Kluyvera sp. CL2 처리시기가 포도 ‘캠벨얼리’ 과실품질에 미치는 영향
Influence the Fruit Quality of ‘Campbell early’ Grape according to Inoculation time of Kluyvera sp. CL2
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초록
This study aimed to investigate the effect of inoculation time of phosphate- solubilizing Kluyvera sp. CL2 on fruit quality in cultivation of Campbell early’grape. When phosphate-solubilizing strain was treated at the stone-hardening stage, soil phosphorous increased, exchangeable cations such as K, Ca and Mg also increased. Soil pH was not changed severely due to the soil buffer capacity. Water soluble phosphate concentrations did not decrease heavily up to 20 days after inoculation. When this strain was treated at the berry-softening stage, soil phosphate solubilization ratio was high, cluster weight and sugar content also increased. Both anthocyanin contents and Hunter’s values were seen to be significant when inoculation times were stone-hardening stage and berry-softening stage, in particular, increase of Hunter's value a resulted in the improvement of coloration. From these results, we could find that the inoculation of phosphate-solubilizing Kluyvera sp. CL2 at berry-softening stage was the most effective in improvement of fruit productivity and quality in cultivation of‘Campbell early’grape.
Abstract
This study aimed to investigate the effect of inoculation time of phosphate- solubilizing Kluyvera sp. CL2 on fruit quality in cultivation of Campbell early’grape. When phosphate-solubilizing strain was treated at the stone-hardening stage, soil phosphorous increased, exchangeable cations such as K, Ca and Mg also increased. Soil pH was not changed severely due to the soil buffer capacity. Water soluble phosphate concentrations did not decrease heavily up to 20 days after inoculation. When this strain was treated at the berry-softening stage, soil phosphate solubilization ratio was high, cluster weight and sugar content also increased. Both anthocyanin contents and Hunter’s values were seen to be significant when inoculation times were stone-hardening stage and berry-softening stage, in particular, increase of Hunter's value a resulted in the improvement of coloration. From these results, we could find that the inoculation of phosphate-solubilizing Kluyvera sp. CL2 at berry-softening stage was the most effective in improvement of fruit productivity and quality in cultivation of‘Campbell early’grape.
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