Rooting of green cuttings of pear and quince forms in a greenhouse using the plant growth regulator β-indolyl-3-butyric acid
https://doi.org/10.33580/24092444_2023_1_13
Abstract
Green cuttings are leafy parts of the stem with one or more buds. Plant growth stimulators play a very important role in plant life. Thanks to them, you can safely root and grow a large number of green and lignified cuttings of such crops as fruit, berry and many others.
The study of the rootability of green cuttings of varieties and forms of pears was carried out in a greenhouse with a film coating equipped with a fog-forming installation. As substances stimulating the processes of root formation, a preparation was used: β-indolyl-3-butyric acid (BCI) (50 mg/l), water was used as a control. The objects of research were clonal pear rootstocks: PG 12 (k), PG 1716, PG 2 of the selection of I. V. Michurin VNIIS; Caucasian, K-1, K-2, 4-26, 4-39; and Northern quince of the selection of I. V. Michurin VNIIGiSPR; foreign - Dutch pear rootstock OHF- 333, German pear rootstock Piro II; French clonal quince rootstock VA 29. A zoned form of pear PG 12 was used for control.
According to the results of the conducted studies, it was found that when processing green cuttings of pears and quinces with a plant growth stimulant, the following had the greatest rootability result: Northern quince, clonal stock of quince VA 29. Without the use of a plant growth stimulator, Northern quince demonstrated the greatest rootability. As a result of the conducted studies, it was found that the greatest height of increments when using and without the use of a plant growth stimulator were characterized by: Northern quince, clonal rootstock of quince VA 29, as well as clonal rootstocks of pear PG 12 (k), PG 17-16, PG 2. The highest degree of root formation during processing and without the use of a plant growth stimulator: Northern quince, clonal rootstock of quince VA 29, as well as clonal rootstocks of pear PG 12 (k), PG 17-16, PG 2. The largest diameter of the conditional root neck when using a plant growth stimulator was demonstrated by: Northern quince, clonal rootstock of quince VA 29, as well as clonal rootstocks of pear PG 12 (k), PG 17-16, PG 2. When using a plant growth stimulator, the greatest root length was possessed by: Northern quince – 20.4 cm, clonal rootstock of quince VA 29 – 19.5 and clonal rootstocks of pear PG 12 (k) – 18.4 cm, PG 17-16 and PG 2. The greatest number of roots when treated with a plant growth stimulant were possessed by: Northern quince, clonal rootstock of quince VA 29 and clonal rootstocks of pear PG 12 (k), PG 17-16, PG 2.
About the Author
I. V. Zatsepina
FSSI "I. V. Michurin FSC"
Russian Federation
Russian Federation
Zatsepina Ilona Valerievna, Candidate of Agricultural Sciences, Scientific Researcher
30. Michurin St., Michurinsk, Tambov Region,393774
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Review
For citations:
Zatsepina I.V. Rooting of green cuttings of pear and quince forms in a greenhouse using the plant growth regulator β-indolyl-3-butyric acid. Botanical Journal of the North Caucasus. 2023;(1):13–20. (In Russ.) https://doi.org/10.33580/24092444_2023_1_13
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