Grafting cucumber root rot and its prevention

August 24, 2019

(1) Incidence of symptoms after the onset of symptoms. The course of disease is longer, and the wilting of the leaves begins during the day and can be restored at night or on a cloudy day. After a few days, the lower leaves begin to yellow and gradually develop upwards, resulting in dysplastic growth. There are two kinds of above-mentioned situations: First, grafted seedlings belong to the black stem pumpkin parts of the stem near the ground water stains become brown and corrupt, resulting in the death of the whole plant; Second, the stem base does not appear water and spoilage symptoms, pumpkin and cucumber The vascular bundles were also not browned. The roots of the excavated roots showed that the roots of the fine roots were brown and rot. Some of the main roots and branch roots also appeared light brown to brown. In severe cases, all the roots became brown and dark brown, and all of the bases of the fine roots were longitudinally split. And in the middle of the longitudinal cracks may be found in gray and black bands of mycelium, in the root bark cells can be seen dense black spots.
(2) The pathogenic bacteria and the occurrence rule are Phytophthora spp. belonging to the fungus Subgenie fungus. The optimum temperature for the development of pathogens is 24-28 degrees Celsius, the highest 32 °C, the lowest 8 °C. Generally low temperature is beneficial to the growth and development of pathogenic bacteria.
(3) Prevention and cure methods 1 Do a good job of seed bed disinfection. The treatment of bed soil at 50 degrees Celsius for 10 minutes can greatly reduce the incidence rate. Green earthworm No. 1 (Stachypythroside, Hymexazol) and other drugs can also be used for bed soil treatment.
2 Soil application of biological fertilizers. Fertilizers, fertilisers and other biological fertilizers are applied to the soil.
3 Using disease-resistant rootstocks, such as Yunnan black-skinned squash and Liaowu No. 1.
4 drug control, the early onset of 50% benomyl WP 1500 times Irrigation roots, each medicinal liquid 250mm.

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Production Specification Sheet

Product Name

Goji Powder

Country of Origin

Ningxia in China

ANALYSIS

SPECIFICATTION

TEST METHODS

Product Name

FD Goji Powder

SD Goji Powder

Color

Orange-yellow or Orange-red

Organoleptic Inspection

Odor

Characteristic, no other odor

Organoleptic Inspection

Taste

Characteristic

Organoleptic Inspection

Characters/Appearance

Fine particles or powder, slightly caking

Organoleptic Inspection

Impurity

No visible foreign material

Organoleptic Inspection

Loss on drying/Moisture(%)

NMT 10.0

NMT 8.0

GB5009.3

Total Sugar(glucose%)

NLT 40.0

NLT 20.0

GB/T18672

Protein(%)

NLT 4.0

NLT 4.0

GB5009.3

Leads(Pb) mg/kg

NMT 0.5

NMT 1.0

GB5009.12

Arsenic(As) mg/kg

NMT 0.3

NMT 0.5

GB/T5009.11

Total Plate Count(cfu/g)

NMT 30000

GB4789.2

Coliform(MPN/100g)

NMT 90

NMT 30

GB4789.3

Mold(cfu/g)

NMT 25

NMT 20

GB4789.15

Yeast(cfu/g)

NMT 25

NMT 20

GB4789.15

Pathogen

Negative

GB4789.4, GB4789.5, GB4789.10, GB/T4789.11

 

Shelf Life

12 months if stored in a cool ventilated dry place

Storage

It should be stored under cool, well ventilated, and dry condition

Package

Internal: Double composite bag. External: Carton

 

 

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Goji Powder

Herbal Goji Berry,Wolfberry Powder,Goji Berry Extract Powder,Goji Berry Freeze Dried Powder

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