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Rice blast affects rice quality how to control rice blast
Rice blast affects rice quality how to control rice blast
2018-07-14 -
How to control rice panicle blast? When is the best time to apply? How to judge?
According to the recent field monitoring results of rice blast rural monitoring networks in Heilongjiang Province, combined with comprehensive analysis of rice planting varieties, resistance, field growth, cultivation management and meteorological conditions, it is predicted that there is a risk of recurrence of rice panicle blast in Heilongjiang Province this year. that
2020-11-09 water rice panicle neck blast how control best application time yes -
What kind of pesticide does ginger blast hit?
The epidemic period of ginger blast is long, and it usually begins to occur in June, and it is serious in the high temperature season from 8mi to September, so what medicine is used for ginger blast? Ginger blast was hit with Bordeaux solution, Shigao water dispersible granule solution, Longke bacteria (thiobacillus copper) suspension solution. Or Qingku Rick + chlorobromoisocyanuria.
2020-11-08 Ginger blast ginger blast fight what pesticides -
Infection with ginger blast is difficult to cure. How to control ginger blast?
Infection with ginger blast is difficult to cure. How to control ginger blast?
2018-07-14 -
Rice disease
1. Rice blast (1) damage characteristics: Rice blast, also known as rice fever, commonly known as fire blast, hanging head blast, neck-choking blast and so on, is one of the most popular and harmful fungal diseases in the world, which mainly harms the aboveground part of the host plant. Due to the different damage period and position, it can be divided into seedling blast, leaf blast, ear neck blast, branch blast, grain blast and so on. The host range is many kinds of Gramineae plants, such as rice, wheat, horse tang and so on. Magnaporthe grisea overwintered mainly on diseased rice straw and was infected in rice field in the second year. The spread of bacteria mainly depends on the wind.
2019-01-16 -
How to control rice panicle neck blast caused by white panicle or deflated grain
How to control rice panicle neck blast caused by white panicle or deflated grain
2018-07-14 -
The latest course of techniques and methods for Prevention and Control of Rice blast in Rice planting
Rice blast is mainly divided into leaf blast and panicle and neck blast, is one of the important rice diseases, can cause a substantial reduction in yield, serious yield reduction of 40% to 50%, or even no grain harvest. 20% tricyclazole wettable powder 100 g / m mu or 75% tricyclazole wettable powder for prevention and control of leaf rice blast
2020-11-10 The latest rice planting rice blast control technology methods tutorials -
Common Rice Diseases and their Control
In the whole growth period of rice, the common diseases are rice blast, bacterial leaf spot, bacterial blight, sheath blight, rice false smut and so on. The main results are as follows: (1) Rice blast can occur from seedling to heading. According to the symptoms of the disease in different growth stages and different parts, rice blast can be divided into seedling rice blast, leaf rice blast, node rice blast, panicle rice blast and grain rice blast. 1. The main symptoms (1) seedling rice blast: the diseased seedlings turn gray-black at the base of the stem near the soil surface, and the upper part is reddish brown, which makes the whole seedling curl and die. (2) Leaf rice blast:
2019-01-16 -
Occurrence and control of rice blast and rice planthopper
First, the occurrence of rice blast: Rice leaf blast has appeared in Helan, Qingtongxia and other places. The initial period is June 13, about 10 days earlier than last year. Especially after the rainfall on July 7 and 12, the humidity in the field is relatively high, which is very beneficial to the development of leaf blast. The average rate of disease fields in the recent general survey of Qingtongxia is 16.7%.
2018-09-13 -
What is rice leaf blast? How to prevent and cure it?
The blast that occurs on rice leaves is called leaf blast. The control of rice leaf blast should run through the whole growth period of rice, because leaf blast can occur in the whole growth period, and the damage is more serious from tillering to jointing stage, and the epidemic of leaf blast directly affects the normal growth of rice.
2020-11-09 Rice leaf blast what is it should how control blast disease -
What is the cause of ginger blast? How to prevent and cure ginger blast?
