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首页> 外文期刊>Acta Horticulturae >Induction of seedless red bell pepper {Capsicum annuum L.) fruit by plant growth regulators
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Induction of seedless red bell pepper {Capsicum annuum L.) fruit by plant growth regulators

机译：植物生长调节剂诱导无籽红甜椒{Capsicum Annum L.）果实

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Consumption of fresh-cut bell pepper is increasing in popularity. Cooking and processing of the bell pepper fruits involve deseeding, thus production of seedless bell pepper fruits would allow more efficient handling of the fruit, leading to further increase in its consumption. We tested several plant growth regulators (PGRs) treatments for their effect on seed development in 'SONIA RED' red bell pepper grown in greenhouse. Three PGR treatments were examined: (1) GA3 + GA3 treatment where 50 ppm of gibberellic acid (GA3) solution was applied by drops on the flower buds about one week before anthesis and sprayed on the flowers one week after anthesis; (2) 4-CPA treatment where 30 ppm of 4-CPA solution was sprayed on the flowers at anthesis; (3) GA3 +4-CPA + GA3 treatment where the GA3 + GA3 treatment was combined with the 4-CPA treatment; and (4) hand-pollinated plants using a brush at anthesis were used as a control. The three PGRs treatments did not reduce fruit-setting percentage. The number ofseeds per fruit in the PGRs treatments ranged from 6 to 14% compared to the pollination treatment. Fruit weight was decreased in the GA3 + GA3 treatment and the GA3 + 4-CPA + GA3 treatment but not in the 4-CPA treatment. There were no differences in fruit height/diameter among the four treatments. Blossom-end rot was apparently reduced in the three PGRs treatments compared to the pollination treatment. Our results strongly suggest that the three PGRs treatments enable production of virtually seedless bell peppers, and that the 4-CPA treatment is likely to be most practical as it does not cause a reduction in fruit size.
机译：消耗鲜切甜椒正在越来越受欢迎。甜椒水果的烹饪和加工涉及去等待，因此生产无籽甜椒水果将允许更有效地处理水果，从而进一步增加其消耗。我们测试了几种植物生长调节因素（PGRS）治疗方法，以对温室生长的“Sonia Red”红辣椒的种子发展作用。检查三个PGR处理：（1）GA3 + GA3处理，其中在花蕾上滴在开花前一周在花蕾上施加50ppm的甘草酸（GA3）溶液，在花序前一周喷洒在花朵上; （2）4-CPA治疗，其中30ppm的4-CPA溶液在花序中喷洒在花朵上; （3）GA3 + 4-CPA + GA3处理，其中GA3 + GA3处理与4-CPA处理合并; （4）使用在假体上使用刷子的手授粉植物作为对照。三个PGRS治疗没有减少果实设定百分比。与授粉处理相比，PGRS治疗中的每个果实的数量范围为6％至14％。 GA3 + GA3处理中的果子重量和GA3 + 4-CPA + GA3处理减少，但不在4-CPA处理中。四种治疗中的果实高度/直径没有差异。与授粉治疗相比，三种PGR处理中显然降低了叶片腐烂。我们的结果表明，三种PGRS治疗能够生产几乎无籽甜椒，而4-CPA治疗可能是最实用的，因为它不会导致果实尺寸的降低。

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