-
The Growth Process of Sunflowers: Latest Detailed Guide
The growth period of a sunflower refers to the number of days from emergence to seed maturity, generally 85 to 120 days or more. The length of the growth period varies depending on the variety, sowing date and cultivation conditions. The entire growth period is divided into four growth stages: seedling stage, budding stage, flowering stage and maturity stage.
-
Sunflower Growing Techniques Tutorial: A Detailed Guide to the Latest Cultivation Methods
The sunflower is native to South America. The domesticated variety was brought from North America to Europe by the Spanish in 1510, initially for ornamental use, and at the end of the 19th century it was introduced back to North America from Russia. It is cultivated throughout China and has very high cultivation value. The seeds are often roasted and eaten as a snack,
-
A Detailed Guide to the Latest Control Methods for Corn Brown Spot
Corn brown spot is a corn disease that has occurred severely and spread rapidly in China in recent years, and in serious cases it can destroy the entire crop. It occurs in all corn-producing regions across the country, with the most severe damage in Hebei, Shandong, Henan, Anhui, Jiangsu and other provinces, mainly occurring on corn leaves
-
A Detailed Guide to the Latest Control Methods for Potato Leaf Blight
Potato leaf blight mainly damages the leaves. In most cases, the senescent leaves on the lower part of the plant are the first to become diseased during the middle and late stages of potato growth. At first, the leaves show greenish-brown necrotic spots, and sometimes the stems and vines are infected, forming irregular grayish-brown
-
A Detailed Guide to the Latest Control Methods for Corn Stalk Rot
There are many causes of stalk rot in corn production, and the most important category is fungal stalk rot. Fungal stalk and root rot is a type of disease caused by single or complex infection by various pathogens that leads to rotting of the root system and stem base, mainly caused by Pythium, Colletotrichum, and Fusarium
-
A Detailed Guide to the Latest Control Methods for Cotton Aphids
The cotton aphid is one of the major insect pests of cotton. Five species of aphids have been discovered: the cotton aphid, the cotton long-tube aphid, the alfalfa aphid, the hog plum aphid and the bean root aphid, among which the cotton aphid is the main one harming cotton and is one of the important pests of cotton in China, causing the most severe damage in the cotton regions of the Yellow River basin and the Liao River basin.
-
A Detailed Guide to the Latest Application Methods of Cornfield Herbicides
Application methods for cornfield herbicides. The main weeds in cornfields include crabgrass, redroot pigweed, yellow foxtail, chloris, lovegrass, black nightshade, barnyardgrass, amaranth, small chenopodium, glaucous goosefoot, purslane, livid amaranth, Russian thistle, summer cypress, thorny amaranth, green foxtail, panicled amaranth
-
A Detailed Guide to the Latest Control Techniques and Methods for Corn Head Smut
Corn head smut, also known as ustilago and mute corn, occurs commonly in North China, Northeast China, Central China, Southwest China, South China and Northwest China. Since the disease was first reported in Northeast China in 1919, it has spread rapidly and occurs to varying degrees every year. In China,
-
Latest Corn Pest and Disease Prevention and Control Techniques: A Step-by-Step Guide
During the production process, corn is often harmed by various pests and diseases, causing severe yield reductions. For example, in years when northern corn leaf blight is epidemic, yields can be reduced by 15-30% due to the disease, and severely affected fields can lose more than 50%; damage from the Asian corn borer typically reduces corn yields by about 10%, and in severe years by about 30%.
-
Latest Guide to Common Rice Disease Prevention and Control Techniques
1. Rice blast. Rice blast, also known as rice fever, can be divided according to the damage period and plant part into seedling blast, leaf blast, neck blast, branch blast, grain blast, and so on. Seedling blast: the base is grayish black, the upper part turns brown, curls and dies; when humidity is high, the diseased part produces a large amount of grayish black mold.
条件筛选