S3307 was the better inhibitor for 7-day-old seedlings in light. Inhibition ratio on the incomplete leaf, the 1st leaf sheath and blade and height of B1-24 (Hyz) is 21.58% (11.45%), 22.73% (12.73%), 11.05% (6.37%) and 15.28 % (10.34), respectively.
The leafloose degree of Wuyungeng 8 was large, and the sum of loose degree in top 3leaves was about 6.0 and the leaf area per leaf sheath weight was 0.27 to 0.34cm2/mg.
The leaf loose degree of Wuyunjing 8 was large, and the sum of loose degree in top 3 leaves was about 6.0 and the leaf area per leaf sheath weight was 0.27 to 0.34 cm 2/mg.
The leaf angle and loose degree of Shanyou 63 were smaller, and the sum of loose degree in top 3 leaves was 7.7 and the leaf area per leaf sheath weight was 0.36 to 0.38 cm 2/mg.
Meiosis starts when the ear sprout out about 2/5 from flag leaf sheath in the pollen mother cells(PMCs), Setaria italica Beauv. at this time the PMCs formation was observed in the spikelet flowers of the upper-middle ear.
In the tillering stage, the mutant of shp6 is similar to the wild type of Zhonghua11. But in the heading stage, the neck-panicle node doesn’t elongate, and the panicle is sheathed by flag leaf sheath.
There were also obvious differences in Cry1Ab protein content in the leaf, the leaf sheath and the stem fragment at different positions. The Cry1Ab protein content in middle leaves was higher than that in top and base leaves, and higher Cry1Ab protein content was found in the middle leaf sheathes followed by the base and top leaf sheathes. However, the highest in the stem fragment was detected in the base.
When the first leaf sheath of rice seedling Was treat- ed with solution of GA_3+PP333,or treated with PP333 after GA_3 treatment, or treated with GA_3after PP333 treatment,the results showed that the roles of GA_3 and PP333 were antagonized each other and PP333 inhibited GA_3 synthesis.
The result showed that leaf base and leaf sheath protoplasts of 11-days old seedlings, suspension cells of Taipei 309 as feeder layer, with protoplasts cultured on filter membrane top on feeder using N6 midsolidified medium supplement- ed with 1.5 mg. L-1 2,4-D, 0.2mg. L-1 Zeatin, 500 mg.
Nonetheless, mass-loss rates during decomposition of the leaf and leaf sheath litters of both the species showed positive correlations with incubation period (the time after burying the samples in the soil).
In recent years,a new disease of the foxtail millet (Setaria italica (L.) Beauv.)has been reported to occur in epiphytotic scale in most of the millet growning areasof North China.On account of the brilliant red pigmentation of the infected plant,the disease is generally referred to by the farmers as the red-leaf disease.However,the symptoms on the millet plants varied with different varieties.In general,thecharacteristic symptom exhibited on the "purple-stem" varieties was the the redden-ing of the #...
The Delphacodes striatella F., is widely distributed in Soochow, Wusih, Changchowof the Taihu Lake rice region in Kiangsu. It is one of the worst pests of our rice crop.The crops from the double cropping early rice and single cropping middle rice are injuredeven more severely. By our observations, the host plant of this small brown planthopper is changedseasonally. The most common hosts are rice in summer or autumn and wheat, Alope-curus aequalis Sobol. in spring or winter. Supplementary hosts include barle...
1.A relatively developed air-passage system is formed in the coronal roots and leaf sheath of sorghums at boot stage;the coronae roots farther away from soil surface contain larger air cavities.Among the sorghum varieties there is marked difference on level of development of the air-passage system,and furthermore it is in accord with morphological expression of the resistance to inundation,i.e.,the varieties with more developed air-passage system show greater ability of resistance and have a bet...
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