Breeding method of a curly-leaf sesame inbred line
An inbred line and curly technology, applied in botany equipment and methods, applications, plant genetic improvement, etc., can solve problems such as low oil content, poor product consistency, and poor appearance quality, so as to reduce production costs and improve The effect of seed production efficiency
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Embodiment 1
[0031] The method for selecting and breeding curly leaf sesame JQ-1 inbred line, its steps are:
[0032] 1) May-September 2009: Crossed with Ezhi 4 as the female parent and CLSU-9×J972 as the male parent, and obtained F 1 Generation seeds, white grain, strong disease resistance.
[0033] 2) May-September 2010: planting F 1 , code-named 10-11116, pure white grain, strong plant growth, plant height 170cm, yield per plant up to 33.3g, number of capsules per plant more than 120, strong disease resistance in the group, no susceptible plant, self-fertilization, Harvest when ripe.
[0034] 3) May-September 2011: planting F 2 , code-named 11-21142, the growth of the group is good, there is a plant with curly leaves, the leaves are hypertrophic, tender, twisted, fully clasped, and the capsules can be normal. Therefore, take this plant as the female parent, and the non-curly strain in the same line is the male parent, carry out hybridization, and harvest the hybrid F 1 .
[0035] ...
Embodiment 2
[0038] Curly leaf sesame JQ-2, JQ-3, the breeding method of JQ-4 inbred line, its steps are:
[0039] 1) May-September 2009: Crossed with Ezhi 4 as the female parent and CLSU-9×J972 as the male parent, and obtained F 1 Generation seeds, white grain, strong disease resistance.
[0040] 2) May-September 2010: planting F 1 , code-named 10-11116, strong plant growth, pure white grain, strong plant growth, plant height 170cm, yield per plant up to 33.3g, number of capsules per plant more than 120, strong disease resistance in the group, no one plant infection Diseased, selfed, mixed when mature.
[0041] 3) May-September 2011: planting F 2 , code-named 11-21142, the growth of the group is good, there is a plant with curly leaves, the leaves are hypertrophic, tender, twisted, fully clasped, and the capsules can be normal. Therefore, using this plant as the female parent, the bred varieties Zhongzhi 18, Ganzhi 3, and 08-51113 were respectively used as the male parents for hybridi...
Embodiment 3
[0045] Examples of implementation effects of curly-leaf sesame inbred lines JQ-1, JQ-2, JQ-3, JQ-4
[0046] Based on the above method, this example screened and bred excellent curly-leaf sesame inbred lines JQ-1, JQ-2, JQ-3, JQ-4, and the identification test showed that these excellent lines had outstanding comprehensive characteristics. Compared with the common white sesame Ezhi No. 4 variety, the rolling-leaf inbred lines had little difference in plant height, initial capsule position, capsule number per plant, thousand-grain weight, stem spot blight resistance, fusarium wilt, growth period, etc. The yield is slightly lower, but the biological yield is higher, so it is an excellent new white sesame germplasm suitable for vegetable use and two-line hybrid seed production. Compared with ordinary white sesame, it has the following advantages: (see Table 1). On the basis of the stability of the identification nursery test, the JQ-1 excellent line will be applied for the new var...
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