Watermelon seedling culturing substrate and application thereof

A seedling-raising substrate and watermelon technology, which is applied in the agricultural field, can solve the problems of watermelon self-rooted seedlings that are prone to excessive growth, weak resistance to Fusarium wilt, and increased planting costs, so as to reduce the occurrence of soil-borne diseases, have a strong ability to absorb nutrients, and improve fertilizer utilization. rate effect

Inactive Publication Date: 2012-07-04
NANJING INST OF VEGETABLE SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: although the grafted seedlings used in watermelon cultivation are strong and resistant to Fusarium wilt at present, the cost of seedling cultivation is 30% higher than that of self-rooted watermelon seedlings; , the ability to resist Fusarium wilt after planting is weak, and the use of bio-organic fertilizers and high-efficiency antibiotics will increase planting costs, reduce planting benefits, and easily cause non-point source pollution

Method used

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  • Watermelon seedling culturing substrate and application thereof
  • Watermelon seedling culturing substrate and application thereof
  • Watermelon seedling culturing substrate and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The production of embodiment 1 watermelon seedling raising substrate main raw material vermicompost:

[0030] 1. Production of vermicompost, the main raw material of watermelon seedling substrate

[0031](1) Preparation of earthworm base material: The used Chinese medicine residue is the residue after the active ingredients of Achyranthes bidentata, honeysuckle, dendrobium, and scrophulariaceae are mixed and extracted. ~ 25%) were roughly crushed, and weighed 80% of Chinese medicine dregs and 20% of rice straw, respectively, and mixed evenly on a dry weight basis, and adjusted their water content to 60 to 70%. At this time, the C / N ratio was 25 to 40 , pH7~7.5, access to BGB biological agent 5kg / m 3 After fermentation, it is made into the base material of earthworms. The fermentation process when making the base material is as follows: the fermentation temperature reaches 55-65°C, lasts for 5-7 days, turns the pile once, and after 20-30 days, turns the pile 2-3 times ...

Embodiment 2

[0043] The screening and preparation of embodiment 2 watermelon seedling raising substrate

[0044] 1. Screening of ratio of vermicompost, vermiculite and perlite

[0045] According to the requirements of watermelon seedlings on the physical and chemical properties of the substrate (bulk density 02 ~ 0.4g / cm 3 The total porosity is 60%~80%, the large pores are 20~25%, the pH value should be neutral and slightly acidic, and the nutrient concentration is moderate (EC value 1.5~2.0ms / cm). We use the vermicompost produced in Example 1 as the main ingredient , vermiculite, perlite as auxiliary materials, in the volume ratio of vermicompost: vermiculite: perlite in the range of 1 ~ 5: 0.6: 0.4, 5 formulas were set according to different proportions (volume ratio), with Huai Nongximelon seedling cultivation substrate was used as the control, and there were 6 treatments in total:

[0046] Formula 1: vermicompost: vermiculite: perlite is 1:0.6:0.4;

[0047] Formula 2: vermicompost: ...

Embodiment 3

[0075] Embodiment 3 seedling raising substrate application effect test of the present invention

[0076] 1, the influence of substrate of the present invention on the quality of watermelon seedlings

[0077] The experiment consisted of 3 treatments:

[0078] Treatment 1: Huainong watermelon seedling growth substrate poured with nutrient solution (CK1); the formula of nutrient solution is (by weight percentage): 0.1% urea, 0.1% potassium dihydrogen phosphate, and the balance is water. Irrigate with this nutrient solution 15 days after seedlings, and water once every 10 days thereafter, twice in total. When pouring the nutrient solution, the substrate should not be too dry, and the amount of irrigation should be half of the usual amount of water each time.

[0079] Treatment 2: Huainong watermelon seedling growth substrate without nutrient solution (CK2);

[0080] Treatment 3: the substrate of the present invention does not pour nutrient solution, substrate preparation: by vo...

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Abstract

The invention belongs to the technical field of agriculture and discloses a watermelon seedling culturing substrate, which comprises the following components: earthworm cast, vermiculite, pearlstone and paclobutrazol, wherein the volume ratio of the earthworm cast to the vermiculite to the pearlstone is (2-3):0.6:0.4; and the dosage of the paclobutrazol is between 10 g / m<3> and 20 g / m<3>. When the substrate is used for culturing watermelon own-rooted seedlings, a nutrient solution does not need to be replenished, the seedlings are in order and strong without growing excessively, and the root systems are developed. After the substrate is planted into soil along with the seedlings, beneficial microorganisms in the substrate can quickly form a dominant microflora around the rooting zone of acrop, so that nutrition elements in the soil can be activated, and the utilization ratio of a fertilizer is increased; the application amount of an inorganic fertilizer can be reduced by 20-30 percent; soil-borne diseases can be resisted effectively, the incidence rate of field blight is low, and the control effect is between 86.74 percent and 89.4 percent, is higher than the control effect of anefficient bactericide for an own-rooted seedling growing from the ordinary substrate, and is basically close to the control effect of a grafted seedling; and the soluble sugar content of watermelon and the yield are increased.

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to a watermelon seedling raising substrate and an application thereof. Background technique [0002] Watermelon is rich in nutrients and has a high water content. The content of natural nutrient juice ranks first among all fruits. It is called "the king of summer melons and fruits". It has become a favorite summer product and is widely cultivated all over the country. In watermelon cultivation, watermelon seedling cultivation is a necessary measure to shorten the growth time of watermelon in the field, reasonably adjust the stubble, save land, labor, and time, and achieve early maturity and high yield. Traditional watermelon seedlings are raised in soil-based nutrient pots, but with the development of seedling technology, light substrate plug seedling technology has been widely used. The light substrate raw materials used are mainly peat, edible fungus chaff, vegetable plant r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00A01G1/00A23K1/18A01K67/033A23K10/30A23K50/00
Inventor 毛久庚唐懋华张燕燕魏猷刚甘小虎章鸥孙雪花王东升
Owner NANJING INST OF VEGETABLE SCI
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