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Summer squash yield capacity formation depending on the sowing terms in conditions of the Right-Bank Forest-Steppe of Ukraine

Author(s) Chernetskyy V.M., , ,
Palamarchuk I.I., , ,
Category The Agronomy
year 2014 issue Випуск №84. Частина 1
pages 90-95 index UDK 631. 559: 635. 621: 631. 53. 04 (477.4 – 292.485)
DOI
Abstract In conditions of the Right-bank forest-steppe of Ukraine the researches on the effect of sowing term on the yield capacity of summer squash fruit is carried out. It is determined that the optimal conditions for the growth, development, the formation of productive organs are formed under the sowing 25.04. On the plants of this period the largest number of leaves, fruits were formed, which contributed to the highest yield capacity of marketable fruits: the variety of Zolotynka – 60.0, the variety Chaklun – 89,7 t/ha. During the late sowing terms (5.05, 15.05, 25.05), yield capacity of fruits of summer squash is significantly reduced. It is found that the highest yield capacity of summer squash was obtained in variants with the sowing term 25.04 – 89.7 5.05 – 81.7 t/ha of Chaklun variety which is higher in comparison with the control variant by 29.7 t / ha and 21.7 t / ha, accordingly.
Key words summer squash, yield capacity, term of sowing, phenological phase, biometric parameters
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