棉隆与3种生物菌剂联用对辣椒生长、产量及品质的影响

    Effects of Combined Application of Dazomet and Three Biological Agents on the Growth, Yield, and Quality of Pepper

    • 摘要: 为探究土壤熏蒸剂棉隆与生物菌剂联用对缓解辣椒连作障碍的效果,以早秀辣椒为试材,设单施棉隆(CK)、棉隆+绿亨168(MLH)、棉隆+台丰一号(MTF)和棉隆+疫病清(MYBQ)4个处理,每个处理3次重复,测定辣椒成活率、生长指标、产量、果实品质。结果表明:MYBQ、MTF处理成活率分别为68.97%和66.67%,显著高于CK(46.67%)和MLH(41.07%)处理;与CK相比,MLH处理显著提高辣椒株高和茎粗,MTF和MYBQ处理显著提高辣椒叶片叶绿素含量;MTF和MYBQ处理辣椒产量分别达35 541.00 kg·hm2和33 486.75 kg·hm2,较CK增产47.0%和38.5%;MTF处理辣椒果实可溶性蛋白和总酚含量均最高,果实品质改善最明显;综上,棉隆与台丰一号联用增产提质效果最佳,棉隆与疫病清联用成活率最高且显著增产,两者均可作为缓解辣椒连作障碍的有效组合技术。

       

      Abstract: In order to explore the effect of combining the soil fumigant dazomet with biological agents on alleviating the continuous cropping obstacles in pepper, Zaoxiu pepper was used as the test material, and four treatments were set up: single application of dazomet (CK), dazomet + Lvheng 168 (MLH), dazomet + Taifeng 1 (MTF) and dazomet + Yibingqing (MYBQ). Each treatment was repeated for three times. Then, the survival rate, growth index, yield and fruit quality of pepper were measured. The results showed that the survival rates of pepper treated with MYBQ and MTF were 68.97% and 66.67%, respectively, which were significantly higher than those of CK (46.67%) and MLH (41.07%) treatments. Compared with CK, the MLH treatment significantly increased the plant height and stem diameter of pepper, while the MTF and MYBQ treatments significantly increased the chlorophyll content of pepper leaves. The yield of pepper treated with MTF and MYBQ reached 35 541.00 kg·hm−2 and 33 486.75 kg·hm−2, respectively, which were 47.0% and 38.5% higher than that of CK. The soluble protein and total phenolic content of pepper fruit treated with MTF were the highest, indicating the most pronounced improvement in fruit quality. In conclusion, the combination of dazomet and Taifeng 1 demonstrated the best effect on increasing yield and improving quality, while the combination of dazomet and Yibingqing achieved the highest survival rate along with a significant yield increase. Both of them could be used as effective combination techniques for alleviating the continuous cropping obstacles in pepper.

       

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