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首页> 外文期刊>Environmental toxicology and chemistry >EFFECTS OF SIMULATED CHLORSULFURON DRIFT ON FRUIT YIELD AND QUALITY OF SWEET CHERRIES (PRUNUS AVIUML.)
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EFFECTS OF SIMULATED CHLORSULFURON DRIFT ON FRUIT YIELD AND QUALITY OF SWEET CHERRIES (PRUNUS AVIUML.)

机译：模拟氯磺隆漂洗对甜樱桃（李子）的产量和品质的影响

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摘要

Field experiments were conducted at the Irrigated Agricultural Research and Extension Center, Prosser, Washington, in 1992 and 1993 to study the effects of simulated chlorsulfuron (2-chloro-N[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]-carbonyl]benzenesulfonamide) drift at different reproductive growth stages of three cherry (Prunus avium L.) cultivars, Rainier, Chinook, and Bing. Branches of each cultivar were treated at side-green, full-bloom, postbloom, and pit-hardening growth stages with 0, 251.1 x 10~(-7), 83.8 x 10~(-7), 27.9 x 10~(-7), 9.3 x 10~(-7), and 3.1 x 10~(-7) M chlorsulfuron. In single-exposure experiments, Chinook was adversely affected by the lower levels of chlorsulfuron. Bing was not affected by levels of chlorsulfuron below 27.9 x 10~(-7) M. The yield and quality of fruit decreased significantly with the increase in chlorsulfuron concentrations applied at full-bloom and postbloom stages. Reduction in yield was correlated with the severity of injury symptoms on leaves. In the multiple-exposure experiments, fruit yield, fruit size, and color were significantly reduced by increasing chlorsulfuron concentration and number of exposures. Average firmness of fruit increased with increases in chlorsulfuron concentration. The data suggested that multiple exposures of a susceptible cherry cultivar to low levels of chlorsulfuron at full-bloom and post-bloom stage can reduce fruit yield and delay maturity of cherries while increasing fruit firmness.
机译：1992年和1993年在华盛顿州普罗瑟尔的灌溉农业研究与推广中心进行了田间试验，以研究模拟的氯磺隆（2-氯-N [[（4-甲氧基-6-甲基-1,3,5 -三嗪-2-基）氨基]-羰基]苯磺酰胺）在三个樱桃（李子），奇努克和宾果三个品种的不同生殖生长阶段漂移。每个品种的分支分别在侧绿，全花，花后和凹坑硬化生长阶段进行处理，分别为0、251.1 x 10〜（-7），83.8 x 10〜（-7），27.9 x 10〜（- 7），9.3 x 10〜（-7）和3.1 x 10〜（-7）M的氯磺隆。在单次暴露实验中，奇努克受到氯磺隆含量较低的不利影响。 Bing不受氯磺隆在27.9 x 10〜（-7）M以下的水平的影响。在丰花期和开花后阶段，随着氯磺隆浓度的增加，果实的产量和品质显着下降。产量降低与叶片损伤症状的严重程度相关。在多次接触实验中，通过增加氯磺隆的浓度和接触次数，显着降低了果实的产量，果实的大小和颜色。水果的平均硬度随着氯磺隆浓度的增加而增加。数据表明，易感樱桃品种在全花期和后花期阶段多次暴露于低水平的氯磺隆会降低果实产量并延缓樱桃的成熟，同时增加果实的硬度。

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