Response of sunflower to foliar application of bio-liquid fertilizers under various sowing dates

IF 0.7 4区 农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY Pakistan Journal of Agricultural Sciences Pub Date : 2021-11-01 DOI:10.21162/pakjas/21.521
Muhammad Idrees
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Abstract

A two years field trail was conducted for evaluating the effect of different bio-liquids (vermiwash) sources on sunflower sown at different sowing dates. Experiment was comprised of three sowing dates viz. 20th February, 1st March and 10th March, with three levels of vermiwash viz. alligator @ 15%, alfalfa @ 15% and alligator @ 7.5% + alfalfa @ 7.5% along with control. Foliar application of bio-liquid was sprayed at bud formation, flower initiation and seed (achene) formation. Results revealed that during both the years of study, sowing dates and vermiwash sources significantly affected the yield and quality attributes. Moreover, sunflower planting on 20th February alongside alligator weed bio-liquid @ 15% produced significantly maximum height of the plant (246 and 241 cm), stem circumference (2.36 and 2.31 cm), head circumference (18.6 and 18.2 cm), 1000- achene’s weight (64.72 and 66.18 g) and achene yield (3237 and 3310 kg ha-1 ). This combination also significantly improved the quality traits of sunflower like achene oil contents (50.79 and 49.89%), protein contents (19.67 and 19.32%), oleic acid (30.99 and 30.44%)) and linoleic acid contents (59.94 and 58.88%). It can be concluded from the study that sunflower planting on 20th February with bio-liquid alligator (Alternanthra) weed 15% exhibited maximum morphological and quality performance of sunflower.
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不同播期向日葵对生物液肥叶面施用的响应
进行了为期两年的田间试验,以评估不同生物液体(蚯蚓粪)来源对不同播种日期播种的向日葵的影响。试验包括三个播种日期,即2月20日、3月1日和3月10日,三个水平的蚯蚓粪,即15%的短吻鳄、15%的苜蓿和7.5%的短吻鳄鱼+7.5%的苜蓿以及对照。在芽的形成、花的萌生和种子(瘦果)的形成过程中喷洒生物液。结果表明,在这两年的研究中,播种日期和蚯蚓粪来源显著影响产量和质量属性。此外,2月20日,在15%的鳄鱼草生物液中种植向日葵,可显著提高植株的最大高度(246和241厘米)、茎围(2.36和2.31厘米)、头围(18.6和18.2厘米)、1000瘦果重量(64.72和66.18克)和瘦果产量(3237和3310公斤ha-1)。该组合还显著提高了向日葵状瘦果油含量(50.79%和49.89%)、蛋白质含量(19.67%和19.32%)、蛋白质和蛋白质的品质性状,油酸(30.99%和30.44%)和亚油酸含量(59.94%和58.88%)。研究表明,2月20日用15%的生物液体短吻鳄(Alternathra)杂草种植向日葵表现出最大的形态和品质性能。
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来源期刊
Pakistan Journal of Agricultural Sciences
Pakistan Journal of Agricultural Sciences AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
1.80
自引率
25.00%
发文量
18
审稿时长
6-12 weeks
期刊介绍: Pakistan Journal of Agricultural Sciences is published in English four times a year. The journal publishes original articles on all aspects of agriculture and allied fields.
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