Morphological characteristics and Control techniques of Butterfly in ruled Rice
The straight stripe butterfly belongs to lepidoptera, butterfly family. Adult body length 17~19 mm, wing span 36~42 mm, body and wings are dark brown with golden luster, antenna stick shape. The front wing has 8 white translucent stripes, arranged in a semi-circular shape; the rear wing also has 4 white stripes, arranged in a shape. The egg is hemispherical, the tip is slightly concave, the surface has hexagonal reticulation, when the first birth is light green, before hatching is purple. The larvae are usually 5 instars. Hatching larvae head black, greyish green body, 2~3 instar head color gradually pale brown. The mature larva is 36~40 mm long, green, spindle shaped, brown or reddish brown in head, large in head, and necked in chest. Head front center has "mountain" shape grain, forechest back has 1 black brown striation. White powdery substance was found on both sides of the 4th ~ 7th abdominal segment at maturity. The pupa is fawn, the top of the head is smooth, and the center of the 5th and 6th abdominal segments has an inverted eight-shaped pattern.
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Virus-free Xushu 34
Xushu 34 was bred by Xuzhou Sweet Potato Research Center with Huabei 166 as female parent and Qunli 2 as male parent. The original line number is 81-29-34. It is a high-quality and early-maturing edible variety. Xushu 34 red orange meat with long spindle shape, good taste of cooking and raw food, has been packed in supermarkets in many places, and citizens also give it to their relatives and friends as a gift. Xushu 34 matures 20 to 30 days earlier than ordinary sweet potato varieties, can be on the market earlier, makes up for the market gap, and has high economic benefits, especially.
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Kongyu 131 japonica rice
It is owned by Rice Academy of Agricultural Reclamation Sciences of Heilongjiang Province. 1995-1996 The average yield of Hejiang 19 was 6767kg/hm2 in the annual regional trial, 1.6% higher than that of Hejiang 19, and 7684.5 kg/hm2 in the production demonstration in 1999, 8.9% higher than that of Hejiang 19. The number of fertile days is 127 days, and the accumulated temperature required for activity is 2320℃. Plant height 80cm, panicle length 14cm, 80 grains per panicle, 1000-grain weight 26.5 g, strong tillering power, high panicle rate. 199
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