Method for breeding aphidius gifuensis utilizing redundant floating tobacco seedling
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A technology of raising bees and floating seedlings of Aphids aphids, which is applied in botany equipment and methods, application, animal feed, etc. It can solve the problems of reducing the efficiency of bee breeding, not using floating smoke seedlings, and not being able to keep up with field release of bees, so as to omit sowing and raising seedlings, improving the utilization rate of aphids, and improving the efficiency of bee breeding
Inactive Publication Date: 2017-05-31
YUNNAN TOBACCO CORP QUJING BRANCH +2
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Problems solved by technology
The main problems existing in the existing bee breeding method are: one is to cultivate a special host plant for the bee breeding - flue-cured tobacco, and the remaining floating tobacco seedlings after transplanting the flue-cured tobacco are not used, which is a waste
The second is that the bee breeding period from sowing seedlings to breeding a large number of Aphids aphids is relatively long, such as 150-170 days for "bee breeding on tobacco plants" and 60-70 days for "bee breeding on floating smoke seedlings"; There is a space and time conflict with flue-cured tobacco seedling breeding in sheds; if you use the seedling sheds vacated after transplanting flue-cured tobacco to breed bees, it will not be able to keep up with the actual needs of bees in the field; if you build bee breeding sheds, you need special location, larger investment and longer construction period, etc.
[0003] In addition, during the breeding process of the existing floating tobacco seedlings, due to the massive reproduction of the tobacco seedlings and the feeding of the tobacco seedlings by the aphids, the growth of the tobacco seedlings was weak and a large number of lodgings occurred in the later stage of the bee breeding, resulting in the death of a large number of parasitic aphids and the inability to form stiff aphids, which greatly reduced the reproduction rate. bee efficiency
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Embodiment 1
[0023] Step (1) Restoring the growth of remaining floating tobacco seedlings
[0024] After transplanting the flue-cured tobacco, the remaining floating tobacco seedlings with normal roots and no disease, normal and complete heart leaves, and green and disease-free leaves are collected in the bee breeding base to prevent damage to the tobacco seedlings during transportation. , restore the growth of the remaining floating tobacco seedlings, and disinfect the water in the nursery pool without replacement.
[0026] The tobacco seedlings of recovery growth are transplanted to the density of 50 plants / disc (transplanting 1 row every other row) to length × width × height on the floating seedling tray of 66.5cm × 34cm × 5.5cm, 100 hole specifications. Fill the seedling holes with new substrate, remove the yellow and poorly grown leaves in the lower part, keep the upper 2 green disease-free leaves and heart leaves, and ...
Embodiment 2
[0039] The main difference between this embodiment and embodiment 1 is as follows:
[0040] 1. Select good quality tobacco seedlings for bagging and transportation
[0041] In Example 1, the remaining tobacco seedlings are collected and transported on a reel, not only the transportation efficiency is low, but also the quality of the tobacco seedlings on the same reel is uneven; , not only improves the transportation efficiency, but also ensures the quality of the tobacco seedlings.
[0042] 2. Eliminate the need to restore the growth of tobacco seedlings
[0043] Since the tobacco seedlings have been preliminarily selected during collection, the quality is good, which can save the link of restoring the growth of the tobacco seedlings, and the tobacco seedlings are transplanted in time on the same day after they are transported to the bee breeding base.
[0044] 3. Tobacco seedlings are transplanted regardless of size
[0045] In Example 1, it was found that the young seedli...
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Abstract
The invention discloses a method for breeding aphidius gifuensis utilizing a redundant floating tobacco seedling. The method comprises the steps of 1, gathering the redundant floating tobacco seedling after cured tobacco is transplanted to a aphidius gifuensis breeding base, and conducting topdressing cultivation in a seedling growing pond vacated after the cured tobacco is transplanted so as to resume the growth of the redundant floating tobacco seedling; 2, transplanting the tobacco seedling after the growth is resumed onto a new floating seedling growing plate, removing old leaves at the lower part during transplantation, only reserving 2 leaves at the upper part and center leaves, and shearing half of the two leaves at the upper part after transplantation; 3, after two new leaves are grown on the tobacco seedling, shearing or tearing myzus persicae breeding leaves into small pieces, scattering evenly the small pieces on the tobacco seedling, and covering the tobacco seedling using an insect prevention net cover in time after grafting myzus persicae; 4, when the average amount of myzus persicae on every plant reaches 150-200, grafting aphidius gifuensis, and conducting net covering. The method for breeding aphidius gifuensis utilizing the redundant floating tobacco seedling is not only high in aphidius gifuensis breeding efficiency, but also makes full use of the redundant floating tobacco seedling for waste treatment and a seedling growing greenhouse vacated after the cured tobacco is transplanted, thus the aphidius gifuensis breeding cost is drastically lowered, and the aphidius gifuensis breeding cycle is shortened.
Description
technical field [0001] The invention belongs to the technical field of Aphididae breeding, and in particular relates to a method for breeding Aphididae by using remaining floating tobacco seedlings. Background technique [0002] In recent years, the control of aphids by artificial mass breeding of Aphididae has been popularized and applied in Yunnan Province and even the whole country. Among them, the use of Aphids persicae to control Aphids persicae is the most in-depth, systematic and widely popularized and widely used method of A. Aphididae method" (CN102334468A), "A method for breeding and raising Aphidia persicae" (CN103168751A), "Aphidias persicae breeding method" (CN101664017A), "Using flue-cured tobacco seedling sheds to breed Aphidias persicae method" (CN103392674A), "a method for propagating Aphids persicae" (CN103168751A), etc., these methods can also be classified into two types: "propagating bees by tobacco plants" or "propagating bees by floating smoke seedlin...
Claims
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Application Information
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