Yellow stripe leaf Learn more about Yellow stripe leaf
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Yellow-striped leaf flea: ecology and control of yellow-striped leaf flea, harm of yellow-striped leaf flea
Yellow striped leaf flea is an ancient pest on cruciferous vegetables. Farmers are no stranger to it, but they do not understand its ecology and life history metamorphosis, because its adults live on the aboveground leaves, eggs, larvae and pupae live in the soil. Ordinary farmers only control adults.
2019-01-04 Yellow stripe leaf flea ecology and control harm yellow stripe leaf -
The latest Research on the Evolution of National Orchid Line Art
Zhenhe, middle dwarf lotus petal of lotus petal orchid, thick-skinned broad-leaf lotus petal orchid from Baoshan, Yunnan, the first sight of this flower is this angle in the photo, this is the position, it seems to be made by its momentum, a strong sense of asphyxiation, can not feel the heartbeat, at a distance of two meters, I look at it reverently and solemnly. Yunnan is rich in.
2018-02-25 -
What are the symptoms of banana leaf spot?
What are the symptoms of banana leaf spot? Please introduce two common kinds of banana leaf spot, namely, yellow stripe leaf spot and black stripe leaf spot. In the past two years, it has occurred frequently in banana orchards. The damaged area of banana leaves often accounts for 20%-40% of the total leaf area, and when it is serious, it reaches more than 80%. Most of the leaves of diseased plants are withered.
2018-07-19 -
Knowledge of appreciation of orchid leaf art
The white or yellow stripes and spotted orchids on the leaves of orchids, known as Ye Yi in Hong Kong and Taiwan, have been valued by the orchid world since the 1980s. Flower art can only be appreciated for half a month, while Ye Yi can enjoy it all year round. 1. Claw: the white or yellow edge of the leaf tip is called "claw". Claw has deep claw, shallow claw 2, cover wheel: whole piece.
2018-03-03 -
Barley planting: how to control barley stripe disease?
How to prevent and cure barley stripe disease? What are the hazards of barley stripe disease? Please tell me about the harm of barley stripe disease: this disease is mainly harmful to leaves and leaf sheaths. The disease can be seen at the seedling stage, with light yellow spots or short stripes, and the disease is the most serious at jointing and heading stage.
2018-07-17 -
Ye Yi appreciation
Ye Yi appreciation
2018-04-26 -
Brazilian wood used to have a flower name.
Brazilian wood is an evergreen tree of the genus Liliaceae, also known as Brazilian iron tree, fragrant thousand-year-old wood, happy wood, striped thousand-year-old wood. The leaves of Brazilian wood are curved and arched, bright green and shiny, and the flowers are inconspicuously small and fragrant. It is a famous new generation of indoor foliage plants.
2018-05-04 -
Occurrence symptoms and control techniques of rice stripe blight
Occurrence symptoms and control techniques of rice stripe blight
2018-07-15 -
How to identify the symptoms of barley stripe disease?
How to identify the symptoms of barley stripe disease? Barley stripe disease is a disease infected by seed carrier system. The disease can occur as soon as the first or second young leaves grow out of the seedlings. Initially pale yellow spots or short stripes, and then the disease spot gradually expanded. To the tillering stage, slender stripes parallel to the veins were formed from the base of the leaf to the tip of the leaf.
2018-09-11 -
Symptoms of rice virus disease
The damaged plants were dwarfed and the leaves changed color, their growth declined, and the leaves were orange to yellow in color. The disease of indica rice is mostly orange or slightly reddish, also known as red leaf disease. The young leaves are mottled and the old ones are mottled. At present, 11 kinds of rice virus diseases (including two kinds of mycoplasmic diseases) have been found in China. they are common dwarf disease, yellow leaf disease, striped leaf blight, black streak dwarf disease, Verticillium wilt, grass dwarf disease, cluster dwarf disease, sawtooth leaf dwarf disease, orange leaf disease, Donggler disease and tumor dwarf disease. Rice common dwarf disease and yellow leaf disease are harmful in southern China.
2019-01-16 -
Pay attention to three precautions of rice after flood
From mid-late June to mid-late July, the southern region is often hit by torrential rain, and some areas are prone to floods. In case of flood and waterlogging disasters, in addition to carrying out routine remedial measures, attention should be paid to the prevention of the epidemic of bacterial diseases and the outbreak of migratory pests. Prevent the epidemic of bacterial brown stripe disease. With the flooding, the bacteria were able to spread and spread and infect through the wounds caused by Rain Water and rice plants during the flood. The resistance of flooded rice plants decreased, which was more conducive to the epidemic of the disease. There is a process from the flood to the epidemic of the disease, therefore, for the medium rice in the flood area,
2019-01-16 -
What are the animals?
What are the animals?
2018-07-03 -
Stripes 12 rolls how to raise stripes 12 rolls of leaves yellow how to do
Stripes 12 rolls how to raise stripes 12 rolls of leaves yellow how to do
2019-03-03 -
Control of Rice Diseases and insect pests: what is Rice bacterial Brown Stripe?
What is bacterial brown stripe of rice? What are the hazards of rice bacterial brown stripe disease? How to prevent and cure bacterial brown stripe of rice? Please introduce the harm of rice bacterial brown stripe disease: small brown spots appear on leaves or leaf sheaths at seedling stage, and then expand into purple-brown stripes, sometimes as long as leaves.
2018-09-08 -
What's the nickname for Brazilian wood?
Brazilian wood is an evergreen tree of the genus Liliaceae, also known as Brazilian iron tree, fragrant thousand-year-old wood, happy wood, striped thousand-year-old wood. The leaves of Brazilian wood are curved and arched, bright green and shiny, and the flowers are inconspicuously small and fragrant. It is a famous new generation of indoor foliage plants.
2018-05-04 -
What is wheat rust like?
What is wheat rust like? Wheat rust is also called jaundice. There are three kinds of stripe rust, leaf rust and stem rust. It is the most widespread and most harmful disease in wheat. After wheat is infected with rust, chlorotic spots appear on the surface of wheat leaves or straw at the initial stage, followed by yellow or reddish-brown pink blisters.
2018-09-13 -
What if the striped twelve rolls of leaves turn yellow
What if the striped twelve rolls of leaves turn yellow
2018-10-26 -
Manual "four" for Orchid appreciation and practice
The culture of orchids chatted for a while, wrote three chapters, interested friends can check the previous article, there is no link here, today we can finally talk about the appreciation of orchids. Of course, orchids.
2018-09-14 -
Stripe twelve roll maintenance skills and precautions
Stripe twelve roll maintenance skills and precautions
2019-02-28 -
Culture methods and matters needing attention of foliage plant Zhu Jiao
Zhu Jiao, also known as Zhu bamboo, iron lotus grass, red iron tree, etc., is an erect shrub plant of the genus Phyllostachys in the tequila family, distributed in the tropics of southern China, used for garden cultivation, beautiful plant shape, gorgeous and elegant colors, potted plants are suitable for interior decoration, decorate guest rooms and windowsills, elegant and unique, with good ornamental
2018-09-01