Published date: Apr 05 2021

Journal Title: KnE Life Sciences

Issue title: DonAgro: International Research Conference on Challenges and Advances in Farming, Food Manufacturing, Agricultural Research and Education

Pages: 870–876

DOI: 10.18502/kls.v0i0.9024

Nina Lidzhieva for-lidjieva@yandex.ruKalmyk State University named after B. Gorodovikov, 11, Pushkina ave., Elista, 358000, Russia

Amulanga AntonovaKalmyk State University named after B. Gorodovikov, 11, Pushkina ave., Elista, 358000, Russia

Saglara UbushaevaKalmyk State University named after B. Gorodovikov, 11, Pushkina ave., Elista, 358000, Russia

Alexandra OchirovaKalmyk State University named after B. Gorodovikov, 11, Pushkina ave., Elista, 358000, Russia

Jeanne OvadykovaUkhta State Technical University, 13, Pervomayskaya ave., Ukhta, 169300, Russia

This article presents results on the seed productivity of populations of Tulipa gesneriana L. in the Ergeninskaya Upland (within the boundaries of the Republic of Kalmykia). This species is listed in the Red Data Books of several regions of Russia, including Kalmykia. The research objects were 4 populations of T. gesneriana growing on the Ergeninskaya Upland, which extends across the Republic territory from north to southwest on light chestnut soils of solonetzicity. The potential seed productivity of these T. gesneriana plants was 161.8-181.5 pcs. seeds per plant; the actual seed productivity was 161.8-181.5 pcs. seeds per plant; and the formation of seeds was 34.4-75.6%. All indicators of seed productivity showed significant interpopulation differences when moving from the northern part of the Upland to its southern part. A potential reserve of mature seeds per 1 meter2 , formed during the growing season, in the coenopopulations of T. gesneriana was 253.2 - 3212.8 pcs. in 2018 and 368.0 - 1121.2 pcs. in 2017 on the Ergeninskaya Upland.

Keywords: Tulipa gesneriana, coenopopulation, seed productivity, seed reserve

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