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What are the control methods for stunted seedling syndrome in greenhouse eggplants?
Symptoms: In early spring crops, eggplants often show symptoms at the seedling stage such as small leaves, dark green color, thin stems, and few roots. After transplanting, such seedlings recover slowly, grow weakly, and are prone to flower and fruit drop. Causes: The disease occurs most easily when the seedbed temperature is too low (below 15°C for a long time). When using heating facilities or nutrient pots for seedling raising, water consumption is high,...
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What kind of grass is California brome? Characteristics and traits introduction
California brome is a perennial, bunch-type forage grass with broad and long leaves that are gray-green and a high leaf-to-stem ratio. Its biggest morphological difference from smooth brome is that it has no underground rhizomes. California brome has similar soil requirements to smooth brome, and its cold resistance is slightly worse than that of smooth brome, but its heat resistance is clearly higher than that of smooth brome, and most varieties can be used for 6-8 years. California brome has a high leaf-to-stem ratio, and its forage quality is better than that of smooth brome, while its yield is similar to that of smooth brome. California brome is suitable in eastern China
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Introduction to Bromegrass and Rescuegrass Forage Varieties
Mountain brome is a bunch-type perennial forage grass with tall plants, many leaves and high yields, but it has a short lifespan (usually useful for 2-3 years). It is suited to warm, humid regions, has poor cold and heat tolerance, and is not drought tolerant. Rescuegrass is an annual or short-lived perennial forage grass with many leaves in a leafy clump, and plant height can reach 0.8-1.2 m. It has relatively good heat tolerance but is not frost tolerant, and it adapts to warm, humid subtropical winters. Its yield is similar to that of mountain brome, and it can be sown in mixtures with clover, ryegrass
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Characteristics and Cultivation Techniques of Smooth Brome
Smooth brome, also called awnless brome or awnless grass, is currently the most widely cultivated bromegrass forage in China. It is a perennial herbaceous plant with upright stems and a well-developed root system. Its notable features are: it has short rhizomes and closed leaf sheaths. This is the main characteristic that distinguishes it from many other forage grasses. Smooth brome is particularly suited to cold, dry climates and is not suited to high-temperature, high-humidity areas; its optimum growth temperature is 14-25°C. Its cold resistance is extremely strong; it can still grow normally in places where winter temperatures drop to -30°C, and under snow cover in Northeast China it can withstand low temperatures of -4
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