تأثیر صفحه‌‌های آب‌دوست پلانت‌‌بک بر استقرار و رشد نهال‌های اسکنبیل (.Calligonum comosum L’Herit) در عرصه‌‌های بیابانی

نوع مقاله : علمی- پژوهشی

نویسندگان

1 دانشیار، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

2 دانشیار، باغ گیاه‌شناسی کاشان، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

3 استاد، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

4 کارشناس ارشد، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

چکیده

امروزه استفاده از انواع مواد آب‌دوست در مناطق خشک به‌منظور ایجاد پوشش سبز مورد توجه قرار گرفته است. با این رویکرد در پژوهش پیش‌‌رو، اثر صفحه‌‌های آب‌دوست زیستی پلانت‌‌بک بر مشخصه‌‌های ارتفاع، قطر یقه و قطر تاج نهال‌های اسکنبیل (Calligonum comosum) در ایستگاه تحقیقات مناطق خشک و بیابانی کاشان طی دوره 1396 تا 1399 بررسی شد. پس از کارگذاری صفحه‌های پلانت‌‌بک در چاله‌های حفرشده، نهال‌های اسکنبیل کشت شدند. نهال­ها به‌صورت چهار هفته و دو هفته یک‌بار با 10 و 20 لیتر آب آبیاری شدند. طرح آماری پروژه شامل کرت‌‌های دوبار خردشده در قالب بلوک‌‌های کامل تصادفی با چهار تکرار و هشت واحد آزمایشی متشکل از هفت نهال در هر واحد بود. نتایج نشان داد که استفاده از صفحه‌های پلانت‌‌بک سبب افزایش مشخصه‌‌های مورد بررسی شدند، به‌طوری‌که ارتفاع، قطر یقه و قطر تاج نهال‌‌های تیمارشده با پلانت‌‌بک به­طور متوسط در اثرات متقابل تیمارها 11، 11/5 و 14/8 درصد نسبت به شاهدهای خود برتری داشتند. اثرات متقابل دور آبیاری و آب مصرفی بر قطر تاج و اثرات متقابل دور آبیاری و کاربرد پلانت‌‌بک بر ارتفاع گیاه در سطح اطمینان 95 درصد معنی‌دار بودند. بیشترین (83 سانتی‌متر) و کمترین (39 سانتی‌متر) قطر تاج به‌ترتیب با مصرف 10 لیتر آب در دور آبیاری دو و چهار هفته یک‌بار به‌دست آمد.

کلیدواژه‌ها

عنوان مقاله [English]

Effects of plantbac panels on seedling establishment and plant growth of Calligonum comosum L’Herit. in desert areas of Iran

نویسندگان [English]

  • Sh. Banedjschafie 1
  • H. Batooli 2
  • A.A. Jafari 3
  • L. Kashi Zenouzi 4
1 Associate Prof., Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
2 Associate Prof., Kashan Botanical Garden, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
3 Prof., Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
4 Research Expert, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
چکیده [English]

Today, application of superabsorbent material as plantbac panels to overcome water shortages is considered for improving plant vegetation cover in arid areas. This research was aimed to investigate the effects of plantbac panels on plant establishment and growth of Calligonum comosum L’Herit. in the Kashan Arid and Desert Research Station over three years from 2017 to 2020. The experiment was conducted as a split plot design based on randomized complete blocks in four replications, in which the duration of irrigation (2 and 4 weeks) was considered as the main plot, and the amount of water (10 and 20 liters) and treatment (plantbac and control) as sub subplots. The seedlings were planted in the soils with and without plantbac panels. For each plant, the irrigation was conducted using 10 and 20 l water for two- and four-week intervals. Data were collected and analyzed in terms of plant height, canopy diameter, collar diameter, and survival rate. The results showed that the use of plantback plates increased the examined growth criteria of seedlings. When comparing interactions between treatments, the height, collar diameter and crown diameter of the Plantback treated seedlings showed average 11, 11, and 14.8% superiority to their controls. Furthermore, the interaction effect of irrigation by water consumption was significant for canopy diameter (p < 0.05), while interaction effect of irrigation by plantbac was significant for plant height (p < 0.05). The average higher and lower crown diameters of 83 cm and 39 cm were observed by 10 l water in two- and four-week irrigations, respectively.

کلیدواژه‌ها [English]

  • Green cover
  • irrigation
  • viability
  • water consumption

مراجع

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