What is the cause of ginger blast? How to prevent and cure ginger blast? Also ask the netizens who know to help introduce that ginger blast mainly harms the rhizome, mostly at the base of the stem near the ground and the upper half of the underground rhizome. At the beginning of the disease, it was watery, yellowish brown, lost luster, softened and rotted. Leave only the outer skin. Rot.
2018-07-17 -
Occurrence and Control of main Rice Diseases and pests in Gejiu City
1. Rice planthopper 1. damage characteristics: Rice planthopper, also known as white mosquito, is a migratory pest with the characteristics of long-distance migration and outbreak. The common ones are gray planthopper and white-backed planthopper. It occurs in the rice area of the city, mainly harming rice, followed by wheat and corn, but also parasitic on grass and other Gramineae weeds. The adults and nymphs clustered to suck the sap on the base and leaves of the rice clump, and the injured part showed a long brown spot. In severe cases, the lower stem blackened and the whole plant withered. 2. Living habits: there are 4 generations in a year, from the end of April to the beginning of May.
2019-01-16 -
Banana blast caused by common diseases of canna
Canna, the new favorite of green belt, is easy to catch banana blast in the case of improper conservation and management. it is not a big problem to find early treatment. If you delay the disease and give up treatment, it will not only affect the landscape value, but also consume a sum of money. So what should the canna do when it is infected with banana blast?
2018-07-01 -
Judgement and Prevention of Ginger blast in Shajiang
Judgement and Prevention of Ginger blast in Shajiang
2018-06-29 -
Control techniques of "two Diseases and three pests" in Rice
Rice two diseases and three insects refer to rice blast, sheath blight, rice stem borer, rice planthopper and rice red spot black foam cicada, which do great harm to rice and should be prevented and controlled. Rice blast is caused by long-term irrigation of deep water or excessive drought and partial application of nitrogen fertilizer. There are three susceptible stages in rice life, namely, seedling stage, heading stage and heading stage. Panicle neck blast has the greatest effect on rice yield, which should be prevented as early as possible at break stage and full heading stage. Rice blast is divided into seedling blast, leaf blast, node blast, panicle blast and grain blast. Rice blast
2019-01-16 -
What is rice leaf blast? How to prevent and cure?
What is rice leaf blast? How to prevent and cure? Rice leaf blast is a common disease, farmers should pay attention to careful identification. The disease occurs on the leaves of seedlings or adult plants after the three-leaf stage, generally from tillering to jointing stage, and the disease spots on the leaves are often due to weather and quality.
2020-11-08 Rice leaf blast what is how control rice -
Prevention and control techniques of rice blast in rice planting
Prevention and control techniques of rice blast in rice planting
2018-07-01 -
Classification standard and control method of rice blast
Grading standard leaf plague: 1 sporadic occurrence, careful investigation can see the disease 2 slightly more, the disease leaves concentrated in the lower 3 widespread, the disease leaves concentrated in the middle and lower 4 more serious, the disease leaves concentrated in the middle and upper, a small amount of pond 5 serious, there are obvious pond...
2018-09-13 -
The media said that the failure of yield reduction was not due to the epidemic of rice blast in super rice.
[special articles on Finance and Economics] the failure to reduce the yield of super rice does not lie in the loss of yield and harvest of ten thousand mu of super rice in Anhui Province half a year ago, which has aroused the strong concern of public opinion on super rice. However, according to a reporter from Caijing, the local epidemic of rice blast was seduced in this incident.
2016-03-20 The media said reduced production no harvest wrong not in super rice rice blast [ -
How does grain crop rice get white ear disease to do? When will it happen? How did it happen? How to prevent it? What kind of medicine can be cured?
Rice white panicle disease is a common disease after heading, which occurs in all planting areas, and this disease will seriously affect the yield and reduce the benefit, so during the planting period, we must strengthen the management technology, then what to do if rice gets white panicle disease? When will it happen?
2020-11-09 Food crops rice get white ear disease what to do what?