植物生长物质对梨(Pyrus communis L.)变种生殖生长、产量和果实品质的影响旁遮普美人

IF 0.2 Q4 HORTICULTURE
A. Paul, Nirmaljit Kaur, P. S. Gill, A. Sinha
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引用次数: 0

摘要

在亚热带地区,坐果率低是半软质梨的一个主要制约因素,导致果实产量降低。为了研究植物生长物质对果实产量和质量的影响,Punjab Beauty 梨品种的植株被喷洒了植物生长物质,即硼酸(200、300 ppm)。为了研究植物生长物质对果实产量和质量的影响,在梨品种 Punjab Beauty 的植株盛花期喷洒了植物生长物质,即硼酸(200、300 ppm)、CPPU(5、10 ppm)、NAA(10、20 ppm)和 P-Ca(150、300 ppm)。在所有施用的处理中,硼酸(200 ppm)被证明是最有效的,其坐果率(6.91 %)、留果率(59.9 %)和产量(57.8 公斤/株)均最高,而 NAA(20 ppm)的果重(162.3 克)最高。从最大 TSS(12.4o Brix)、TSS/酸度比(53.4)和抗坏血酸(12.8 mg kg-1)来看,200 ppm 硼酸的果实内部质量最高。然而,总酚(30.9 毫克 GAE/100 果肉)和类黄酮(36.1 毫克 CE/100 果肉)的含量在 NAA(20 ppm)中明显较高。植物生长物质降低了果实中多酚氧化酶的活性。总之,施用硼酸(200 ppm)可提高梨品种 Punjab Beauty 的坐果率、产量和质量。旁遮普美人
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of plant growth substances on reproductive growth, yield and fruit quality of pear (Pyrus communis L.) cv. Punjab Beauty
Under sub-tropical region, poor fruit set is a major constraint in semi-soft pears resulting in lower fruit yield. To study the effect of plant growth substances on fruit production and quality, the plants of pear cv. Punjab Beauty were sprayed with the plant growth substances viz., boric acid (200, 300 ppm), CPPU (5, 10 ppm), NAA (10, 20 ppm) and P-Ca (150, 300 ppm) at full bloom stage. Among all the applied treatments, boric acid @ 200 ppm proved to be most effective with maximum fruit set (6.91 %), fruit retention (59.9 %) and yield (57.8 kg/plant), while, maximum fruit weight (162.3 g) was observed with NAA (20 ppm). The highest internal fruit quality in terms of maximum TSS (12.4o Brix), TSS/acid ratio (53.4) and ascorbic acid (12.8 mg kg-1) was observed in 200 ppm boric acid. However, the total phenol (30.9 mg GAE/100 pulp) and flavonoid (36.1 mg CE/100 pulp) content was significantly higher with NAA (20 ppm). The plant growth substances reduced the polyphenol oxidase activity in fruits. Overall, the application of boric acid (200 ppm) resulted in improved fruit set, yield and quality in pear cv. Punjab Beauty.
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来源期刊
Journal of Horticultural Sciences
Journal of Horticultural Sciences Agricultural and Biological Sciences-Plant Science
CiteScore
0.30
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0.00%
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审稿时长
6 weeks
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