Method for increasing quinoa hybridizing rate

A technology of hybridization rate and quinoa, which is applied in the field of crop cultivation, can solve the problems of complex unfavorable emasculation, obstacles to quinoa breeding work, small quinoa flowers, etc., and achieves that the amount of shed pollen does not scatter in all directions, the amount of shed pollen is large, and the amount of pollen is large. Vibrant effect

Active Publication Date: 2016-02-17
AGRI BIOTECH RES CENT OF SHANXI PROVINCE +1
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Problems solved by technology

[0004] The present invention provides a method for improving the hybridization rate of quinoa in order to solve the problem that the quinoa flower is small and complicated and is not suitable for detasseling, which brings great obstacles to the quinoa breeding work

Method used

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Embodiment 1

[0015] Embodiment 1: A method for improving the hybridization rate of quinoa, planting in a greenhouse, selecting parents, processing top flower buds, isolating, emasculating, pollinating, and obtaining hybrid seeds, specifically includes the following steps:

[0016] 1. Planting in the greenhouse: Quinoa seeds were sown in small flower pots of 20cm×30cm, and each pair of parents was set up with four treatments, with an interval of five days between each treatment. The treatment methods are shown in Table 1:

[0017] Table 1

[0018]

1d 6d 11d 16d male parent

Sow 5 grains Sow 5 grains

female parent Sow 5 grains Sow 5 grains Sow 5 grains Sow 5 grains

[0019] 2. Select parent: when quinoa grows for 50-60 days, select a plant with a height of 30-40cm, no side branches, well-developed, and suitable plant size and shape as the parent;

[0020] 3. Top inflorescence treatment: After entering the phenotype stage, pay attention to the ...

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Abstract

The invention belongs to the technical field of crop cultivation, and provides a method for increasing the quinoa hybridizing rate for solving the problems that due to the fact that quinoa flowers are small, complex and not suitable for emasculating, very big obstacles are brought to the quinoa breeding work. Hybrid seeds are obtained through the steps of greenhouse planting, parent selecting, top-end flower bud treating, isolating, emasculating and pollinating, and the problems that the quinoa flowers are small and difficult to emasculate are solved by adopting a magnifying lens to assist an inoculating loop technology. Microscopic observation and actual operation effects determine that the optimal pollinating time is about 9:30 am and 3:00 pm. Living body pollinating is performed by adopting a 3:1 mode, that is, three male parents and a female parent are adopted, the pollen activity is high, and the flower season duration time is long. Pollinating is performed by adopting a vibrating rod indirect contact method, and compared with a traditional finger picking method and vibrating method, the regularity is high, the controllability is better, the vibrating amplitude is small, the strength is high, shed pollen is large in amount and does not drift away all round, the stigma pollinating rate is higher, and the hybridizing rate reaches 35%-40%.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and in particular relates to a method for improving the hybridization rate of quinoa. Background technique [0002] Quinoa (Chenopodiumquinoawilld) is native to the Andes in South America. It is the main traditional food of the Inca indigenous people. It has a planting history of more than 5,000-7,000 years. Because of its unique rich and comprehensive nutritional value, it raised the Inca nation. The ancient Inca People call it "the mother of food". Due to the lack of attention to the adjustment of dietary structure in the process of living habits and diet, "three highs" have become the number one killer affecting human health and life safety. Therefore, it is necessary to find a safe, healthy, nutritious, natural and convenient food. urgent needs of today's society. Quinoa is a whole grain, whole nutrition, whole protein alkaline food, which is rich in lysine, calcium, magnesium, pho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
Inventor 董艳辉唐朝晖王亦学李亚莉秦永军任永康王长彪赵兴华杨方赵武娟
Owner AGRI BIOTECH RES CENT OF SHANXI PROVINCE
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