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不同砧木对“春光”葡萄生长、产量及果实品质的影响

Effects of Different Rootstocks on Growth, Yield and Fruit Quality of ‘Chunguang’ Grape

  • 摘要: 以5BB、5C、101-14M、188-08、Beta、SO4和110R为砧木,早熟葡萄品种“春光”为接穗进行嫁接,自根为对照,调查“春光”的生长势和产量,测定其果实品质,并用主成分分析法进行综合评价,研究了不同砧木对“春光”生长、产量及果实品质的影响,以期为筛选适宜河北地区“春光”的优良砧木提供参考依据。结果表明:7种砧木对“春光”的生长势均无显著影响,但101-14M、188-08、Beta、SO4和110R为砧木的“春光”葡萄的产量显著低于自根,101-14M和SO4降低最显著。5C和110R为砧木的“春光”果实可溶性固形物及固酸比显著高于自根,而SO4嫁接的“春光”果实可溶性固形物及固酸比显著低于自根,可滴定酸含量显著高于自根。此外,101-14M和SO4砧木显著降低了“春光”果实的硬度。通过主成分分析得出,5C砧木在TSS、TSS/TA和硬度方面均占优势。综上可知,7种砧木中,5C砧木提高了“春光”葡萄的果实品质,为“春光”嫁接栽培的适宜砧木;而以SO4为砧木降低了“春光”果实品质及产量,为最不适宜“春光”嫁接的砧木。

     

    Abstract: Grapes were taken as scions grafted onto different rootstocks from 7 cultivars, included 5BB,5C,101-14M,188-08,Beta, SO4 and 110R,with non-grafted vines as control to evaluate and measure the growth potential and fruit quality of ‘Chunguang’ grapes, and with principal component analysis method for comprehensive evaluation, in order to provide reference for selecting good rootstocks by exploring the effects of rootstocks on growth, yield and quality of ‘Chunguang’ grapes in Hebei.The results showed that seven rootstocks had no significant effect on growth, the fruit yield of ‘Chunguang’ grafted with 101-14M,188-08,Beta, SO4 and 110R rootstocks decreased to different degrees, and the most significant was 101-14M and SO4.5C and 110R significantly increased total soluble solids and the ratio of total soluble solids to titratable acid.Whereas SO4 significantly decreased total soluble solids content and TSS-acid ratio, and significantly increased titratable acid content.Rootstocks 101-14M and SO4 produced berries with the lowest hardness, principal component analysis showed that among the seven rootstocks, 5C had advantages in TSS,TSS/TA and hardness.In conclusion, among the 7 rootstocks, 5C improved the fruit, so it was suitable for ‘Chunguang’.However, the fruit quality and yield of ‘Chunguang’ grafted with SO4 as rootstock decreased, and it was the most unsuitable rootstock for spring light grafted.

     

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