RU2560274C1 - Method of selection of linen flax seeds with high varietal and sowing characteristics - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: invention is a method of selection of linen flax seeds with high varietal and sowing characteristics, comprising establishing the nursery of selection, selection of initial normally developed plants, and their evaluation. The plants are analyzed on the length of inflorescence, the definition of the typicality interval on this index (model of distribution of plants ±50% Mo) and subsequent removal of atypical plants not included in this interval.

EFFECT: invention enables to select linen flax seeds with high varietal and sowing characteristics.

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Description

The invention relates to agriculture, in particular to the primary seed production of flax.

Currently, there are known methods for selecting seeds of flax flax varieties with high varietal uniformity based on the selection and evaluation of plants according to a set of basic characteristics, which include the number of bolls per plant, plant height, technical length of the stem, fiber content in the stem under conditions created by square ( well) sowing with a plant nutrition area of 2.5 × 2.5 cm (1, 2) and a two-line tape method of sowing 7.5 × 45 cm (3, 4, 5, 6).

The closest analogue (prototype) of the invention is a method that includes laying a nursery selection using two-line tape sowing (7.5 × 45 cm), selection of the source (uterine) plants and their assessment by the number of boxes, height, technical length, color of the stem, content fiber in the technical part of the plant stem (4). A close prototype of the invention is a method that includes laying a selection nursery using two-line sowing tape (7.5 × 45 cm), monitoring the flowering of plants on specially selected ribbons, testing plants for flowering dates with the removal of inflorescences before and after the full flowering phase, providing for rejection after harvesting atypical plants (5, 7).

A common drawback of these methods is their multioperationality, complexity, partial impracticability in the time dimension and, as a result, high cost, the inability to select typical, highly productive plants, which are homogeneous according to the main varietal characteristics, in a less laborious and less complicated way. This circumstance is limiting for the creation of the required amount of high-quality updated seed, first of all, new varieties at the first stages of seed production.

The invention is aimed at eliminating the above disadvantages of known analogues and the following technical result can be obtained from its use: creation at the very initial stage of primary seed production of flax flax updated seeds with high varietal and sowing qualities, yielding properties at the lowest labor costs and funds for their subsequent reproduction.

The specified technical result is achieved due to the fact that the selection of flax seeds includes the laying of a selection nursery, the selection of the initial normally developed plants, their subsequent analysis according to the new characteristic “inflorescence length”. At the same time, it is planned to determine the interval of plant typicality by this characteristic (plant distribution model ± 50% Mo * (* Mo is the maximum number of plants in the typical interval) with the removal of atypical plants that are not included in it.

The proposed method for selecting seeds of flax flax is implemented as follows. After the selection of the initial, normally developed plants, they determine the length of the inflorescence. After the analysis is completed, the interval of typicalness of plants along the inflorescence length (plant distribution model ± 50% Mo) is found and plants (not included) are rejected (removed). The resulting typical plants are combined and threshed. From the created batch of seeds, an average sample with a mass of 5 g is taken to assess varietal uniformity by the soil control method. The remaining seeds are sown in the breeding nursery of the first year.

The experimental data of the field experiment performed in three years shown in tables 1, 2, 3 indicate significant disadvantages of the used method for selecting flax seeds and the advantage of the proposed method, which involves testing plants after their selection on the basis of "inflorescence length". Testing plants on this basis replaces the more laborious and more expensive (almost 2 times) their assessment by the complex of morphological characteristics and the fiber content in the stem.

As shown by experimental data created using the proposed method, the seeds retain their yield properties at the control level = the current method (table. 4).

Sources of information 1. Flax growing. - M., 1967, p. 167-169.

2. Flax flax. - M., 1976, p. 97-101.

3. Primary seed production of flax flax (guidelines). - Torzhok, 1988, p. 14-17.

4. Primary seed production of flax flax (guidelines). - Torzhok, 2002, p. 6-13.

5. Primary seed production of flax flax (guidelines). - Torzhok, 2010, p. 15-16.

6. SU 2183923. 06.27.02. Bull. Number 18.

7. SU 1807841. 04/07/93. Bull. No. 13.

Claims (1)

A method for selecting flax seed seeds with high varietal and sowing qualities, including laying a selection nursery, selecting initial normally developed plants and evaluating them, characterized in that the plants are analyzed along the length of the inflorescence, the typical interval is determined by this indicator (plant distribution model ± 50 % Mo) and the subsequent removal of atypical plants that were not included in this interval.