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Showing 3 results for 1000-Grain Weight
Raziyeh Asadalahzadeh, Ali Hatami, Ahmad Naderi,
Volume 11, Issue 43 (9-2019)
Abstract
In order to evaluate the effect of heat stress and water restriction on grain yield and Components yield of wheat cultivars, this experiment was conducted as split plot based on randomized complete block design with four replications at Khuzestan Agricultural Research Center in two years in (2016-2017). Main plots included control cult that planting on recommended and normal conditions, planting was done on recommended dates, and discontinuation of irrigation after pollination and finally planting with a delay of one month from the recommended planting date and having normal and sub plots consisted of 3 wheat genotypes (Chamran2, Aflak and Khalil). The results showed that Drought and heat stress reduced the yield and its components and Grain filling period is heavily influenced by heat stress for all cultivars. In general, Khalil cultivar with superior grain yield (3582 kg / ha) and 1000 grain weight (34.3 g) was superior to other cultivars under stress of water and heat limitations. Grain yield of Chamran 2 variety was significantly reduced in terms of water restriction and heat stress that in this situation it is not recommended. In comparison with other two cultivars, Khalil cultivar with the highest grain yield and 1000-grain weight was more resistant to stress conditions and suitable for cultivation with such conditions is recommended.
Ebtesam Bavi, Saeed Zajernejad, Khoshnaz Payandeh,
Volume 15, Issue 59 (12-2023)
Abstract
In order to investigate the effect of foliar application of microelements on the quantitative and qualitative traits of spring corn hybrids, this factorial experiment was conducted in the form of a randomized complete block design with three replications on a farm located in Weiss County in the 2016-17 crop year. Experimental treatments include foliar application of microelements in five levels of pure water foliar application (control), foliar application of iron, foliar application of Cu, foliar application of manganese and foliar application of iron, Cu and manganese as the first factor and two hybrids SC704 and single cross Mobin were performed as the second factor. The results show that the foliar interaction of micro and hybrid elements on grain number per row, grain yield, biological yield, protein yield, ear length and leaf area index were significant at the level of 1% probability and on 1000-grain weight, harvest index and protein percentage at the level of 5% probability. The highest grain yield (9700 kg/ha), biological yield (22030 kg/ha) and protein yield (979 kg/ha) were obtained from foliar application of Cu, Iron and Manganese in hybrid compared to the treatment without foliar application (Control (SC704) showed an increase of 35%, 26% and 46%, respectively. According to the results, it seems that foliar application of micro elements could increase the quantitative and qualitative performance of Mobin hybrid and KSC704 had lower fertilizer capability.
اسدی، م.، نصیری، ی.، کهریزی، د. 1397. اثر تاریخ و تراکم کاشت بر عملکرد و اجزای عملکرد کاملینا (Camelina sativa L.) در مراغه. سومین همایش ملی کشت ارگانیک و ازدیاد گیاهان دارویی در سال 1397.
امیری‌دربان، ن.، نورمحمدی، ق.، شیرانی‌راد، ا.ح.، میرهادی، س.م.ج.، مجیدی‌هروان، ا. 1400. بررسی پاسخ فیزیولوژیک و عملکرد دانه و روغن کاملینا به کاربرد سولفات آمونیوم و سولفات پتاسیم تحت تنش خشکی انتهای فصل. علوم گیاهان زراعی ایران. 52(4): 99-87.
زارعی‌سیاه‌بیدی، ا.، ضایی زاد، ع. ر. و دانشیان، ج. 1399. اثر کم آبیاری بر عملکرد دانه و اجزای عملکرد هیبریدهای آفتابگردان. نشریه علوم زراعی ایران. 22(1): 14-1.
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Waraich, E. A., Ahmad, M., Soufan, W., Manzoor, M. T., Ahmad, Z., Habib-Ur-Rahman, M., and Sabagh, A. E. 2021. Seed priming with sulfhydralthiourea enhances the performance of Camelina sativa L. under heat stress conditions. Agronomy. 11(9): 1875.
Zanetti, F., Alberghini, B., MarjanovicJeromela, A., Grahovac, N., Rajkovic, D., Kiprovski, B., and Monti, A. 2021. Camelina, an ancient oilseed crop actively contributing to the rural renaissance in Europe. A review. Agronomy for Sustainable Development. 41(1): 1-18.
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Sina Yaghoubi Nezhad, Hamid Reza Javanmard, Seyed Bahram Andarzian, Mohammad Reza Naderi Darbaghshahi, Alireza Shokouhfar,
Volume 16, Issue 62 (11-2024)
Abstract
In order to investigate the effect of drought stress and planting date on the quantitative and qualitative yield of Camelina, this experiment was conducted in the crop year of 2021 in the form of a split plot in the form of a statistical design of complete blocks in three replications. In the main plots, three levels of planting date (October 30, November 14, and December 16) were compared, and in the secondary plots, drought stress was compared at three levels (90, 55, and 25 percent of field capacity). The results showed that the effect of drought stress and planting date on the number of corns in the main and sub branchs, 1000-grain weight, biological yield, harvest index, seed yield and oil yield were significant. The highest seed yield (1.83 ton/ha) and 1000-grain weight (1.67 g) on the planting date of November 14 and irrigation at the level of 90% of the field capacity and the lowest seed yield (0.26 tons per hectare) and 1000-grain weight (1.13 g) on the planting date of November 16 with irrigation at the level 25% of the farm capacity was obtained. In moderate stress conditions, the highest correlation between harvest index and 1,000-grain weight was obtained with grain yield, and in severe stress conditions, harvest index and biological yield showed a high correlation with seed yield. In general, the planting date of November 14 can be considered suitable for increasing the seed yield and oil yield of Camelina plant under irrigation conditions of 90% of the field capacity.
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