根茎出苗率(RE)测定了西瓜、生菜和胡萝卜种子正常发芽率(NG)的差异

IF 1.7 4区农林科学 Q2 AGRONOMY

Seed Science and Technology Pub Date : 2022-01-01 DOI:10.15258/sst.2022.50.2.09

Serpil Mis, S. Ermis, A. A. Powell, I. Demir

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引用次数: 2

摘要

通过对西瓜、生菜和胡萝卜种子批进行胚根出苗试验，研究了胚根出苗试验预测正常发芽率的潜力。在100% RH和45°C条件下，每个种属一个种子批次进行不同时间的陈化，得到14个陈化子样。在发芽试验中(ISTA规则)计数RE(≥2mm胚根)，并在试验结束时评估NG。西瓜74小时、生菜40小时、胡萝卜120小时后RE计数与NG显著相关(P < 0.001)(西瓜，R2 = 0.81;生菜，R2 = 0.74;胡萝卜，R2 = 0.81)。西瓜10个商品种子批次(R2 = 0.66, P < 0.01)、生菜9个批次(R2 = 0.94, P < 0.001)、胡萝卜8个批次(R2 = 0.64, P < 0.05)的RE同时计数与NG呈极显著相关。讨论了可重构检验预测同一品种不同批次(西瓜、胡萝卜)和不同品种批次(生菜)NG的潜力。

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Radicle emergence (RE) test identifies differences in normal germination percentages (NG) of watermelon, lettuce and carrot seed lots

This study was conducted to test the potential of the radicle emergence (RE) test to predict normal germination percentage (NG) in seed lots of watermelon, lettuce and carrot. One seed lot of each species was aged at 100% RH and 45°C for different times to produce 14 aged sub-samples. The RE (≥ 2 mm radicle) was counted during a germination test (ISTA Rules) and NG was assessed at the end of the test. RE counts after 74 (watermelon), 40 (lettuce) and 120 hours (carrot) were significantly (P < 0.001) related to NG (watermelon, R2 = 0.81; lettuce, R2 = 0.74; carrot, R2 = 0.81). RE counts at the same times were significantly related to NG in ten commercial seed lots of watermelon (R2 = 0.66, P < 0.01), nine lots of lettuce (R2 = 0.94, P < 0.001) and eight lots of carrot (R2 = 0.64, P < 0.05). The potential of the RE test to predict NG of both different lots within the same cultivar (watermelon, carrot) and lots from different cultivars (lettuce) is discussed.

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来源期刊

Seed Science and Technology 农林科学-农艺学

CiteScore

3.00

自引率

28.60%

发文量

审稿时长

>36 weeks

期刊介绍： Seed Science and Technology (SST) is an international journal featuring original papers and articles on seed quality and physiology related to seed production, harvest, processing, sampling, storage, genetic conservation, habitat regeneration, distribution and testing. A journal that meets the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality. Published every April, August and December.