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| Effect of Foliar Spraying KH_2PO_4 on Seed Production of Carrots(Daucus carota L. |
| Zhang Guangxing; Song Jianghua; Song Hongxia; et al. |
| College of Horticulture; Shanxi Agricultural University; Taigu 030801 |
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Abstract This article studied the effect of spraying KH_2PO_4(2 and 5 g·L -1 )on plant growth,yield,quality and viability of seeds of carrots.The results showed that photosynthetic rate,transpirational rate,stem diameter,internode length,umbel diameter and biomass significantly increased by foliar application of KH_2PO_4 of 2 g·L -1 .Therefore,seed yields and 1 000-seed-weight increased remarkablely,and the germination vigor improved significantly.
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Received: 10 January 2006
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