍液抑制莴笋茎部的伸长，增加茎粗周长的效果最明显，使茎上各部加粗较均匀，植株蹲实，从而可以提高莴笋的外观质量。浓度和施用时期2个处理间的交互作用对株高影响不明显，但对茎粗周长和单株产量的影响极显著，说明适时适量喷施矮壮素主要影响的是莴笋的茎粗周长，主要是通过增加茎粗周长来影响产量，即适时适量喷施矮壮素是获取莴笋高产的重要措施。
- Abstract:
- Taking Yong’an red lettuce as test material, effect of foliar spraying different concentrations of chlormequat on plant characters and growth of red lettuce were studied in the 3 growth stages. The results showed that in the processing level test set with chlormequat 600 times liquid spraying in early rosette inhibited lettuce stems elongation, increased the most obvious effect of stem diameter, so that each part of the thickened stem was uniform, plant squat real, which could improve the appearance quality of lettuce.The interaction effect of concentration and application time on plant height was not obvious, but the effect on stem diameter and yield per plant was significant, and timely spraying chlormequat affected perimeter lettuce stem mainly,yield was affected by the increasing of stem perimeter.It’s an important measure to get high yield of lettuce by spraying chlormequat timely.
参考文献/References:
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备注/Memo
第一作者简介：孙彦萍（1971-），女，甘肃榆中人，农艺师，现主要从事蔬菜栽培研究及推广等工作。责任作者：赵凡（1963-），男，甘肃榆中人，本科，高级农艺师，现主要从事土壤肥料及旱作农业研究及推广等工作。E-mail：bmszhaofan@163.com.