Hybrid tomato seed production in protected ground
https://doi.org/10.18619/2072-9146-2024-6-17-21
Abstract
Relevance. The trend of increasing the area of protected soil and introducing new technologies in the cultivation of vegetable crops of food value can be traced every year. With the development of technology, the requirements for the quality and volume of seed material of hybrids have increased. The main constraints on seed production are the requirements for additional manual labor costs and the complexity of the process, in particular, pollination elements that need to be studied and improved.
The aim studying some elements of technology, the optimal time between castration and pollination when crossing fertile tomato lines.
Material and Methods. The research was conducted in 2022 year in greenhouse at the Federal State Budgetary Institution "Federal Scientific Vegetable Center". The objects of research were different methods of applying paternal pollen to the stigma of the maternal form. The experiment was carried out between maternal and paternal mid-fruited semi-determinate tomato lines in a hybrid combination. The variants of our experience include time-varying methods of pollen application. Pollination at the same time after castration is a control option, pollination after 4, 12, 24, 48 hours. Options with additional pollination the next day: pollination after 4 (+ after 24 hours), 12 (+ after 24 hours), 24 (+ after 24 hours), 48 hours (+ after 24 hours).
Results. In the research, it was found that when pollinated with pollen of the paternal component 24 hours after castration of flowers with additional pollination the next day (24 hours later), the yield of seeds from one fruit on the average fertile maternal line of tomato exceeds 3 times compared with conventional pollination at the same time with castration.
About the Authors
E. V. Demidenko
Federal State Budgetary Scientific Institution Federal Scientific Vegetable Center (FSBSI FSVC)
Russian Federation
Russian Federation
Ekaterina V. Demidenko - Junior Researcher.
14, Selectsionnaya str., VNIISSOK, Odintsovo district, Moscow region, 143072
S. I. Ignatova
All-Russian Scientific Research Institute of Vegetable Growing – branch of the FSBSI Federal Scientific Vegetable Center
Russian Federation
Russian Federation
Svetlana I. Ignatova - Dr. Sci. (Agriculture), Professor, Chief Researcher.
500, Vereya village, Ramensky urban district, Moscow region
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Review
For citations:
Demidenko E.V., Ignatova S.I. Hybrid tomato seed production in protected ground. Vegetable crops of Russia. 2024;(6):17-21. (In Russ.) https://doi.org/10.18619/2072-9146-2024-6-17-21
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