2007-7-4
In recent years, Along with melon vegetable cultivated area s enlarge and output horizontal enhancement, Melon vegetable disease s take place with harm submit year by year plus heavy tendency, Serious affects melon vegetables quality with output. So, Finishes melon vegetable sowing time seed disinfect with soil dispose is ensure melon vegetable strong growth, Enhances output with qualitys important measure.
A, Seed disinfection
Sows front seed disinfection, Can kill adhere at seed superficial pathogenic bacteria, Towards enhances inseminate quality, Fosters have not illness strong sprout possess important significance. Seed disinfects s in common use means have below several kind of:
( A) law fitting is used for many kinds vegetable seeds s simple disinfection, Disinfection time will seed set free enter 55 ¡æ s lukewarm in continual churn, Volume of Water used will be seed cubage s 3 ¡« 5 times, Will keep water temperature 50 ¡« 55 ¡æ, Will be 15 ¡« 20 minute, Will bring water temperature fall to 35 ¡« 37 ¡æ time stop churn, Will continue marinate 4 ¡« 6 hour, Then proceeds vernalization disposal.
( Two) Dries caloric disinfect law this law fitting be used for tomato, Aubergine. Will seed water content fall to 7% below, Will set to 67 ¡« 73 ¡æ s in oven, Has disposed behind take out seed soaking vernalization for 3 hour, Can kill seed inside and outsides nosogenetic germ.
( Three) Hot water seed soaking law this law fitting be used for hard to bibulous seed ( Is like wax gourd, Watermelon) , Will request water temperature ¡« 75 ¡æ at 70, Quantity of water will be for seed quantity s 3 ¡« 5 times, Seed wants plenarily dryness, Scalds a kind of time want use 2 containers, Will be hot water back and forth rave about, At first several time actions wants fast, Will as water temperature fall go 55 ¡« 60 ¡æ time, Changes to continual churn, Will keep this warm 7 ¡« 9 minute effect compare good.
( Four) Medicament dispose law in common use means have medicine fluid seed soaking and medicament mix with seed two kind of.
1, Medicine fluid seed soaking is will seed soak in certain consistences medicine fluid, Will pass through 5 ¡« 30 minute behind take out, Will use rinsing rinse clean behind seed soaking, Otherwise will cause medicine trouble. Medicine fluid dosage for seed quantity s one time. In common use medicament have 1.0% s bluestone liquid, 0.1% s potassium manganate solution, 100 time 40% formaldehydes ( Formalin) Liquid. Be like prevent and cure pepper anthrax illness and bacteria sex spot, Will first use rinsing soak 4 ¡« 5 hour, Will use 1.0% bluestones liquid soak 5 ¡« 10 minute, Takes out use rinsing wash clean vernalization: Prevents and cure cucumber, Watermelon anthrax illness and wilt illness, Can first will seed use rinsing soak 2 ¡« 3 hour, Again sets free enter 40% formaldehydes 100 times liquid in marinate 30 minute take out, Uses rinsing wash clean behind vernalization: Prevents and cure tomato, Aubergine brown lines illness, Can first will seed use rinsing marinate 3 ¡« 4 hour, Then again immerges 40% formaldehydes 100 times liquid in, Seed soaking 20 minute, Will take out behind obturate 2 ¡« 3 hour, Again uses rinsing wash clean and then be OK vernalization insemination; Prevents and cure tomato, Pepper virus disease, Usablenesses seed soaking 20 minute under 10% phosphoric acids three sodium solution normal temperature, Dredges for come out behind use rinsing wash clean behind again seed soaking vernalization.
2, Medicament mix with seed towards dries seed insemination, Can adopt this law. Medicament dosage ordinary will be for seed weight s 0.1 ¡« 0.4%. In common use medicament have 50% s happiness beauty double, 70% enemy gram pine, 50% quick gram manes, 50% many germs manes, 20% first frosts good.
Two, Soil disposes law
To melon kind of, Legumen, Celery, Aubergine, Pepper wait for melon vegetable crop, Inseminates front proceed medicament dispose soil, Can prevention sudden fall illness, Stands withered illness, Wilts illness, Roots close eelworm illness wait for disease. It means following:
1, Uses 50% many germs good or 70% methyls hold in the palm cloth Chin or 50% happiness beauties pair of can wet sex medicinal powder, Medicine used quantity will be for 12 ¡« 15g/ Square meter, Will mix mix in 8 ¡« 10kg s in thin soil, Average sprinkles in seedbed or inseminate ditch, Then proper row hoe, Agains insemination field planting, Can prevent soil fax germ sex disease.
2, Each 666.7 square meter will use 20% a a gleam of phosphorus granules 3 ¡« 5kg, Or 3% metres joy Erh granule, Each 666.7 square meters will be medicine used 4 ¡« 5kg, Will mix mix thin sandy soil 30 ¡« 50kg, Average sprinkles bestow earths surface, Will plow deeply 20 ¡« 25cm, Or sprinkles bestow in inseminate ditch, Transplant to definitive place hole in, Shallow cover earth, Then insemination field planting, Can prevent vegetable root close eelworm illness.
3, Each 666.7 square meter will use 40% second phosphorus aluminums can wet sex medicinal powder 1.5 ¡« 2kg, Will mix thin soil 20 ¡« 30kg, Sprinkle bestow in transplant to definitive place hole in, Can prevent melon a kind of disease.
4, Each 666.7 square meters uses 70% enemy gram Songyuan powder 0.5kg, Will mix thin soil 20 ¡« 30kg, Sprinkle bestow in inseminate plot of in, Then row hoe, Agains insemination field planting, Can prevent melon kind of sudden fall, Stands withered illness.
5, Will use 50% first frosts good or seed dressing good can wet sex medicinal powder soil medicine used 8 ¡« 10g/ Square meter, Will mix thin soil 8 ¡« 10kg make medicine soil, Go lid under fil lup ( Medicines soil 2/3 at on, 1/3 I) , Can prevent anthrax illness, Stands withered illness, Wilts illness.
6, Soil will use sulfur powder 2 ¡« 3g/ Square meter. Will mix thin soil 5 ¡« 10kg, Will lid under fil lup on seed ( On, Will prescribe medicine soil than be 2 ¡Ã one) , Can prevent aubergine cyanosis.
7, Uses 72% agriculture uses streptomycins 500 time liquid, Or 77% can kill 200 times liquid disposal seedbed soil, Can prevent melon vegetable bacterial disease.
Author unit: Heilongjiang Province Yanshou county seed company |
